Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| ↑$1.25T | 100% |
| ↑$1.1T | 100% |
| ↑$1.0T | 100% |
| ↑$1.5T | 96% |
| ↑$1.75T | 90% |
| ↑$2.0T | 77% |
| ↑$2.5T | 48% |
| ↑$3.0T | 30% |
| ↑$4.0T | 10% |
| ↓$800B | 8% |
| ↓$700B | 7% |
| ↑$5.0T | 6% |
| ↓$600B | 4% |
Market context
Anthropic's private valuation has become a focal point for tracking the commercial trajectory of frontier AI research labs. The company last raised capital at a $20 billion valuation in March 2024, following an earlier $15 billion round in September 2023. Since then, the firm has secured partnerships with Google, Amazon, and Salesforce whilst releasing successive versions of its Claude model. Whether the valuation reaches the specified threshold by year-end 2026 hinges on whether secondary market activity on Nasdaq Private Market reflects material progress in revenue generation, competitive positioning, or fresh capital rounds.
Comparable private company trajectories offer limited precedent for AI research firms, though OpenAI's reported $80 billion valuation in late 2023 and subsequent fundraising rounds provide context for how rapidly these assessments can shift. The 34% implied probability suggests traders view a significant valuation jump as plausible but not favourable odds. Historical patterns show that private valuations typically accelerate following announced partnerships, product launches, or funding events rather than gradual operational improvements alone.
Key catalysts through 2026 include Claude model releases, enterprise adoption metrics disclosed in earnings or partnership announcements, and any new funding rounds. The NPM Price mechanism updates only on trading days, meaning valuations may lag behind actual deal activity by several days. Traders should monitor announcements from Anthropic's major partners and watch for any indication of secondary share sales, which would provide the clearest signal of revised valuation expectations in the private market.
Methodology
Sports-specific comparison page for Will Anthropic’s valuation hit … by December 31?. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
UK Frequently Asked Questions
- When do sports markets resolve?
- Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
- Can I bet on individual matches?
- Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.
- Is Polymarket legal in the UK?
- Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.
- Do I pay tax on prediction market profits in the UK?
- UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.
- How do I deposit on Polymarket from the UK?
- UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.
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