Iran’s airspace restrictions stem primarily from the ongoing 2026 conflict involving US-Israeli strikes on Iranian military targets that began February 28, followed by Iranian retaliatory missile and drone attacks. Tehran FIR (OIIX) faced near-total closure during peak hostilities, with partial east-side reopening above FL285 after April 21 under recovery procedures while western sectors stayed heavily restricted due to degraded radar, air defenses, and elevated alert status. Fresh escalations in early June 2026, including Iranian ballistic missile launches toward Israel after IDF actions in Lebanon, prompted new NOTAMs suspending civil overflights and closing western airspace until further notice. Airlines continue rerouting, and regional FIRs remain subject to EASA and national advisories citing risks of misidentification or renewed strikes. Trader focus centers on whether de-escalation allows broader reopening before scheduled deadlines or if further exchanges extend full closures.
基於Polymarket數據的AI實驗性摘要。這不是交易建議，也不影響該市場的結算方式。 · 更新於Iran suspends all flights at Mehrabad and Mashhad airports until further notice
June 8 jumps to 100%7%
Following the closure of western airspace, Iran suspended all flights at Tehran's Mehrabad International Airport and Mashhad International Airport until further notice, further confirming the major airspace closure affecting multiple key airports.
Iran suspends all incoming flights at Tehran’s Imam Khomeini International Airport
June 8 jumps to 100%7%
On June 8, Iran’s Civil Aviation Organization enacted an unprecedented halt on all incoming flights at Tehran’s main international airport following missile strikes on Israel. This suspension was part of a major airspace closure affecting multiple key airports, confirming the market’s resolution criteria and pushing prices to 100%.
Tehran's Imam Khomeini International Airport Halts All Incoming Flights
June 8 rises to 100%1%
Following Israeli retaliatory strikes on Tehran, civil aviation authorities enacted an unprecedented halt on all incoming flights at Iran's main international gateway. This confirmed a major airspace closure, resolving the market to Yes.
Iran lifts flight restrictions and resumes aviation activities after military operations end
On June 8, 2026, after the cessation of military operations and following safety assessments and coordination with relevant authorities, Iran's Civil Aviation Organization announced that flight restrictions were lifted and aviation activities were gradually returning to normal operations.
Tehran Khomeini International Airport suspends all incoming flights after Iranian missile strikes on Israel
June 8 jumps to 100%6%
Following the missile strikes on Israel, Tehran's main international airport halted all incoming flights, further confirming a major airspace closure affecting multiple key airports. This unprecedented halt contributed to the market reaching 100% certainty of closure by the June 8 resolution date.
Iran closes airspace around Tehran’s Imam Khomeini International Airport after Israeli strikes
June 8 surges to 100%90%
On June 8, 2026, Iran's Civil Aviation Organization announced the indefinite closure of the western part of the country's airspace including Tehran’s main international airport following Israeli strikes and Iranian missile attacks on Israel. This closure met the market's criteria for a major airspace shutdown affecting multiple key airports.
Iran orders immediate and complete closure of airspace following missile strikes on Israel
June 8 surges to 93%91%
Following a massive Iranian ballistic missile strike on Israel on June 7, Iran ordered an immediate and complete closure of its airspace, including the western sector and around Tehran’s Imam Khomeini International Airport. This broad closure affected multiple key airports and disrupted international flight corridors, fulfilling the criteria for a major closure and driving market prices to 100%.
Iran and Iraq order immediate closure of their airspaces following missile strikes on Israel
June 8 surges to 100%98%
Following a massive Iranian ballistic missile strike targeted at Israel, Iran and Iraq ordered the immediate and complete closure of their respective airspaces. This major closure disrupted international flight corridors and forced airlines to reroute, sharply increasing market odds for a major closure by June 8 and beyond.
Iran Closes Western Airspace Indefinitely After Launching Missiles at Israel
June 8 surges to 99%96%
Iran ordered the immediate closure of its western airspace after launching a massive ballistic missile strike against Israel. This major escalation triggered simultaneous airspace closures across the region and sent market odds soaring to near 100%.
Iran closes western airspace until further notice amid rising tensions
June 8 surges to 100%91%
Iran's Civil Aviation Organization announced the closure of the western section of the country's airspace until further notice, following missile strikes and heightened regional tensions. This closure affected major airports and was a significant escalation, leading to a sharp increase in market prices to near certainty of a major closure.
Iran announces indefinite closure of western airspace amid missile strikes on Israel
June 8 surges to 94%84%
Iran's Civil Aviation Organization declared the western part of the country's airspace closed indefinitely following missile attacks on Israel, suspending flights at major airports including Tehran's Mehrabad and Mashhad International Airports. This broad closure met the market's criteria for a major airspace shutdown, causing a sharp rise in market prices.
Iran and Iraq close airspace following missile strikes on Israel
June 8 surges to 99%97%
Following a massive Iranian ballistic missile strike on Israel, Iran and Iraq ordered immediate and complete closure of their respective airspaces, disrupting international flight corridors and forcing airlines to reroute. This broad closure affected major Iranian airports and was a critical escalation.
Iran closes western airspace after missile attacks on Israel
June 15 surges to 100%91%
Following missile strikes against Israel, Iran closed the western part of its airspace citing safety and security concerns. This partial but major closure was confirmed by Iranian aviation officials and reported by multiple news agencies, reinforcing market expectations of a major airspace closure.
Iran closes western airspace after missile strikes on Israel
June 8 surges to 94%91%
Following missile attacks on Israel, Iran closed its western airspace on June 6, 2026, citing safety and security concerns. This closure was broader than previous partial closures and signaled escalating conflict, pushing market prices sharply higher for closure by June 8 and beyond.
Iran maintains major airspace restrictions but no broad closure amid ongoing regional tensions
June 15 dips to 10%4%
Despite ongoing military tensions and previous partial closures, Iran continued to operate under significant airspace restrictions, especially in western Tehran FIR, but did not initiate a major closure affecting multiple key airports. This sustained partial restrictions without escalation contributed to low market prices for a full closure by early June dates.
Iranian Missile Attack Strikes Kuwait International Airport Terminal
June 22 drops to 19%11%
An Iranian missile attack struck Kuwait International Airport's Passenger Terminal 1, forcing a temporary suspension of flights in Kuwait. While this heightened regional tensions, it did not lead to a major closure of Iranian airspace, causing market odds to continue their downward trend.
Iranian drone attack damages Kuwait International Airport terminal, killing one
June 8 drops to 3%5%
Iranian drones struck Terminal 1 at Kuwait International Airport, causing severe damage, killing one person (an Indian national), and injuring dozens. The attack forced a temporary suspension of flights and closure of the airfield. Iran denied targeting the airport, attributing damage to a malfunctioning US missile interceptor. This incident heightened regional tensions but did not lead to a major closure of Iranian airspace.
Iran missile attack on Kuwait airport forces temporary flight suspension
June 15 drops to 14%6%
An Iranian missile attack struck Kuwait International Airport's Passenger Terminal 1 on June 3, 2026, forcing a temporary suspension of flights. The limited nature and short duration of the closure led to a decline in market odds for a major closure by June 15 and June 30.
Iranian missile strikes damage Kuwait International Airport terminal
June 15 dips to 10%4%
On June 3, 2026, an Iranian missile attack struck Kuwait International Airport's Passenger Terminal 1, forcing a temporary suspension of flights. Operations resumed from an alternate terminal within hours. This incident heightened regional tensions but did not lead to a major closure of Iranian airspace.
Middle East airspace remains restricted amid ongoing military tensions and ceasefire
July 31 drops to 35%6%
Despite a fragile ceasefire holding since April, military activity and airspace restrictions continue in Iran and neighboring regions. Iran has restarted some international flights from Tehran and expanded access in the eastern part of its FIR, but significant restrictions remain, limiting the likelihood of a broad major closure.
Iran resumes some international flights in eastern airspace amid ongoing restrictions
June 30 rises to 22%2%
Iran restarted some international flights from Tehran and expanded access in the eastern part of its Flight Information Region, while western airspace remained restricted. This partial normalization further decreased market expectations of a major nationwide airspace closure by June 30 and later dates.
Ceasefire holds between US and Iran, easing airspace closure fears
June 30 plunges to 19%16%
A temporary ceasefire between the United States and Iran, announced in April and extended in late April, remained in effect through late May and early June, reducing the likelihood of major Iranian airspace closures. This contributed to continued declines in market prices for closure by June and July dates.
Iran reportedly closes entire airspace without official NOTAM amid peace talks uncertainty
Reports emerged that Iran closed its entire airspace without issuing an official Notice to Airmen (NOTAM), raising concerns about renewed conflict despite ongoing US-Iran peace talks. However, no official confirmation or broad closure meeting the market's criteria was confirmed, contributing to the market's decline to near zero by May 31.
Ceasefire holds between US and Iran, easing airspace closure fears
June 15 drops to 15%14%
A temporary ceasefire between the United States and Iran, announced in early April and extended through late April, continued to hold into late May and early June, reducing the likelihood of a major Iranian airspace closure. This diplomatic development contributed to the market's decline in probability for a closure by mid and late June.
Ceasefire holds between US and Iran, easing airspace closure fears
June 30 dips to 21%4%
A temporary ceasefire between the US and Iran, announced in early April and extended through late April, continued to hold, allowing partial reopening of Iranian airspace and reducing the likelihood of a major closure. This diplomatic development contributed to the market's declining probability of a broad airspace shutdown.
U.S. to block Iranian airlines’ landing spots, refueling and ticket sales
Bessent announced U.S. measures to shut down Iranian airlines’ landing and refueling rights. Though not a direct airspace closure, the announcement added uncertainty, contributing to the final drop of “Yes” odds to the market’s lowest level.
US Treasury announces shutdown of Iranian airlines' access to landing spots, refueling, and ticket sales
June 30 drops to 19%7%
On May 28, US Treasury Secretary Scott Bessent announced measures to increase economic pressure on Iran by shutting down Iranian airlines' access to landing spots, refueling, and ticket sales. This heightened tensions but did not correspond with any new Iranian airspace closure, contributing to market price declines for near-term closure outcomes.
Iran extends western airspace closure until May 25 amid ongoing tensions
June 30 drops to 28%5%
Iran maintained the closure of its western airspace until May 25, with only eight airports operational under daylight-only restrictions. This extension was amid continued diplomatic efforts and military tensions, impacting commercial flight schedules and regional air traffic significantly.
Iran reopens western airspace after temporary closure
June 30 plunges to 24%18%
Following the expiration of the temporary closure on May 25, Iran reopened its western airspace, resuming limited operations at affected airports. This reopening reduced market expectations for a broader or extended airspace closure by Iran.
Iran extends western airspace closure until May 25 amid stalled diplomacy
May 31 plunges to 16%15%
Iran maintained the closure of its western airspace until May 25, 2026, as diplomatic efforts with the US stalled and military tensions remained high, but no broader airspace closure was announced.
Iran's western airspace closure ends, flights resume with restrictions
May 31 dips to 8%3%
The temporary closure of western Iranian airspace ended on May 25, with flights resuming under daylight-only restrictions and requiring Civil Aviation Authority approval. The limited nature and short duration of the closure led to a decline in market odds for a major closure by the end of May.
Market prices fall sharply as Iran's western airspace closure ends
May 31 plunges to 4%24%
Following the expiration of the temporary western airspace closure on May 25, market prices for a closure by May 31 and June 15 dropped significantly, reflecting the limited duration and regional scope of the closure and the absence of a broader nationwide shutdown.
Iran western airspace closure ends, flights resume with restrictions
May 31 plunges to 7%19%
The temporary closure of western Iranian airspace ended on May 25, with flights resuming under daylight-only restrictions and requiring fresh approvals. This limited closure did not meet the criteria for a full major closure affecting the entire country or multiple major airports, leading to a sharp decline in market odds.
Iran ends temporary western airspace closure, flights resume with restrictions
June 15 plunges to 9%42%
The temporary closure of western Iranian airspace ended on May 25, with flights resuming under daylight-only restrictions and requiring Civil Aviation Authority approval. The limited nature and short duration of the closure led to a decline in market odds for a major closure by June 15 and June 30.
Diplomatic efforts continue amid airspace restrictions
May 31 plunges to 8%15%
As Iran maintained its western airspace closure and flight restrictions, diplomatic efforts intensified with mediators visiting Tehran to prevent escalation, signaling a potential de-escalation and reducing likelihood of broader airspace closure.
Iran restricts operations to eight airports with daylight-only flights
May 31 plunges to 28%72%
Iran imposed strict restrictions on air traffic nationwide, allowing operations only at eight major airports with daylight-only flights and requiring fresh flight approvals. This partial but broad restriction contributed to market uncertainty and a sharp price drop as it did not meet the criteria for a full major closure.
Iran confirms western airspace closure with strict flight restrictions
June 30 jumps to 50%13%
Iran officially confirmed the closure of western airspace, allowing operations only at eight major airports under daylight-only rules and requiring fresh flight approvals. This reinforced market expectations temporarily but was limited to a regional closure, not a full national shutdown.
Tehran reiterates western airspace shutdown, daylight‑only rules for eight airports
May 27 surges to 64%18%
A follow‑up statement confirmed the closure would stay in effect through May 25 and detailed the daylight‑only operation at the eight remaining airports, reinforcing market expectations of a qualifying major closure.
Ahvaz and Mahshahr airports reopen as Iran eases some regional restrictions
June 30 jumps to 30%5%
A CGTN report noted the reopening of Ahvaz and Mahshahr airports, signalling partial easing but not affecting the western FIR closure, marginally tempering market optimism.
Iran confirms major airspace closure affecting multiple airports
May 24 surges to 99%90%
By May 23, reports confirmed that Iran initiated a major closure of its airspace affecting commercial flights across multiple key airports, meeting the market's criteria for a broad suspension not due to weather. This confirmation caused the market prices for all resolution dates to jump to near 100%.
Iran closes western airspace amid US military strike fears
May 27 surges to 99%68%
On May 23, 2026, Iran's Civil Aviation Organization announced a temporary closure of airspace over western Iran, suspending civil flight permits in that sector amid reports of possible US military strikes. This major regional closure affected multiple airports and heightened market expectations of a broader airspace shutdown.
Iran confirms major closure of western airspace amid rising US tensions
May 31 surges to 99%73%
On May 23, Iran's Civil Aviation Organization officially announced the temporary closure of airspace over western Iran, confirming suspension of civil flight permits in that sector. This confirmation caused market prices to surge to near 100% as traders priced in a potential full shutdown.
Tehran imposes strict restrictions on western airspace, only 8 airports operational
June 30 plunges to 31%68%
Iran's Civil Aviation Organization issued a NOTAM closing most airports in western Tehran airspace, allowing operations only at eight major airports under daylight-only rules. This reflected heightened military alert and security concerns amid reports of US strike preparations, sustaining market uncertainty and elevated prices.
Iran extends western airspace closure with strict flight restrictions
May 31 plunges to 6%32%
Iran's Civil Aviation Organization confirmed the temporary closure of western airspace with only eight airports operational under daylight-only restrictions. All previous flight permissions were revoked, requiring airlines to obtain fresh approvals, reflecting heightened military alert amid fears of US strikes. This sustained closure disrupted regional and international flights, impacting market sentiment.
Iran confirms western airspace closure with strict flight restrictions
May 31 surges to 100%54%
Iran's Civil Aviation Organization officially confirmed the closure of western airspace, restricting operations to eight major airports under daylight-only rules and requiring fresh flight approvals. This reinforced market expectations of a major closure, briefly pushing odds to near 100%.
Iran imposes strict restrictions, only 8 airports operational nationwide
May 31 plunges to 31%23%
Iran's Civil Aviation Organization announced strict air traffic restrictions nationwide, with only eight major airports operational under daylight-only conditions, reflecting heightened military alert amid US tensions.
Iran imposes strict restrictions, keeps only 8 airports operational in western airspace
May 31 plunges to 38%60%
Following the May 22 announcement, Iran's Civil Aviation Organization confirmed cancellation of all commercial and civilian passenger flight permits in western Tehran Flight Information Region, allowing operations only at eight major airports under daylight-only restrictions. This reinforced the partial nature of the closure and limited its impact on the market's major closure criteria.
Iran officially announces temporary closure of western airspace
May 31 surges to 100%56%
Iran's Civil Aviation Organization confirmed the temporary closure of airspace over western Iran, suspending civil flight permits at airports in the western sector and restricting operations to daylight hours at eight major airports. This official announcement briefly pushed market odds near 100% for a major closure.
Iran reopens some western airports but maintains daylight-only flight restrictions
May 31 drops to 1%12%
On May 23, Iran's Civil Aviation Organization announced the reopening of Ahvaz and Mahshahr airports but maintained strict restrictions, including daylight-only operations and required flight approvals. This partial easing did not constitute a major closure, leading to a decline in market odds for a broad airspace shutdown by May 31 and June 15.
Iran's Civil Aviation Organization confirms temporary closure of western airspace amid US strike fears
June 30 surges to 99%53%
On May 23, Iran officially confirmed the temporary closure of its western airspace, suspending civil flight permits in that sector due to intelligence of possible US military strikes. This announcement reinforced the regional closure but did not extend to a broad national airspace shutdown, impacting market prices positively but not enough to indicate a major closure.
Pakistan's army chief visits Tehran amid US-Iran tensions and airspace closure
June 30 dips to 26%2%
Pakistan's army chief arrived in Tehran to mediate between the US and Iran as the latter maintained its western airspace closure. This diplomatic effort occurred alongside the ongoing airspace restrictions and military tensions.
Iran closes western airspace amid military tensions
June 30 plunges to 19%57%
Iran's Civil Aviation Organization announced a temporary complete closure of western airspace, affecting multiple airports and triggering significant market price movement.
Iran imposes strict restrictions on western airspace amid military tensions
June 15 plunges to 16%45%
Iran's Civil Aviation Organization confirmed the closure and strict restrictions on air traffic in western Iran due to escalating military tensions and intelligence of possible US strikes. This reinforced the temporary nature of the closure and limited the likelihood of a broader airspace shutdown, influencing market prices downward.
Iran imposes strict restrictions on western airspace amid military alert
June 30 drops to 33%6%
Iran’s Civil Aviation Organization issued an urgent statement confirming the complete closure of airspace over western regions due to heightened military alert and security concerns, reflecting intelligence of US military preparations for new strikes. This measure further restricted commercial flights and reinforced the temporary closure announced earlier.
Iran denies issuing navigational warning for western airspace closure
June 30 dips to 22%1%
Following reports of the western airspace closure, Iran's Civil Aviation Authority denied issuing any navigational warning regarding the closure, indicating some ambiguity or official denial about the extent of the closure despite operational restrictions.
Iran temporarily closes western airspace amid rising US tensions
June 30 plunges to 19%57%
Iran's Civil Aviation Organization announced a temporary closure of airspace over western Iran from May 22 to May 25, suspending civil flight permits and restricting operations to daylight hours at eight major airports. This partial closure heightened market expectations briefly but did not qualify as a major closure affecting multiple key airports broadly.
Iran temporarily closes western airspace amid US strike fears
June 15 surges to 99%48%
Iran's Civil Aviation Organization announced a temporary closure of airspace over western Iran from May 22 to May 25, suspending civil flight permits in that sector amid reports of possible US military strikes. This closure affected multiple airports and raised market expectations of a broader airspace shutdown, causing a surge in market prices.
Iran confirms major closure of western airspace affecting multiple airports
June 15 jumps to 61%10%
On May 23, Iran's Civil Aviation Organization officially announced the temporary and complete closure of airspace over western Iran, suspending all civil flight permits in that sector. This broad closure met the market's criteria for a major suspension not due to weather, causing market prices to jump near 100%.
Iran announces temporary closure of western airspace amid US strike preparations
June 15 surges to 99%38%
Iran's Civil Aviation Organization confirmed the suspension of civil flight permits in western Tehran Flight Information Region, affecting multiple airports and causing flight rerouting. This official announcement amid US strike preparations further solidified market confidence in a major airspace closure.
Iran Closes Western Airspace Amid Fears of US Military Strikes
June 8 surges to 93%85%
Iran's Civil Aviation Organization announced a temporary closure of airspace over western Iran, suspending civil flight permits in that sector. This major regional closure affected multiple airports and caused market prices for all resolution dates to surge to near 100%.
Iran issues NOTAM closing most airports in western Tehran FIR until May 25
May 24 drops to 14%12%
Iran's Civil Aviation Authority issued a NOTAM closing all airports in the western part of the Tehran Flight Information Region from May 22 to May 25, allowing operations only during daylight hours at eight specific airports. This partial closure raised concerns about a major airspace shutdown but did not fully meet the market's criteria for a broad closure affecting multiple key airports across Iran.
Iran temporarily closes western airspace amid US strike fears
May 31 surges to 98%60%
Iran's Civil Aviation Organization announced a temporary closure of airspace over western Iran from May 22 to May 25, suspending all civil flight permits in that region amid reports of possible US military strikes and stalled diplomatic talks. This partial closure affected several airports but did not meet the market's criteria for a major closure, causing a spike and then a decline in market prices.
Iran issues NOTAM closing western Tehran airspace until May 25 amid military tensions
July 15 surges to 58%33%
Iran's Civil Aviation Authority issued a NOTAM closing all airports in the western part of the Tehran Flight Information Region from May 22 to May 25, suspending civil flight permits and restricting operations to daylight hours at eight major airports. This partial closure raised market expectations for a major closure, causing a surge in prices for the May 31 and July 15 outcomes.
Iran closes all airports in western Tehran airspace with few exceptions
May 31 surges to 54%17%
Social media and official notices reported Iran closed nearly all airports in western Tehran airspace except limited daylight operations, fueling fears of an imminent US attack and increasing market volatility.
Iran temporarily closes western airspace amid rising US tensions
June 30 plunges to 47%29%
Iran's Civil Aviation Organization issued a NOTAM closing the western Tehran airspace from May 22 to May 25, 2026, limiting operations to daylight hours and causing airlines to reroute flights. This closure was regional and temporary, not qualifying as a major closure affecting multiple key airports, which led to a decrease in market probability for a major airspace closure.
Iran temporarily closes western Tehran airspace amid rising US strike fears
June 15 jumps to 46%7%
Iran's Civil Aviation Organization issued a NOTAM closing the western part of Tehran's Flight Information Region from May 22 to May 25, suspending civil flight permits and restricting operations to daylight hours. This partial closure raised market expectations for a broader airspace shutdown, causing a price surge before declining as the closure ended without escalation.
Iran's Civil Aviation Authority issues NOTAM closing western Tehran airspace until May 25
June 30 plunges to 47%29%
Iran's Civil Aviation Organization announced a temporary closure of airspace over western Iran, suspending all civil flight permits in the western sector of the Tehran Flight Information Region amid rising US-Iran tensions. Flights were restricted to daylight hours at eight major airports, causing airlines to reroute flights and raising concerns about potential military escalation.
Iran issues NOTAM closing most airports in western Tehran FIR until May 25
June 30 surges to 71%39%
Iran's Civil Aviation Organization announced a temporary closure of airspace over western Iran from May 22 to May 25, suspending civil flight permits in that sector amid fears of US military strikes. This closure affected multiple airports in the western Tehran Flight Information Region, causing airlines to reroute flights and operate under daylight-only restrictions, raising market expectations of a broader closure.
Iran Restricts Civil Flights at Western Tehran-Area Airports to Daylight Hours
June 15 surges to 99%62%
Iranian air traffic authorities suspended previous clearances for civil passenger flights in the western Tehran FIR, restricting operations to daylight hours at only eight permitted airports.
Iran closes western airspace from May 22 to May 25 amid US strike fears
June 30 surges to 99%42%
Iran's Civil Aviation Authority issued a NOTAM closing all airports in the western part of the Tehran Flight Information Region from May 22 to May 25, suspending civil flight permits amid reports of possible US military strikes. This closure affected multiple major airports and restricted operations to daylight hours with fresh flight approvals, significantly escalating airspace restrictions and briefly pushing market odds near 100%.
Commercial flights resume at Tehran's Imam Khomeini International Airport
Commercial flights resumed at Tehran's Imam Khomeini International Airport after a period of closure, indicating a partial reopening of Iranian airspace. This partial reopening does not constitute a broad closure, so it does not qualify as a 'Yes' event under market criteria.
Iran shuts western airspace, all civil flight permits suspended until May 25
May 27 surges to 57%26%
The Iranian Civil Aviation Organization issued NOTAM OIIX‑A1010/26 closing the western Tehran FIR to all civil flights, allowing only eight airports to operate on daylight‑only basis. This broad suspension of commercial flights covering Mehrabad and Imam Khomeini airports triggered a sharp jump in the market’s “Yes” probability.
Iran closes western airspace, only 8 airports operational; Rubio hints at breakthrough
May 27 surges to 57%26%
Indian media reported the NOTAM and highlighted that only eight airports (including IKA and THR) would stay open, which boosted trader confidence that the market’s “Yes” outcome was in play.
Iran civil aviation suspends all previous clearances; daylight‑only flights at eight western airports
May 27 surges to 57%26%
Iran International published the exact NOTAM text, confirming the suspension of previous clearances and the daylight‑only rule, cementing the perception of a qualifying closure and pushing the market to its peak.
Iran Issues NOTAM Temporarily Closing Western Airspace Amid US Strike Fears
June 15 surges to 99%67%
Iran's Civil Aviation Organization issued a NOTAM closing western Tehran airspace from May 22 to May 25, 2026, amid reports that the US was preparing military strikes. This partial closure caused a sharp spike in market prices for the June outcomes.
Indian airlines issue advisories amid ongoing Iran airspace disruptions
May 31 surges to 96%58%
In mid-May 2026, Indian carriers Air India and IndiGo issued advisories warning passengers of flight delays and rerouting due to continued closure or restrictions of Iranian airspace amid regional tensions. These advisories indicate ongoing operational disruptions consistent with a major airspace closure or severe restrictions affecting multiple major Iranian airports.
Iran closes western airspace amid fears of US military strikes
June 15 jumps to 58%7%
Iran's Civil Aviation Organization issued a NOTAM closing the western Tehran airspace from May 22 to May 25, 2026, suspending civil flight permits in that sector amid reports of possible US military strikes. This broad closure affected multiple airports and caused airlines to reroute flights, increasing market expectations for a broader closure.
Iran closes western airspace amid rising US tensions, restricting flights to daylight hours
May 24 drops to 14%12%
Iran temporarily closed its western airspace from May 22 to May 25, suspending all civil flight permits in the western sector of the Tehran FIR, with only eight airports operational under daylight-only restrictions. This closure was amid heightened regional tensions and security concerns but was limited in scope and duration, affecting market expectations for a full major closure.
Iran temporarily closes western airspace amid rising US tensions
June 15 jumps to 53%12%
Iran's Civil Aviation Organization issued a NOTAM closing the western Tehran airspace from May 22 to May 25, suspending civil flight permits in that sector amid fears of possible US military strikes. This partial closure raised market expectations for a major closure, causing a surge in prices for later dates.
Iran temporarily closes western airspace, suspending civil flight permits
May 27 surges to 99%81%
Iran's Civil Aviation Authority issued a NOTAM closing all airports in the western part of the Tehran Flight Information Region from May 22 to May 25, suspending civil flight permits amid reports of possible U.S. military strikes. This closure affected multiple major airports and was a significant escalation in airspace restrictions.
Iran reopens airspace after five-hour closure; five carriers resume services
After a brief five-hour airspace closure, Iran reopened its airspace with five carriers resuming services, marking a significant market event. This reopening caused a sharp price drop across all outcomes.
Iran closes western airspace amid rising US-Iran tensions
June 30 plunges to 47%29%
Iran's Civil Aviation Organization issued a NOTAM closing the western Tehran airspace from May 22 to May 25, limiting operations to daylight hours and suspending civil flight permits in that sector amid fears of US military strikes. This partial closure affected multiple airports and caused airlines to reroute flights, increasing market expectations for a broader closure.
Iran issues NOTAM closing western Tehran Flight Information Region airspace
May 24 surges to 99%91%
Iran's Civil Aviation Authority announced a temporary closure of airspace over western Iran, suspending civil flight permits at multiple airports amid reports of possible US military strikes. This broad closure affected key airports and was a major escalation in airspace restrictions, causing market prices to surge sharply.
Iran closes western airspace amid fears of imminent US military strikes
May 27 plunges to 0%31%
Iran's Civil Aviation Authority issued a NOTAM closing nearly all airports in western Tehran airspace, suspending civil flight permits at multiple airports and restricting operations to daylight hours. This broad closure was a response to rising tensions and reports of possible US strikes, causing airlines to reroute flights and raising market expectations of a major airspace closure.
Iran announces temporary closure of western airspace amid US strike fears
May 27 surges to 98%67%
Iran's Civil Aviation Organization issued a NOTAM suspending civil flight permits over western Iran, affecting multiple airports and restricting flights to daylight hours. This major regional closure heightened market expectations of a broader airspace shutdown, causing a sharp increase in odds for a closure by May 27 and May 31.
Iran closes western Tehran airspace amid fears of US military strikes
June 15 surges to 61%24%
Iran's Civil Aviation Organization issued a NOTAM closing nearly all airports in western Tehran airspace from May 22 to May 25, limiting operations to daylight hours and causing airlines to reroute flights. This major closure was in response to rising tensions and fears of imminent US military action, significantly increasing market expectations for a broad airspace closure.
Iran issues NOTAM closing western airspace until May 25 amid US strike fears
May 27 surges to 99%68%
Iran's Civil Aviation Authority issued a Notice to Airmen (NOTAM) closing all airports in the western part of the Tehran Flight Information Region from May 22 to May 25, suspending commercial and civilian passenger flights in that region. This partial closure amid rising military tensions and reports of possible US strikes caused a temporary spike in market prices but did not meet the criteria for a major closure affecting multiple key airports broadly.
Iran closes western airspace, suspending all commercial flights in the region
May 31 plunges to 11%16%
Iran's Civil Aviation Authority issued NOTAM OIIX A1010/26 on May 22, closing all airports in the western part of the Tehran Flight Information Region until May 25. This major regional closure was in response to rising military tensions and fears of U.S. military strikes, significantly restricting commercial aviation in western Iran and impacting market expectations for a broader closure.
Iran closes western airspace amid fears of US military strikes
May 31 jumps to 44%6%
Iran's Civil Aviation Authority issued a NOTAM closing nearly all airports in western Tehran airspace until May 25, suspending civil flight permits amid rising tensions and reports of possible US strikes. This broad regional closure affected multiple major airports and raised market expectations for a major airspace shutdown.
Iran's top diplomat issues direct threat to US amid crackdown on protests
May 21 plunges to 4%15%
Iran's foreign minister issued a direct threat against the U.S., warning of retaliation if attacked. This heightened tensions and briefly increased the market price.
Iran's top diplomat issues direct threat against US amid crackdown on protests
May 24 plunges to 21%18%
Iran's foreign minister issued a direct threat against the United States, warning of retaliation if attacked. This diplomatic escalation contributed to market volatility, with prices fluctuating from 3% to 28% over the May 20-21 period.
Trump administration confirms El Paso airspace closure due to cartel drone threat
The Trump administration confirmed the FAA closure of El Paso airspace was due to Mexican cartel drones breaching the airspace, with the Pentagon using anti-drone laser technology to disable them. This was a U.S. airspace closure, not Iranian, and did not affect the Iran market.
Iran resumes commercial flights at Tehran’s international airport amid ceasefire
May 31 drops to 30%11%
Iran resumed commercial flights from Imam Khomeini International Airport for the first time since the war began, signaling a de-escalation and lowering market expectations for a major airspace closure by the end of May.
Iran extends airspace closure amid rising protests and regional tensions
May 31 jumps to 49%12%
Iran temporarily closed its airspace to most flights except those with official permission amid domestic protests and heightened regional tensions. This closure disrupted many international flights and increased concerns about further restrictions, influencing market expectations of a major closure.
Iran's Civil Aviation Organization confirms flights back in operation
May 21 drops to 39%7%
Iran's Civil Aviation Organization confirmed on Thursday morning that flights were back in operation over the country, leading to a price drop from 46% to 39% on May 21, 2026.
Iran briefly closes airspace to most flights amid protests, then reopens
June 30 plunges to 47%29%
Iran issued a NOTAM temporarily closing its airspace to most flights except international civil arrivals and departures with prior permission amid nationwide protests. The closure was short-lived and flights resumed shortly after, reducing the likelihood of a major prolonged closure.
Iran issues notice temporarily closing airspace to some flights amid protests
May 18 dips to 10%4%
Iran issued a NOTAM temporarily closing its airspace to all flights except international civil arrivals and departures with prior permission, amid nationwide protests and heightened tensions. This partial closure was significant but did not qualify as a major closure affecting multiple key airports broadly.
European airlines extend suspensions of flights to and from Iran
June 15 jumps to 59%8%
Several European carriers announced extensions of suspensions for flights to/from Iran, reflecting the ongoing airspace restrictions and keeping market participants cautious.
Airlines cancel Tehran routes amid ongoing Iranian airspace closure
June 30 jumps to 48%14%
Reports of airlines cancelling routes to Tehran and a decline in passenger bookings further pressured the market, contributing to a modest rise in “Yes” odds as economic fallout loomed.
Iran says commercial flights will remain suspended pending further notice
May 27 drops to 19%5%
A brief notice that Iran would keep its airspace closed to commercial flights until further notice added to market uncertainty, nudging odds slightly downward as traders awaited more concrete signals.
Iran bans small private aircraft flights amid regional tensions
May 15 jumps to 14%5%
Iran issued a notice banning small private aircraft from flying in the country, with exceptions for the oil industry and emergency medical flights. This indicated heightened security concerns but did not constitute a major airspace closure affecting commercial flights.
Iran resumes commercial flights at Tehran’s international airport after war hiatus
May 15 plunges to 4%28%
On May 9, 2026, Iranian state media reported the resumption of commercial flights at Imam Khomeini International Airport in Tehran for the first time since the war with the United States and Israel began. This reopening indicated that Iran's airspace was not broadly closed and commercial aviation was operational, reducing the likelihood of a major airspace closure by the May 15 deadline.
Iran reopens airspace and resumes commercial flights after temporary closure
May 31 jumps to 33%5%
Following the temporary closure during protests, Iran's Civil Aviation Organization confirmed flights resumed over the country, reducing the likelihood of a major airspace closure and causing market prices for "Yes" to decline.
UAE and Qatar impose partial airspace restrictions after Iran attack
May 31 drops to 30%14%
Both the UAE and Qatar announced partial airspace restrictions through May 11, extending regional flight disruptions and keeping “Yes” odds elevated.
Iran's Civil Aviation Organization confirms reopening of airspace after brief closure
May 18 dips to 12%2%
Following a brief closure of Iranian airspace to most flights amid protests and U.S. tensions, Iran's Civil Aviation Organization confirmed that flights resumed over the country by May 6, 2026. This reopening reduced the likelihood of a major airspace closure in the near term, impacting market prices for May 18 and May 21 outcomes.
Germany cautions airlines to avoid Iranian airspace amid rising tensions
June 15 surges to 58%24%
Germany warned its airlines against entering Iranian airspace, echoing earlier cautions and pushing the market’s “Yes” probability higher as the closure risk widened.
UAE partially closes airspace after Iranian missile attack
May 27 surges to 98%67%
The UAE's GCAA partially closed its airspace until at least 11 May 2026, restricting traffic to narrow approved corridors. This regional closure amplified aviation disruptions and contributed to the market's rising Yes prices.
Iran strikes UAE with missiles and drones, triggering partial UAE airspace closure
May 27 plunges to 24%17%
Iran launched missiles and drones at the UAE, prompting the UAE to partially close its own airspace and raising fears of a broader regional airspace shutdown, which pushed “Yes” odds sharply upward on May 4‑5.
Iran launches missiles and drones at UAE; UAE partially closes airspace until 11 May
May 24 drops to 17%9%
Iranian missile and drone attacks on the UAE prompted the UAE to partially close its airspace until 11 May 2026, causing widespread flight disruptions and cancellations. This regional escalation contributed to market volatility.
U.S. Embassy in UAE issues security alert after Iran missile attack
June 30 surges to 99%54%
U.S. Embassy security alert on the same day as the missile strike amplified concerns of a possible escalation, prompting a sharp rise in “Yes” odds to a peak of 99% on May 23 as traders priced in a potential full shutdown.
Iran launches missile and drone attacks on UAE, prompting regional airspace disruptions
May 31 drops to 20%10%
On May 4, Iran launched multiple ballistic missiles, cruise missiles, and drones at the UAE, causing injuries and damage. This led to the UAE partially closing its airspace until at least May 11, and airlines suspending or rerouting flights in the region. However, Iran itself did not close its own airspace, which kept the market probability for Iran's airspace closure low.
Iran launches missile and drone attacks on UAE, prompting regional airspace restrictions
June 30 plunges to 52%16%
On May 4, 2026, Iran launched multiple ballistic missiles, cruise missiles, and drones at the UAE, causing injuries and damage. In response, the UAE partially closed its airspace until at least May 11, and Qatar and Oman issued partial airspace restrictions. This heightened regional tensions and disrupted commercial flights, influencing market perceptions of potential Iranian airspace closures.
Iran launches missile and drone attacks on UAE
May 24 surges to 96%70%
Iran launched 12 ballistic missiles, 3 cruise missiles, and 4 drones at the UAE, prompting immediate regional aviation disruptions and the UAE's partial airspace closure. This major escalation directly impacted the market's Yes probability across all outcome dates.
Iran briefly closes airspace amid protests and unrest
May 31 rises to 40%4%
Iran issued a notice temporarily closing its airspace to most flights except those with prior permission, amid widespread protests and a crackdown. This raised market expectations for a major closure, reflected in a temporary price increase for the "Yes" outcome.
Iran Civil Aviation confirms flights back in operation after brief NOTAM
Iran's Civil Aviation Organization confirmed on May 2 that flights were back in operation over the country, following the initial NOTAM that had been extended through 10:30 p.m. ET. This reopening caused the market price to drop to 0% on May 22.
Iran issues NOTAM closing airspace to most flights amid protests
Iran issued a notice to pilots banning small private aircraft from flying, with exceptions for oil industry and medical flights, as protests over 2,000+ deaths intensified. This partial closure did not meet the 'major closure' threshold requiring suspension of at least two major airports.
Iran briefly issued NOTAM closing airspace to most flights
May 27 jumps to 46%7%
Iran issued a notice temporarily closing its airspace to all flights except international civil arrivals and departures with prior permission from Iran's aviation authorities. This triggered a small price increase from 39% to 46% on May 14, 2026, before the market settled.
No major airspace closure reported in Iran amid ongoing tensions
May 21 plunges to 2%17%
Despite ongoing regional tensions and previous temporary airspace restrictions in earlier months, no official Iranian aviation authority announcements or credible reports indicated a broad closure of Iranian airspace affecting commercial flights in May 2026. This lack of closure contributed to low market prices for near-term closure outcomes.
Commercial flights resume at Tehran's Imam Khomeini International Airport
May 21 plunges to 4%34%
Commercial flights resumed at Tehran's main airport after a two-month war with the U.S. and Israel, ending the major airspace closure period. This significantly reduced the likelihood of a Yes resolution.
警惕外部連結哦。
警惕外部連結哦。
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