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 |
|---|---|
| Iasi Open: Oleksandra Oliynykova vs Elena Pridankina | 100% |
| Completed Match | 100% |
| Iasi Open: Oleksandra Oliynykova vs Elena Pridankina Set 1 Winner | 100% |
| Iasi Open: Oleksandra Oliynykova vs Elena Pridankina Set 2 Winner | 100% |
| Iasi Open: Oleksandra Oliynykova vs Elena Pridankina Set Handicap +/-1.5 | 100% |
| Iasi Open: Oleksandra Oliynykova vs Elena Pridankina Set 1 O/U 8.5 | 0% |
| Iasi Open: Oleksandra Oliynykova vs Elena Pridankina Total Sets: O/U 2.5 | 0% |
| Iasi Open: Oleksandra Oliynykova vs Elena Pridankina Set 2 O/U 8.5 | 0% |
| Iasi Open: Oleksandra Oliynykova vs Elena Pridankina Match O/U 21.5 | 0% |
| Iasi Open: Oleksandra Oliynykova vs Elena Pridankina Set 1 O/U 9.5 | 0% |
| Iasi Open: Oleksandra Oliynykova vs Elena Pridankina Set 2 O/U 9.5 | 0% |
| Iasi Open: Oleksandra Oliynykova vs Elena Pridankina Match O/U 22.5 | 0% |
| Iasi Open: Oleksandra Oliynykova vs Elena Pridankina Set Handicap +/-1.5 | 0% |
| Iasi Open: Oleksandra Oliynykova vs Elena Pridankina Set 1 O/U 10.5 | 0% |
| Iasi Open: Oleksandra Oliynykova vs Elena Pridankina Set 2 O/U 10.5 | 0% |
| Iasi Open: Oleksandra Oliynykova vs Elena Pridankina Match O/U 23.5 | 0% |
Market context
Oleksandra Oliynykova has already defeated Elena Pridankina in the second round of the Iasi Open, securing a 6–1, 6–2 victory on Thursday to advance to the quarter-finals against Clara Burel. The match, originally scheduled for 16 July 2026, was completed ahead of the settlement window, rendering the 100% YES crowd-implied probability a factual certainty rather than a speculative forecast.
Historical precedents in prediction markets show that when a sporting event concludes before the settlement deadline, markets with near-total confidence typically resolve immediately without volatility. Comparable cases from recent tennis tournaments confirm that once a winner is confirmed via official scorelines, probability collapses to 100% for the advancing player, eliminating any risk of the 50–50 cancellation clause triggering.
Traders should monitor the official Iasi Open results page and Tennis Tonic for confirmation of Oliynykova’s quarter-final status against Burel, as this validates the market’s resolution. No further catalysts such as schedule changes or declarations apply, given the match’s completion; the sole dependency is the formal recording of the result by the tournament organiser, which has already occurred.
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 Iasi Open: Oleksandra Oliynykova vs Elena Pridankina 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.
FAQ
- 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 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.
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