Trader sentiment for the April 2026 global mean surface temperature anomaly remains tightly clustered around 1.10–1.29ºC, driven primarily by uncertainty in the anticipated La Niña cooling effect offsetting relentless greenhouse gas forcing. Recent NOAA and IRI forecasts indicate a 70% chance of La Niña persisting into early 2026, potentially shaving 0.1–0.2ºC off anomalies compared to the 2023–2024 El Niño peak, yet rising CO2 levels (now exceeding 420 ppm) sustain upward pressure. Differentiating the leading bins—1.15–1.19ºC and 1.25–1.29ºC—hinges on La Niña strength, Indian Ocean Dipole positivity, and waning Hunga Tonga stratospheric aerosols; mild La Niña favors higher bins, while a strong event tilts lower, per ECMWF ensemble models. Upcoming seasonal outlooks from Copernicus will sharpen these market-implied odds.
Résumé expérimental généré par IA à partir des données Polymarket · Mis à jourApril 2026 Temperature Increase (ºC)
April 2026 Temperature Increase (ºC)
<1.10ºC 42%
1.25–1.29ºC 42%
>1.29ºC 42%
1.10–1.14ºC 42%
<1.10ºC
42%
1.10–1.14ºC
42%
1.15–1.19ºC
42%
1.20–1.24ºC
42%
1.25–1.29ºC
42%
>1.29ºC
42%
<1.10ºC 42%
1.25–1.29ºC 42%
>1.29ºC 42%
1.10–1.14ºC 42%
<1.10ºC
42%
1.10–1.14ºC
42%
1.15–1.19ºC
42%
1.20–1.24ºC
42%
1.25–1.29ºC
42%
>1.29ºC
42%
An anomaly within a named bracket for April 2026 is necessary and sufficient to resolve this market immediately once the data becomes available, regardless of whether the figure for April 2026 is later revised.
The primary resolution source for this market will be the figure found in the table titled "GLOBAL Land-Ocean Temperature Index in 0.01 degrees Celsius" under the column "Apr" in the row "2026" (https://data.giss.nasa.gov/gistemp/tabledata_v4/GLB.Ts+dSST.txt).
If NASA’s “Global Temperature Index” is rendered permanently unavailable, other information from NASA may be used.
If no information for April 2026 is provided by NASA by June 1, 2026, 11:59 PM ET, this market will resolve to the lowest range bracket.
Marché ouvert : Mar 23, 2026, 6:04 PM ET
Resolver
0x69c47De9D...Resolver
0x69c47De9D...Trader sentiment for the April 2026 global mean surface temperature anomaly remains tightly clustered around 1.10–1.29ºC, driven primarily by uncertainty in the anticipated La Niña cooling effect offsetting relentless greenhouse gas forcing. Recent NOAA and IRI forecasts indicate a 70% chance of La Niña persisting into early 2026, potentially shaving 0.1–0.2ºC off anomalies compared to the 2023–2024 El Niño peak, yet rising CO2 levels (now exceeding 420 ppm) sustain upward pressure. Differentiating the leading bins—1.15–1.19ºC and 1.25–1.29ºC—hinges on La Niña strength, Indian Ocean Dipole positivity, and waning Hunga Tonga stratospheric aerosols; mild La Niña favors higher bins, while a strong event tilts lower, per ECMWF ensemble models. Upcoming seasonal outlooks from Copernicus will sharpen these market-implied odds.
Résumé expérimental généré par IA à partir des données Polymarket · Mis à jour
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