The probability that Anthropic will extend Claude Fable 5 paid-plan access again by July 19 surged 28.5 percentage points in the last 24 hours, climbing from an estimated 35.0% to 63.5% on Polymarket. This marked a major shift in market sentiment, reflecting a significant reassessment of the odds within a single day.
Alongside this price move, whale trading activity aligned with the price direction, confirming the market’s repricing. The flow data indicates that large investors have increased net bets on the YES outcome, reinforcing the upward momentum in contract value. Total 24-hour trading volume on this market reached $16K, underscoring active participation amid the shift.
The combined effect of the sharp price rise and whale flow alignment suggests growing confidence among informed traders that Anthropic will extend the paid-plan access.
Overall, the market’s rapid adjustment and whale support point to a meaningful update in the perceived likelihood of Claude Fable 5’s extension, providing a clearer signal about this event’s evolving prospects on Polymarket.
| Market | Will Anthropic extend Claude Fable 5 paid-plan access again by July 19? |
|---|---|
| Market ID | 2898504 |
| 24h price change | +28.5 pp |
| YES now (PM Breaking) | 63.5% |
| YES ~24h ago (est.) | 35.0% |
| YES (Polydata overview) | — |
| Whale net flow (24h) | $0 |
| Whale buy / sell (24h) | — / — |
| Unique whales (24h) | — |
| Volume 24h (PM) | $16K |
| Unique traders (Polydata) | — |
Source: Polydata API v3 · /whales/flow + Polymarket Breaking · snapshot 2026-07-16. 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.