The probability that July 2026 will be the hottest month on record surged by 23.5 percentage points over the last 24 hours on Polymarket, climbing from an estimated 57.0% to 80.5% as of July 15. This marked increase was accompanied by whale activity that supported the price move, with net whale inflows totaling $11K into YES contracts. Whale buy volume reached $15K, outpacing $4K in sell volume, spread across 32 unique whale traders.
Overall 24-hour trading volume on this market was $17K, contributing to a lifetime market volume of $28K among 112 unique traders. Notably, the Polymarket Breaking YES price of 80.5% diverges significantly from the Polydata on-chain mid-price of 62.0%, indicating some tension between market and on-chain valuation levels.
The coordinated rise in price and whale buying activity signals growing conviction behind the expectation that July 2026 will set a new heat record. The combined flow and price action reinforce the market’s rapid repricing of this outcome’s likelihood.
| Market | Will July 2026 be the 1st hottest on record? |
|---|---|
| Market ID | 2820808 |
| 24h price change | +23.5 pp |
| YES now (PM Breaking) | 80.5% |
| YES ~24h ago (est.) | 57.0% |
| YES (Polydata overview) | 62.0% |
| Whale net flow (24h) | $11K |
| Whale buy / sell (24h) | $15K / $4K |
| Unique whales (24h) | 32 |
| Volume 24h (PM) | $17K |
| Unique traders (Polydata) | 112 |
Source: Polydata API v3 · /whales/flow + Polymarket Breaking · snapshot 2026-07-15. Data: Polydata API v3. On-chain figures are public. Realized PnL is computed over resolved markets only and excludes open positions, so it is conservative versus the Polymarket UI. This is not investment advice.