# How hot is 2026? The annual ranking behind the climate market A record-setting month does not establish the rank of a complete year. This market compares annual values in one named temperature series, so monthly headlines need to be translated into that specific full-year measurement. Canonical article: https://www.homeincomelab.com/stories/where-will-2026-rank-among-the-hottest-years-on-record Publisher: The Outlook By: The Outlook editorial desk Category: Culture Analysis as of: 2026-10-04T10:19:01.902099Z Decision guide market prices observed: 2026-10-04T09:57:48.323Z Published: 2026-10-04T10:19:01.902099Z ## Quick answer The contract uses NASA GISS’s Global Land-Ocean Temperature Index, its unsmoothed annual value for 2026, and ranks years from hottest downward. It resolves when the specified data appears rather than reopening for later revisions. [2](https://polymarket.com/event/where-will-2026-rank-among-the-hottest-years-on-record/will-2026-be-the-hottest-year-on-record) ## Key takeaways - Follow the monthly path in the same NASA series and the remaining months needed to lift or lower the annual average. - Using a different temperature dataset, a regional heat record or a rolling twelve-month number can produce a convincing but mismatched argument. - The measured year is 2026. The rules include a March 1, 2027, 11:59 p.m. Eastern fallback if NASA has not provided the figure. [2](https://polymarket.com/event/where-will-2026-rank-among-the-hottest-years-on-record/will-2026-be-the-hottest-year-on-record) ## The detail that changes the question A record-setting month does not establish the rank of a complete year. This market compares annual values in one named temperature series, so monthly headlines need to be translated into that specific full-year measurement. The contract uses NASA GISS’s Global Land-Ocean Temperature Index, its unsmoothed annual value for 2026, and ranks years from hottest downward. It resolves when the specified data appears rather than reopening for later revisions. [2](https://polymarket.com/event/where-will-2026-rank-among-the-hottest-years-on-record/will-2026-be-the-hottest-year-on-record) ## What the current price does—and does not—show The API snapshot on October 4, 2026 priced Yes at 70.5% for “Will 2026 be the hottest year on record?”. The parent event had $3,578,780 in cumulative volume. That volume includes trading across the event; it is not a count of distinct people and does not establish the probability of this one contract. [1](https://polymarket.com/event/where-will-2026-rank-among-the-hottest-years-on-record)[2](https://polymarket.com/event/where-will-2026-rank-among-the-hottest-years-on-record/will-2026-be-the-hottest-year-on-record) Follow the monthly path in the same NASA series and the remaining months needed to lift or lower the annual average. Another open contract in the same event, “Will 2026 be the second-hottest year on record?”, was quoted at 25.5% for Yes. Check whether these conditions are mutually exclusive before comparing or combining their prices. [1](https://polymarket.com/event/where-will-2026-rank-among-the-hottest-years-on-record) ## Where the position can go wrong Using a different temperature dataset, a regional heat record or a rolling twelve-month number can produce a convincing but mismatched argument. The measured year is 2026. The rules include a March 1, 2027, 11:59 p.m. Eastern fallback if NASA has not provided the figure. [2](https://polymarket.com/event/where-will-2026-rank-among-the-hottest-years-on-record/will-2026-be-the-hottest-year-on-record) ## The evidence that would change the reading Follow the monthly path in the same NASA series and the remaining months needed to lift or lower the annual average. The useful question is whether the available evidence meets this test: The contract uses NASA GISS’s Global Land-Ocean Temperature Index, its unsmoothed annual value for 2026, and ranks years from hottest downward. It resolves when the specified data appears rather than reopening for later revisions. A confident story without that connection leaves the central condition unproved. [2](https://polymarket.com/event/where-will-2026-rank-among-the-hottest-years-on-record/will-2026-be-the-hottest-year-on-record) ## A fact worth knowing GISTEMP combines land and ocean observations to estimate global surface-temperature changes. Source: [NASA GISS: GISTEMP surface-temperature analysis](https://data.giss.nasa.gov/gistemp/) ## Weighing the outcome ### Outcome in focus Will 2026 be the hottest year on record? ### Supporting case Follow the monthly path in the same NASA series and the remaining months needed to lift or lower the annual average. A Yes case needs evidence that the qualifying condition is or will be met within its window. ### Challenging case Using a different temperature dataset, a regional heat record or a rolling twelve-month number can produce a convincing but mismatched argument. ### What to watch - Follow the monthly path in the same NASA series and the remaining months needed to lift or lower the annual average. - The measured year is 2026. The rules include a March 1, 2027, 11:59 p.m. Eastern fallback if NASA has not provided the figure. - A change to the exact contract’s rules, resolution status or current executable price. [2](https://polymarket.com/event/where-will-2026-rank-among-the-hottest-years-on-record/will-2026-be-the-hottest-year-on-record) ### What may already be priced in The dated Yes quote was 70.5%. That is a market-implied price for this question, not an independently estimated fair probability. [2](https://polymarket.com/event/where-will-2026-rank-among-the-hottest-years-on-record/will-2026-be-the-hottest-year-on-record) ### Assessment The contract uses NASA GISS’s Global Land-Ocean Temperature Index, its unsmoothed annual value for 2026, and ranks years from hottest downward. It resolves when the specified data appears rather than reopening for later revisions. We do not establish a price advantage from the quote alone. [2](https://polymarket.com/event/where-will-2026-rank-among-the-hottest-years-on-record/will-2026-be-the-hottest-year-on-record) ## How the market resolves The contract uses NASA GISS’s Global Land-Ocean Temperature Index, its unsmoothed annual value for 2026, and ranks years from hottest downward. It resolves when the specified data appears rather than reopening for later revisions. If 2026 ties another year, it takes that year’s ranking position. [2](https://polymarket.com/event/where-will-2026-rank-among-the-hottest-years-on-record/will-2026-be-the-hottest-year-on-record) ## Timing and deadline The measured year is 2026. The rules include a March 1, 2027, 11:59 p.m. Eastern fallback if NASA has not provided the figure. [2](https://polymarket.com/event/where-will-2026-rank-among-the-hottest-years-on-record/will-2026-be-the-hottest-year-on-record) ## Questions and answers ### What exactly does this market resolve on? The contract uses NASA GISS’s Global Land-Ocean Temperature Index, its unsmoothed annual value for 2026, and ranks years from hottest downward. It resolves when the specified data appears rather than reopening for later revisions. [2](https://polymarket.com/event/where-will-2026-rank-among-the-hottest-years-on-record/will-2026-be-the-hottest-year-on-record) ### What is the deadline or observation window? The measured year is 2026. The rules include a March 1, 2027, 11:59 p.m. Eastern fallback if NASA has not provided the figure. [2](https://polymarket.com/event/where-will-2026-rank-among-the-hottest-years-on-record/will-2026-be-the-hottest-year-on-record) ### What should I check before choosing a position? Follow the monthly path in the same NASA series and the remaining months needed to lift or lower the annual average. Then compare the current contract price with your own evidence-based assessment; this article does not identify a guaranteed or recommended trade. ## Related market contracts - [Will 2026 be the hottest year on record?](https://polymarket.com/event/where-will-2026-rank-among-the-hottest-years-on-record/will-2026-be-the-hottest-year-on-record) - [Will 2026 be the second-hottest year on record?](https://polymarket.com/event/where-will-2026-rank-among-the-hottest-years-on-record/will-2026-be-the-second-hottest-year-on-record) - [Will 2026 be the third-hottest year on record?](https://polymarket.com/event/where-will-2026-rank-among-the-hottest-years-on-record/will-2026-be-the-third-hottest-year-on-record) ## Market source [View the event on Polymarket](https://polymarket.com/event/where-will-2026-rank-among-the-hottest-years-on-record) For timestamped market prices, see the canonical HTML article. Prices can change independently of this analysis. ## Sources and further reading 1. [Where will 2026 rank among the hottest years on record? — event and complete rules](https://polymarket.com/event/where-will-2026-rank-among-the-hottest-years-on-record) 2. [Will 2026 be the hottest year on record? — exact contract](https://polymarket.com/event/where-will-2026-rank-among-the-hottest-years-on-record/will-2026-be-the-hottest-year-on-record) 3. [NASA GISS: GISTEMP surface-temperature analysis](https://data.giss.nasa.gov/gistemp/) This is AI-assisted, source-linked explanatory journalism. We distinguish facts from interpretation and revise material errors. [How we work](https://www.homeincomelab.com/methodology) · [Corrections and contact](https://www.homeincomelab.com/contact)