Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Review UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| December 31 | 100% |
| July 31 | 100% |
| July 10 | 100% |
| July 17 | 100% |
| July 6 | 100% |
| July 8 | 100% |
| August 31 | 99% |
| July 2 | 99% |
| July 3 | 99% |
| July 1 | 94% |
| June 15 | 0% |
| June 22 | 0% |
| June 17 | 0% |
| June 16 | 0% |
| June 26 | 0% |
| June 19 | 0% |
| June 18 | 0% |
| June 29 | 0% |
| June 30 | 0% |
Market context
On 12 June 2026, the US government issued an export-control directive under national-security authorities, ordering Anthropic to suspend all access to Claude Fable 5 and Claude Mythos 5 for foreign nationals worldwide. To ensure compliance without real-time segmentation of user nationality across hundreds of millions of accounts, Anthropic abruptly disabled both models for every customer globally, while leaving all other Claude models, including Opus 4.8, fully operational[1][5].
Historical precedents for sudden AI model suspensions tied to export controls show that once a directive cites national security, restoration is exceptionally rare unless the underlying capability threshold is re-evaluated or the regulatory scope narrows. The current 0% crowd-implied probability aligns with this pattern: prior US export bans on advanced technologies have rarely been reversed within short windows, and the directive explicitly covers Fable 5 and Mythos 5 without ambiguity[1][6].
Traders should monitor three catalysts: official statements from Anthropic regarding any reconsideration of the directive, announcements from the Bureau of Industry and Security (BIS) on potential scope adjustments, and any public disclosure that Fable 5’s fallback safeguard to Opus 4.8 has been formally recognised as a sufficient mitigation[1][6]. Recent reporting confirms the US ordered the suspension citing national security concerns, with no indication of imminent reversal[4]. Programmatically, this market would be approached by setting conditional orders tied to BIS press releases or Anthropic’s official blog, as these are the only reliable triggers for a probability shift.
Methodology
We track Claude Fable 5 restored for US customers by…? across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
FAQ
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Polymarket Review UK trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
Trade Claude Fable 5 restored for US customers by…? on Polymarket Review UK
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