The probability that Anthropic will extend Claude Fable 5 paid-plan access by July 19 surged 28.0 percentage points in the past 24 hours, climbing from 38.5% to 66.5% on Polymarket. This sizable repricing reflects a rapid market reassessment of the likelihood of an extension within the next three days.
Whale trading activity supported this shift, with large investors moving in the same direction as the price change. The alignment of whale flow and price suggests that the increase in odds was driven by substantial conviction rather than isolated retail momentum. Total volume for the market during this period reached $16K, underlining steady engagement as the event date approaches.
The synchronized rise in price and whale interest signals growing confidence among deep-pocketed traders that Anthropic will indeed prolong paid access to Claude Fable 5. This combined price and flow pattern highlights a market increasingly convinced of an extension, reflecting new or updated information impacting expectations ahead of the July 19 deadline.
| Market | Will Anthropic extend Claude Fable 5 paid-plan access again by July 19? |
|---|---|
| Market ID | 2898504 |
| 24h price change | +28.0 pp |
| YES now (PM Breaking) | 66.5% |
| YES ~24h ago (est.) | 38.5% |
| 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.