The probability that Anthropic will extend Claude Fable 5 paid-plan access by July 19 rose sharply by 22.0 percentage points over the past 24 hours, climbing from 60.5% to 82.5% on Polymarket. This significant repricing reflects growing market confidence in an extension event within the next two days.
Whale trading activity moved in tandem with the price shift, confirming the trend rather than opposing it. This alignment between large traders and the market tape suggests that informed participants are reinforcing the increased odds rather than betting against the extension. The 24-hour trading volume on this market reached $18K, indicating active participation amid the price move.
The combination of a substantial 22.0 pp rise in the YES contract price and supportive whale flow underscores a strong consensus developing around the likelihood of Anthropic continuing Claude Fable 5 paid-plan access. This repricing and whale confirmation together signal robust conviction in the market regarding this event’s outcome as the July 19 deadline approaches.
| Market | Will Anthropic extend Claude Fable 5 paid-plan access again by July 19? |
|---|---|
| Market ID | 2898504 |
| 24h price change | +22.0 pp |
| YES now (PM Breaking) | 82.5% |
| YES ~24h ago (est.) | 60.5% |
| YES (Polydata overview) | — |
| Whale net flow (24h) | $0 |
| Whale buy / sell (24h) | — / — |
| Unique whales (24h) | — |
| Volume 24h (PM) | $18K |
| Unique traders (Polydata) | — |
Source: Polydata API v3 · /whales/flow + Polymarket Breaking · snapshot 2026-07-17. 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.