Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Election Predictions 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 |
|---|---|
| Phan Thiet 3: Philip Sekulic vs Koki Matsuda Set 1 Winner | 100% |
| Phan Thiet 3: Philip Sekulic vs Koki Matsuda Total Sets: O/U 2.5 | 100% |
| Phan Thiet 3: Philip Sekulic vs Koki Matsuda Set 2 O/U 8.5 | 100% |
| Phan Thiet 3: Philip Sekulic vs Koki Matsuda Set 2 O/U 9.5 | 100% |
| Phan Thiet 3: Philip Sekulic vs Koki Matsuda Match O/U 21.5 | 91% |
| Phan Thiet 3: Philip Sekulic vs Koki Matsuda Match O/U 22.5 | 91% |
| Phan Thiet 3: Philip Sekulic vs Koki Matsuda Match O/U 23.5 | 91% |
| Phan Thiet 3: Philip Sekulic vs Koki Matsuda | 61% |
| Completed Match | 51% |
| Phan Thiet 3: Philip Sekulic vs Koki Matsuda Game Spread +/-3.5 | 50% |
| Phan Thiet 3: Philip Sekulic vs Koki Matsuda Set Handicap +/-1.5 | 10% |
| Phan Thiet 3: Philip Sekulic vs Koki Matsuda Set 2 Winner | 0% |
| Phan Thiet 3: Philip Sekulic vs Koki Matsuda Set 1 O/U 8.5 | 0% |
| Phan Thiet 3: Philip Sekulic vs Koki Matsuda Set 1 O/U 9.5 | 0% |
| Phan Thiet 3: Philip Sekulic vs Koki Matsuda Set 1 O/U 10.5 | 0% |
| Phan Thiet 3: Philip Sekulic vs Koki Matsuda Set 2 O/U 10.5 | 0% |
| Phan Thiet 3: Philip Sekulic vs Koki Matsuda Set Handicap +/-1.5 | 0% |
Market context
Traders on decentralised prediction markets give 100% probability to phan thiet 3: philip sekulic vs koki matsuda. This market refers to the tennis match between Philip Sekulic and Koki Matsuda in the Phan Thiet 3, originally scheduled for September 9, 2026 at 11:00PM ET. This market will resolve to 'Philip Sekul…
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 Phan Thiet 3: Philip Sekulic vs Koki Matsuda 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.
- Which platform has the deepest political liquidity?
- Polymarket — by far. US 2024 presidential volume was ~$3.5B vs Kalshi (~$200M) and Betfair (~$120M). Where Polymarket is geo-blocked, brokers like Election Predictions UK route into the same order book at 0% fees.
- How fast do political markets react to news?
- High-liquidity markets move within seconds to minutes. A Trump tweet on the economy can shift the "Trump 2024" market 2-5 points before mainstream media has written anything.
- 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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