Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Trump 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 |
|---|---|
| Completed Match | 100% |
| Roehampton: Anton Matusevich vs Oliver Tarvet Match O/U 21.5 | 100% |
| Roehampton: Anton Matusevich vs Oliver Tarvet Set 2 Winner | 100% |
| Roehampton: Anton Matusevich vs Oliver Tarvet Total Sets: O/U 2.5 | 100% |
| Roehampton: Anton Matusevich vs Oliver Tarvet Match O/U 22.5 | 100% |
| Roehampton: Anton Matusevich vs Oliver Tarvet Match O/U 23.5 | 100% |
| Roehampton: Anton Matusevich vs Oliver Tarvet | 0% |
| Roehampton: Anton Matusevich vs Oliver Tarvet Set 1 O/U 8.5 | 0% |
| Roehampton: Anton Matusevich vs Oliver Tarvet Set 2 O/U 8.5 | 0% |
| Roehampton: Anton Matusevich vs Oliver Tarvet Set 1 Winner | 0% |
| Roehampton: Anton Matusevich vs Oliver Tarvet Set Handicap +/-1.5 | 0% |
| Roehampton: Anton Matusevich vs Oliver Tarvet Set 2 O/U 9.5 | 0% |
| Roehampton: Anton Matusevich vs Oliver Tarvet Set 1 O/U 9.5 | 0% |
| Roehampton: Anton Matusevich vs Oliver Tarvet Set Handicap +/-1.5 | 0% |
| Roehampton: Anton Matusevich vs Oliver Tarvet Set 2 O/U 10.5 | 0% |
| Roehampton: Anton Matusevich vs Oliver Tarvet Set 1 O/U 10.5 | 0% |
Market context
A first-round match between Anton Matusevich and Oliver Tarvet is scheduled for the Roehampton tournament on 21 August 2026. The 0% implied probability reflects the absence of reliable historical data on both players' recent form, ranking trajectories, and head-to-head records at this stage of their careers. Neither player has established a consistent presence in major ATP or Challenger draws that would anchor conventional forecasting models, making the market effectively uninformed rather than bearish on either competitor.
The settlement window closes on 28 August 2026, allowing a seven-day buffer beyond the scheduled date. Traders should monitor ATP Challenger and qualifying draws in the weeks preceding Roehampton to assess whether either player has secured a seeding or direct entry, which would signal recent tournament performance and ranking momentum. Court surface preference—Roehampton typically features grass courts—matters significantly for players with limited grass-court exposure. Any withdrawal announcements, injury disclosures, or late-stage ranking shifts in the ATP standings will reshape the match dynamics materially.
The current probability distribution suggests the market lacks sufficient liquidity or participant confidence to price either player. Early trading activity, once the draw is confirmed and player form becomes visible through July 2026 tournaments, will likely establish a meaningful baseline. Watch for qualifying results and any ATP Challenger wins that would indicate which player enters Roehampton with momentum.
Methodology
Political prediction markets differ structurally from sports betting: thinner liquidity, longer settlement windows, higher sensitivity to single news events. This page shows the live Polymarket quote for Roehampton: Anton Matusevich vs Oliver Tarvet plus platform attributes for the three reference venues, so you can see at a glance where the deepest market for this question sits.
Resolution & payout
For political markets the resolution source is decisive. Polymarket defines a concrete source per contract (e.g. AP, Reuters, official electoral commission) and uses the UMA Optimistic Oracle as the on-chain dispute mechanism. With a clearly defined outcome the USDC payout lands within minutes of the final confirmation.
UK Frequently Asked Questions
- How accurate are political prediction markets?
- Historically more accurate than polls. Polymarket's Brier score on US 2024 elections was ~0.11 — better than 538 (~0.14) and every mainstream poll. Markets aggregate information with real skin in the game.
- What resolution source is used for elections?
- Polymarket defines the source per contract — usually Associated Press (AP Race Call), Reuters or the official electoral commission. The source is stated in contract details before the market opens.
- Can prediction markets influence election outcomes?
- Markets reflect expectations rather than create them. Studies show public-facing markets can anchor expectations, but don't influence the underlying outcome. Political markets are information, not advocacy.
- Why do Polymarket and Kalshi differ on elections?
- Kalshi must follow CFTC compliance — strict definitions, clear resolution sources, US citizens only with KYC. Polymarket operates globally without CFTC oversight — deeper liquidity, but also higher regulatory risk.
- Are UK election prediction markets available from the UK?
- Yes. Betfair Exchange and Smarkets offer UKGC-regulated UK election markets (seat counts, party share, constituency results). Polymarket also lists UK election contracts with deeper global liquidity. Betfair winnings are typically tax-free for UK individuals; Polymarket profits are subject to HMRC CGT.
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