The probability that Anthropic will extend paid-plan access for Claude Fable 5 by July 19 surged by 20.5 percentage points over the past 24 hours, jumping from 38.5% to 59.0% on Polymarket. This sharp repricing reflects increased confidence in the extension event as traders reevaluate the likelihood of the company’s decision.
Over the same period, whale trading activity aligned with the price movement, confirming the upward shift in market sentiment. The net inflow from large traders into YES contracts supported the rally, suggesting that informed participants are backing the higher odds rather than opposing them. Total trading volume on the market reached $18K in the last day, indicating solid engagement around this question.
The combined price and whale flow dynamics point to growing conviction that Anthropic will continue Claude Fable 5’s paid access beyond the current term. This alignment between price moves and large trader behavior strengthens the signal embedded in the market, highlighting a meaningful update in expectations for this event by July 19.
| Market | Will Anthropic extend Claude Fable 5 paid-plan access again by July 19? |
|---|---|
| Market ID | 2898504 |
| 24h price change | +20.5 pp |
| YES now (PM Breaking) | 59.0% |
| YES ~24h ago (est.) | 38.5% |
| 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 2026-07-16. 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.