Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Legal UK) Pick polygram.ink (preferred broker) |
27% | 73% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
27% | 73% | 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 |
|---|---|
| July 24 | 27% |
| No release by July 31 | 16% |
| July 28 | 14% |
| July 30 | 12% |
| July 27 | 10% |
| July 23 | 9% |
| July 29 | 3% |
| July 31 | 3% |
| July 25 | 1% |
| July 26 | 1% |
| July 15 or prior | 0% |
| July 16 | 0% |
| July 17 | 0% |
| July 18 | 0% |
| July 19 | 0% |
| July 20 | 0% |
| July 21 | 0% |
| July 22 | 0% |
Market context
Anthropic’s next publicly released **Claude Opus** model is the event being tracked here: a new Opus-branded version must be made generally available, not merely announced or held in closed testing, before the market resolves. Recent releases have come in quick succession — Opus 4.7, then Opus 4.8, and now Opus 5 is listed as a stable release on 23 July 2026 — which means the 0% crowd view is best read as a stale or mispriced signal rather than a strong statement that no further Opus launch will occur before the settlement window closes.[2][6][1]
For framing, the comparable case is the recent cadence of Anthropic’s Opus line: when a new Opus version ships, it is typically made available across Claude products and the API on the same day, and Anthropic has also pushed updates through cloud distribution channels such as Amazon Bedrock, Google Cloud’s Vertex AI and Microsoft Foundry.[2][6] That matters for accessibility: a market venue advertised as **no-KYC up to $1,500** is generally straightforward for small tickets, but larger positions may trigger identity checks or other compliance review, so practical access depends on stake size as well as local rules.
On regulation, German **GlüStV** treatment is relevant because a prediction market tied to a future public product release can be analysed as a wagering-style instrument under German gambling rules, while the US **CFTC** has jurisdictional reach if the venue or participants fall within US derivatives or event-contract touchpoints. Traders should watch Anthropic launch posts, product pages, API changelogs, and partner-platform listings for any Opus-named rollout before 31 July 2026; a public availability notice, not just a teaser or prerelease note, is the key catalyst for settlement.[2][6]
Methodology
This overview of Next Claude Opus released on 2026? reviews the four comparable platforms from a regulatory perspective: which is accessible in your jurisdiction, where KYC kicks in, how the platform is classified by your country of residence. Live probability is the Polymarket mid; comparison columns show regulatory status, KYC thresholds and settlement options for each platform.
Resolution & payout
On Polymarket, resolution runs on-chain via UMA Optimistic Oracle. USDC payout is instant and automatic, with no KYC. Tax treatment depends on your jurisdiction — in the US, gains are usually ordinary income; in the UK, often capital gains. Consult a tax professional for your situation.
FAQ
- Is Polymarket legal in my country?
- Polymarket is geo-blocked in the US/UK/EU. Actual usage via the Polymarket interface is not possible there. The legal status itself varies — many countries treat prediction markets as a gray area. Polymarket Legal UK has a different geo footprint.
- How are winnings taxed?
- Tax treatment varies by jurisdiction. In most countries, prediction market gains are treated as ordinary income or capital gains. We cannot provide tax advice — consult a tax professional for your specific situation.
- Can I trade anonymously?
- Pseudonymously, yes — up to the KYC threshold. Polymarket Legal UK stores an email address and wallet addresses rather than a legal name. Over $1,500 lifetime volume triggers KYC, after which identity is no longer anonymous.
- What happens during a tax audit?
- You're responsible for documenting your trades. Polymarket Legal UK exports a full transaction history (CSV/PDF) for tax reporting. In an audit you'll need to present these documents.
- Is there a withdrawal cap?
- No platform-side cap. You can withdraw any amount provided KYC is complete. SEPA bank withdrawals over €15,000 trigger additional anti-money-laundering checks (statutory obligation for all platforms).
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