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: Michael Geerts vs Radu Albot | 100% |
| Completed Match | 100% |
| Roehampton: Michael Geerts vs Radu Albot Set 2 Winner | 100% |
| Roehampton: Michael Geerts vs Radu Albot Total Sets: O/U 2.5 | 100% |
| Roehampton: Michael Geerts vs Radu Albot Set 1 O/U 8.5 | 100% |
| Roehampton: Michael Geerts vs Radu Albot Set 2 O/U 8.5 | 100% |
| Roehampton: Michael Geerts vs Radu Albot Match O/U 21.5 | 100% |
| Roehampton: Michael Geerts vs Radu Albot Match O/U 22.5 | 100% |
| Roehampton: Michael Geerts vs Radu Albot Set 1 O/U 9.5 | 100% |
| Roehampton: Michael Geerts vs Radu Albot Set 2 O/U 9.5 | 100% |
| Roehampton: Michael Geerts vs Radu Albot Match O/U 23.5 | 100% |
| Roehampton: Michael Geerts vs Radu Albot Set 1 Winner | 0% |
| Roehampton: Michael Geerts vs Radu Albot Set Handicap +/-1.5 | 0% |
| Roehampton: Michael Geerts vs Radu Albot Set Handicap +/-1.5 | 0% |
| Roehampton: Michael Geerts vs Radu Albot Set 1 O/U 10.5 | 0% |
| Roehampton: Michael Geerts vs Radu Albot Set 2 O/U 10.5 | 0% |
Market context
Michael Geerts, the Belgian professional tennis player, faces Radu Albot of Moldova in a first-round match at the Roehampton Club tournament, originally scheduled for 19 August 2026. The settlement window closes on 26 August, allowing a seven-day buffer beyond the match date to account for delays or rescheduling. The current crowd-implied probability of 100% for Geerts reflects either significant backing or limited liquidity; such extreme readings often signal either high confidence in a particular outcome or sparse trading activity that fails to establish a balanced market.
Comparable grass-court upsets at Roehampton and similar warm-up events show that seeding and ranking disparities matter less on fast surfaces than on clay. Albot, now in his late thirties, has competed sporadically in recent seasons, whilst Geerts represents the younger generation of Belgian talent. Historical precedent suggests that when one player carries substantially higher current ranking or recent match fitness, the market typically reflects that advantage—though 100% probability leaves no room for upset scenarios, injury walkovers, or administrative cancellations that would trigger the 50-50 resolution clause.
Traders should monitor official ATP and tournament announcements regarding court assignments, weather delays, or player withdrawals in the week preceding 19 August. Grass-court tournaments frequently experience schedule compression due to weather, potentially pushing matches beyond the scheduled time. Any announcement of Albot's withdrawal or injury would likely confirm the Geerts outcome before play, whilst a last-minute court reassignment or rain postponement extending past 26 August would invoke the tie resolution. Current betting markets and ATP rankings as of early August will provide real-time calibration against the 100% reading.
Methodology
This overview of Roehampton: Michael Geerts vs Radu Albot 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
- 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. Is Kalshi Legit 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).
- 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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