Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Tax 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 |
|---|---|
| Completed Match | 100% |
| Bloomfield Hills: Thanasi Kokkinakis vs Adam Walton Set 1 Winner | 100% |
| Bloomfield Hills: Thanasi Kokkinakis vs Adam Walton Total Sets: O/U 2.5 | 100% |
| Bloomfield Hills: Thanasi Kokkinakis vs Adam Walton Set 2 O/U 8.5 | 100% |
| Bloomfield Hills: Thanasi Kokkinakis vs Adam Walton Match O/U 21.5 | 100% |
| Bloomfield Hills: Thanasi Kokkinakis vs Adam Walton Match O/U 22.5 | 100% |
| Bloomfield Hills: Thanasi Kokkinakis vs Adam Walton Match O/U 23.5 | 100% |
| Bloomfield Hills: Thanasi Kokkinakis vs Adam Walton | 0% |
| Bloomfield Hills: Thanasi Kokkinakis vs Adam Walton Set 2 Winner | 0% |
| Bloomfield Hills: Thanasi Kokkinakis vs Adam Walton Set 1 O/U 8.5 | 0% |
| Bloomfield Hills: Thanasi Kokkinakis vs Adam Walton Set Handicap +/-1.5 | 0% |
| Bloomfield Hills: Thanasi Kokkinakis vs Adam Walton Set 1 O/U 9.5 | 0% |
| Bloomfield Hills: Thanasi Kokkinakis vs Adam Walton Set Handicap +/-1.5 | 0% |
| Bloomfield Hills: Thanasi Kokkinakis vs Adam Walton Set 2 O/U 9.5 | 0% |
| Bloomfield Hills: Thanasi Kokkinakis vs Adam Walton Set 1 O/U 10.5 | 0% |
| Bloomfield Hills: Thanasi Kokkinakis vs Adam Walton Set 2 O/U 10.5 | 0% |
Market context
Thanasi Kokkinakis against Adam Walton in Bloomfield Hills is the underlying event, and the market is pricing whether Kokkinakis or Walton ultimately advances from that match. A crowd-implied **0% YES** is an extreme reading that usually reflects either stale information, a mismatch in perceived strength, or market scepticism about the event’s being resolved in the YES direction before settlement; Tennis Tonic’s preview also pointed to Walton as the initial odds-on side, which is consistent with a lopsided but still live tennis market rather than a clear no-event case.[2][1]
For context, tennis head-to-head markets can move sharply on late withdrawals, court-order changes, or scoreline interruptions, because the resolution language here only turns to 50-50 if the match is cancelled, ends level, or is delayed beyond seven days without a winner. That matters for reading the current price: the main catalyst is not just who is favoured on the day, but whether the match is actually played to a completed result before the settlement window closes on 29 July 2026.[2]
For accessibility and compliance, this is the kind of market where **no-KYC up to $1,500** means smaller participation can be available without full identity checks, but that does not remove platform or venue-level restrictions. The German **GlüStV** framework is relevant because it can affect whether a resident can legally access or use such wagering-style products, while US **CFTC** reach is relevant where a contract may be viewed as a derivative or event-based market subject to US oversight; those regimes shape access and enforcement, even when the market itself is set up as a simple tennis-resolution contract.
Methodology
This overview of Bloomfield Hills: Thanasi Kokkinakis vs Adam Walton 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 Tax 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 Tax 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.
- Are prediction markets gambling?
- Legally unclear in most jurisdictions. Some interpretations classify them as wagering (gambling regulation applies), others as derivatives (financial regulation applies). There's no global precedent specifically for on-chain prediction markets.
- 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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