2026 hottest year on record at 82.5%

Polymarket’s contract on whether 2026 will be the hottest year on record reached an implied probability of 82.5%, up 3.5 percentage points, with $720K traded, according to the supplied market summary published Oct 18, 2026 · 6:54 PM ET.

A higher price, but no identified catalyst

The move represents an increase in traders’ assessment of a record-hot year. The supplied material does not identify a weather report, temperature release or other development behind the repricing.

According to predictionbubbles.net, its movers board measures changes over 24 hours, using prices drawn from Polymarket and Kalshi and updating every 15 minutes. The supplied page records a venue-data snapshot of 18 Oct 2026, 23:14 UTC.

Reading the figures carefully

Predictionbubbles.net ranks contracts by the size of their probability-point changes, rather than relative percentage gains. On that basis, the hottest-year contract’s 3.5-point increase describes a shift in its market-implied probability—not a 3.5% relative rise.

The supplied source excerpt explains the board’s methodology but does not include a listing for this particular contract. It therefore provides no independent detail on the contract’s resolution criteria, order-book liquidity or the period covered by the $720K trading figure.

What it means for prediction markets

• 82.5% is a market price, not confirmation: traders favor the record-year outcome, but the supplied material does not establish that it will occur.
• Movement and trading volume answer different questions: the 3.5-point rise shows repricing; $720K traded provides activity context without establishing market depth.
• The catalyst remains unclear: no contract-specific evidence in the supplied source explains why the price increased or specifies how the outcome will be determined.