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% |
| Kingston: Joel Schwaerzler vs Kenta Miyoshi Set 2 O/U 8.5 | 100% |
| Kingston: Joel Schwaerzler vs Kenta Miyoshi Set Handicap +/-1.5 | 100% |
| Kingston: Joel Schwaerzler vs Kenta Miyoshi Set 2 O/U 9.5 | 100% |
| Kingston: Joel Schwaerzler vs Kenta Miyoshi Set 2 O/U 10.5 | 100% |
| Kingston: Joel Schwaerzler vs Kenta Miyoshi | 0% |
| Kingston: Joel Schwaerzler vs Kenta Miyoshi Set 1 Winner | 0% |
| Kingston: Joel Schwaerzler vs Kenta Miyoshi Set 2 Winner | 0% |
| Kingston: Joel Schwaerzler vs Kenta Miyoshi Set 1 O/U 8.5 | 0% |
| Kingston: Joel Schwaerzler vs Kenta Miyoshi Match O/U 21.5 | 0% |
| Kingston: Joel Schwaerzler vs Kenta Miyoshi Set Handicap +/-1.5 | 0% |
| Kingston: Joel Schwaerzler vs Kenta Miyoshi Total Sets: O/U 2.5 | 0% |
| Kingston: Joel Schwaerzler vs Kenta Miyoshi Match O/U 22.5 | 0% |
| Kingston: Joel Schwaerzler vs Kenta Miyoshi Set 1 O/U 9.5 | 0% |
| Kingston: Joel Schwaerzler vs Kenta Miyoshi Set 1 O/U 10.5 | 0% |
| Kingston: Joel Schwaerzler vs Kenta Miyoshi Match O/U 23.5 | 0% |
Market context
Joel Schwaerzler and Kenta Miyoshi were due to meet in Kingston on 18 August 2026, but the match has shown signs of being delayed or left incomplete, with live listings and order-of-play pages still tracking it rather than confirming a finished result. The market’s 0% YES price appears to lean on the risk that the scheduled contest does not produce a clean advance for Schwaerzler before the settlement window closes.
In historical terms, challenger-level hard-court matches that are postponed, suspended or not completed often pull these markets back towards the tied outcome rather than a binary win, especially when the draw is tight and there is no clear official progression. Schwaerzler is the higher-ranked player on the available listings, but pre-match prices were close, with several outlets giving Miyoshi a narrow edge, which fits a market that remains highly sensitive to any interruption rather than one already priced for a routine finish.
The main catalyst to watch is whether tournament organisers confirm the match time, resume play, or publish an official advancement on the Kingston order of play. If the fixture slips beyond seven days from the scheduled date without a winner, or is abandoned altogether, the market resolves 50-50; if one player is formally awarded the match, that result should drive settlement. Recent live scoreboard pages and order-of-play updates are the key signals here, rather than broader tour form.
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 Kingston: Joel Schwaerzler vs Kenta Miyoshi 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
- 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.
- 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 Trump Prediction 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.
- 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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