Market icon

December Inflation U.K. - Annual

Market icon

December Inflation U.K. - Annual

≥3.4% 100.0%

≤2.8% <1%

2.9% <1%

3.0% <1%

Polymarket

$40,568 Vol.

≥3.4% 100.0%

≤2.8% <1%

2.9% <1%

3.0% <1%

Polymarket

$40,568 Vol.

≤2.8%

$5,760 Vol.

No

2.9%

$6,109 Vol.

No

3.0%

$5,908 Vol.

No

3.1%

$7,260 Vol.

No

3.2%

$5,240 Vol.

No

3.3%

$4,990 Vol.

No

≥3.4%

$5,302 Vol.

Yes

This is a market about the variation of consumer prices in the U.K. over the 12-month period ending December 2025, before seasonal adjustment, as reported by the Office for National Statistics (ONS).

This market will resolve according to the number the Consumer Price Index (CPI) increased by over the 12-month period ending December 2025 (% change) according to the monthly ONS report.

The resolution source for this market will be the ONS Consumer Price Index monthly report released for December 2025 (https://www.ons.gov.uk/economy/inflationandpriceindices/bulletins/consumerpriceinflation/previousreleases), currently scheduled to be released on January 21, 2026. Resolution of this market will take place upon release of the aforementioned data. If no data for the specified month is released by the date the next month's data is scheduled to be released, this market will resolve based on data from the last available month.

You can find this report by choosing the report for the relevant month from the previous releases page for price indices on the ONS website (https://www.ons.gov.uk/economy/inflationandpriceindices/bulletins/consumerpriceinflation/previousreleases). The relevant figure can be found in the "Consumer price inflation rates" table under the column labeled "CPI 12-month rate (%)" for the relevant month.

Note: the resolution source for this market will be the official monthly ONS CPI news release which reports inflation change over 12-month periods to only one decimal point (e.g. 1.9%). Thus, this is the level of precision that will be used when resolving the market. For the full release schedule, see: https://www.ons.gov.uk/releasecalendar
Volume
$40,568
End Date
Jan 21, 2026
Market Opened
Dec 18, 2025, 3:16 PM ET
This is a market about the variation of consumer prices in the U.K. over the 12-month period ending December 2025, before seasonal adjustment, as reported by the Office for National Statistics (ONS). This market will resolve according to the number the Consumer Price Index (CPI) increased by over the 12-month period ending December 2025 (% change) according to the monthly ONS report. The resolution source for this market will be the ONS Consumer Price Index monthly report released for December 2025 (https://www.ons.gov.uk/economy/inflationandpriceindices/bulletins/consumerpriceinflation/previousreleases), currently scheduled to be released on January 21, 2026. Resolution of this market will take place upon release of the aforementioned data. If no data for the specified month is released by the date the next month's data is scheduled to be released, this market will resolve based on data from the last available month. You can find this report by choosing the report for the relevant month from the previous releases page for price indices on the ONS website (https://www.ons.gov.uk/economy/inflationandpriceindices/bulletins/consumerpriceinflation/previousreleases). The relevant figure can be found in the "Consumer price inflation rates" table under the column labeled "CPI 12-month rate (%)" for the relevant month. Note: the resolution source for this market will be the official monthly ONS CPI news release which reports inflation change over 12-month periods to only one decimal point (e.g. 1.9%). Thus, this is the level of precision that will be used when resolving the market. For the full release schedule, see: https://www.ons.gov.uk/releasecalendar

Outcome proposed: No

No dispute

Final outcome: No

Beware of external links.

Frequently Asked Questions

"December Inflation U.K. - Annual" is a prediction market on Polymarket with 7 possible outcomes where traders buy and sell shares based on what they believe will happen. The current leading outcome is "≥3.4%" at 100%, followed by "≤2.8%" at 0%. Prices reflect real-time crowd-sourced probabilities. For example, a share priced at 100¢ implies that the market collectively assigns a 100% chance to that outcome. These odds shift continuously as traders react to new developments and information. Shares in the correct outcome are redeemable for $1 each upon market resolution.

As of today, "December Inflation U.K. - Annual" has generated $40.6K in total trading volume since the market launched on Dec 18, 2025. This level of trading activity reflects strong engagement from the Polymarket community and helps ensure that the current odds are informed by a deep pool of market participants. You can track live price movements and trade on any outcome directly on this page.

To trade on "December Inflation U.K. - Annual," browse the 7 available outcomes listed on this page. Each outcome displays a current price representing the market's implied probability. To take a position, select the outcome you believe is most likely, choose "Yes" to trade in favor of it or "No" to trade against it, enter your amount, and click "Trade." If your chosen outcome is correct when the market resolves, your "Yes" shares pay out $1 each. If it's incorrect, they pay out $0. You can also sell your shares at any time before resolution if you want to lock in a profit or cut a loss.

The current frontrunner for "December Inflation U.K. - Annual" is "≥3.4%" at 100%, meaning the market assigns a 100% chance to that outcome. The next closest outcome is "≤2.8%" at 0%. These odds update in real-time as traders buy and sell shares, so they reflect the latest collective view of what's most likely to happen. Check back frequently or bookmark this page to follow how the odds shift as new information emerges.

The resolution rules for "December Inflation U.K. - Annual" define exactly what needs to happen for each outcome to be declared a winner — including the official data sources used to determine the result. You can review the complete resolution criteria in the "Rules" section on this page above the comments. We recommend reading the rules carefully before trading, as they specify the precise conditions, edge cases, and sources that govern how this market is settled.