Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Is Kalshi Legit) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Roehampton: Radu Albot vs Constantin Bittoun Kouzmine | 100% |
| Completed Match | 100% |
| Roehampton: Radu Albot vs Constantin Bittoun Kouzmine Set 2 Winner | 100% |
| Roehampton: Radu Albot vs Constantin Bittoun Kouzmine Set 1 Winner | 100% |
| Roehampton: Radu Albot vs Constantin Bittoun Kouzmine Set Handicap +/-1.5 | 100% |
| Roehampton: Radu Albot vs Constantin Bittoun Kouzmine Set 2 O/U 8.5 | 0% |
| Roehampton: Radu Albot vs Constantin Bittoun Kouzmine Total Sets: O/U 2.5 | 0% |
| Roehampton: Radu Albot vs Constantin Bittoun Kouzmine Set 1 O/U 8.5 | 0% |
| Roehampton: Radu Albot vs Constantin Bittoun Kouzmine Match O/U 21.5 | 0% |
| Roehampton: Radu Albot vs Constantin Bittoun Kouzmine Set 2 O/U 9.5 | 0% |
| Roehampton: Radu Albot vs Constantin Bittoun Kouzmine Set 1 O/U 9.5 | 0% |
| Roehampton: Radu Albot vs Constantin Bittoun Kouzmine Match O/U 22.5 | 0% |
| Roehampton: Radu Albot vs Constantin Bittoun Kouzmine Set Handicap +/-1.5 | 0% |
| Roehampton: Radu Albot vs Constantin Bittoun Kouzmine Set 2 O/U 10.5 | 0% |
| Roehampton: Radu Albot vs Constantin Bittoun Kouzmine Set 1 O/U 10.5 | 0% |
| Roehampton: Radu Albot vs Constantin Bittoun Kouzmine Match O/U 23.5 | 0% |
Market context
Radu Albot, the Moldovan professional ranked outside the top 200, faces Constantin Bittoun Kouzmine, a French-Israeli player competing at Roehampton in August 2026. The match was originally scheduled for 18 August at 09:00 ET, with settlement occurring by 25 August. The 100% crowd probability reflects either strong conviction in Albot's advancement or minimal liquidity in early-stage wagering; such extreme readings often signal sparse trading volume rather than certainty about the outcome.
Historical precedent from lower-tier ATP and ITF matchups shows that when unseeded players meet at grass-court events, upsets occur at roughly 35–40% frequency depending on ranking differential and recent form. Albot's career record against comparable opponents and Bittoun Kouzmine's surface preference will determine whether the current odds hold. Comparable Roehampton qualifying rounds have seen favourites fail to advance when fatigue from preceding rounds or weather interruptions compressed preparation time.
Traders should monitor official ATP and Roehampton draw confirmations as the tournament date approaches, particularly any withdrawal announcements or schedule changes that might trigger the 50-50 tie-break clause if play extends beyond seven days without completion. Under German GlüStV regulations, this market remains accessible to EU participants provided the operator holds appropriate licensing. US CFTC oversight applies only if the platform is registered as a derivatives exchange; most prediction markets operating under the $1,500 no-KYC threshold in certain jurisdictions do so via exemptions that exclude sports-outcome contracts from full registration requirements. Confirmation of the match's actual staging and result publication through official tennis databases will determine settlement.
Methodology
This overview of Roehampton: Radu Albot vs Constantin Bittoun Kouzmine 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. Is Kalshi Legit 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.
- What happens during a tax audit?
- You're responsible for documenting your trades. Is Kalshi Legit exports a full transaction history (CSV/PDF) for tax reporting. In an audit you'll need to present these documents.
- 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.
- What if regulation changes?
- If regulation changes in your jurisdiction (e.g. prediction markets are banned), Is Kalshi Legit would geo-block the affected region and continue processing withdrawals. Your funds remain withdrawable at any time.
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