The market “Will Anthropic have the best Math AI model at the end of July 2026?” saw its YES contract price climb 31.5 percentage points over the past 24 hours, rising from 54.0% to 85.5% on Polymarket’s Breaking feed as of July 13, 2026.
This large upward move was supported by whale activity, which showed a net inflow of $3K into YES positions. Whales bought $6K worth of YES contracts and sold $3K, with 36 unique whales participating during this period. The 24-hour volume on Polymarket for this market was $7K, contributing to a lifetime volume of $82K across 399 unique traders.
Notably, the whale flow aligned with the price move, confirming the market’s bullish repricing rather than contradicting it. However, there is a significant divergence between the Polymarket Breaking YES price at 85.5% and the Polydata on-chain mid-price, which stands at 27.5%. This gap suggests that the Breaking feed reflects recent rapid sentiment shifts not yet fully captured by on-chain data.
The combined surge in price and supportive whale flow signals a strong market conviction building around Anthropic’s chances of delivering the best Math AI model by the end of July 2026. This rapid repricing and whale engagement highlight shifting expectations within this prediction market.
| Market | Will Anthropic have the best Math AI model at the end of July 2026? |
|---|---|
| Market ID | 2431051 |
| 24h price change | +31.5 pp |
| YES now (PM Breaking) | 85.5% |
| YES ~24h ago (est.) | 54.0% |
| YES (Polydata overview) | 27.5% |
| Whale net flow (24h) | $3K |
| Whale buy / sell (24h) | $6K / $3K |
| Unique whales (24h) | 36 |
| Volume 24h (PM) | $7K |
| Unique traders (Polydata) | 399 |
Source: Polydata API v3 · /whales/flow + Polymarket Breaking · snapshot 2026-07-13. 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.