Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Election Predictions UK) Pick polygram.ink (preferred broker) |
70% | 30% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
70% | 30% | 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 |
|---|---|
| Mubadala Citi DC Open: Alexandra Eala vs Elina Svitolina Set 1 O/U 8.5 | 70% |
| Mubadala Citi DC Open: Alexandra Eala vs Elina Svitolina Set 1 O/U 9.5 | 55% |
| Mubadala Citi DC Open: Alexandra Eala vs Elina Svitolina Match O/U 21.5 | 52% |
| Completed Match | 50% |
| Mubadala Citi DC Open: Alexandra Eala vs Elina Svitolina Set 2 O/U 8.5 | 50% |
| Mubadala Citi DC Open: Alexandra Eala vs Elina Svitolina Set 2 O/U 9.5 | 50% |
| Mubadala Citi DC Open: Alexandra Eala vs Elina Svitolina Set 2 O/U 10.5 | 50% |
| Mubadala Citi DC Open: Alexandra Eala vs Elina Svitolina Match O/U 23.5 | 50% |
| Mubadala Citi DC Open: Alexandra Eala vs Elina Svitolina Match O/U 22.5 | 46% |
| Mubadala Citi DC Open: Alexandra Eala vs Elina Svitolina Set 1 Winner | 45% |
| Mubadala Citi DC Open: Alexandra Eala vs Elina Svitolina | 43% |
| Mubadala Citi DC Open: Alexandra Eala vs Elina Svitolina Set 2 Winner | 43% |
| Mubadala Citi DC Open: Alexandra Eala vs Elina Svitolina Total Sets: O/U 2.5 | 41% |
| Mubadala Citi DC Open: Alexandra Eala vs Elina Svitolina Set Handicap +/-1.5 | 37% |
| Mubadala Citi DC Open: Alexandra Eala vs Elina Svitolina Set 1 O/U 10.5 | 23% |
Market context
Alexandra Eala’s quarter-final against Elina Svitolina at the Mubadala Citi DC Open is the event behind the market, with the price implying a narrow edge to Svitolina at 42% for Eala. That sits close to the kind of near-even read you often see when a lower-ranked player has already beaten a top seed in a recent head-to-head: Eala leads 1-0 overall after her straight-sets win over Svitolina in Berlin in June, but that was on grass, not Washington’s outdoor hard court.[3][7][20]
For comparison, this is not a clean upset-versus-favourite setup. WTA match notes list Svitolina at No. 10 and Eala at No. 28, and both have already proven they can handle the stage at this event level.[7] Svitolina’s larger body of top-level results and higher ranking support her nominal favouritism, while Eala’s head-to-head edge, plus the fact that she already took the pair’s only previous meeting in straight sets, is the main reason the market is not pricing her as a clear outsider.[7][10][13]
The key catalyst for traders is whether the market keeps leaning on the Berlin rematch angle or shifts towards surface-and-fitness considerations. WTA and match-note coverage frames this as a hard-court adjustment test, with Svitolina needing to solve Eala’s left-handed aggression and Eala needing to reproduce the same front-foot level she showed in Berlin.[3][7][16] If the match is completed, movement should follow any pre-match confirmation on form, line-ups, or a late withdrawal; if it is delayed or abandoned beyond the market’s resolution window, the contract falls back to 50-50 under the stated rules.
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 Mubadala Citi DC Open: Alexandra Eala vs Elina Svitolina 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
Political markets typically settle on official candidate or agency confirmation. Polymarket uses UMA Optimistic Oracle: a proposer posts the outcome with a bond, the two-hour window opens, then the smart contract pays USDC.
Kalshi settles USD via CFTC clearinghouse, with clearly defined resolution sources (e.g. AP race calls for elections). Betfair settles after the official outcome is registered with the league or agency. Manifold is play-money.
FAQ
- 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.
- Are political prediction markets legal in my country?
- It varies. They sit in legal gray areas in most jurisdictions. Polymarket is geo-blocked from US/UK/EU; some broker frontends have a different geo footprint. Trade only with capital you can afford to lose, and only if you understand the legal status in your jurisdiction.
- 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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