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Home / Markets / Will 2025 be the second hottest year on record?
Resolved market scorecard

Will 2025 be the second hottest year on record?: result and scorecard

Resolved Yes. One day before close Polymarket priced that outcome at 99.2%; a week before, 95.3%. $397K traded in total.

Updated 2026-11-06 02:18 UTC · Source: Polymarket · 18+ · Market prices, not predictions or advice

Result

Yes
resolved January 14, 2026

Price 1 day before

99.2%
Market was confident and right

Price 7 days before

95.3%
30 days before: 88.3%

Volume

$397K
1 outcome

ScienceGlobal TempCulture

Final prices by outcome

OutcomeResultVolume
YesWON$397K
NoLOST$397K

Price history to resolution

0%25%50%75%100%08-1610-3001-14
Yes
📱 Compare how the same event is priced across venues on Polymtrade.Referral link. 18+.

Scorecard

A market that prices the eventual outcome at 99% the day before is getting it right in the simplest sense, but a single market says little about calibration. Across many markets, outcomes priced at 70% should happen about 70% of the time. See the monthly scorecard for the aggregate record.

Resolution rules

This market will resolve to "Yes" if the data for the Global Land-Ocean Temperature Index for 2025 shows the second greatest increase of any previously recorded year when it is released. Otherwise, this market will resolve to "No". An anomaly which is the second greatest of any previously recorded year for 2025 is necessary and sufficient to resolve this market to "Yes" immediately once the data becomes available, regardless of whether the figure for 2024 and/or 2025 is later revised. The primary resolution source for this market will be the figure found in the table titled "Land-Ocean Temperature Index (C)" under the column "No_Smoothing" in the row "2025" (https://data.giss.nasa.gov/gistemp/graphs/graph_data/Global_Mean_Estimates_based_on_Land_and_Ocean_Data/graph.txt). If NASA's "Global Temperature Index" is rendered permanently unavailable, other information from NASA may be used. If no information for 2025 is provided by NASA by March 1, 2026, 11:59 PM ET, this market will resolve based on a consensus of credible reporting.

Frequently asked questions

How did "Will 2025 be the second hottest year on record?" resolve?
It resolved Yes around December 31, 2025.
What did the market predict?
Polymarket priced the winning outcome at 99.2% one day before close, 95.3% one week before and 88.3% one month before.
How much was traded?
$397K across 1 outcome.

Related on BetG8

Data: Polymarket Gamma and CLOB APIs, fetched by BetG8 at the time shown above. Venues may restrict access by location. 18+ only.