Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Trump Prediction) Pick polygram.ink (preferred broker) |
70% | 30% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
70% | 30% | 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 |
|---|---|
| National Bank Open: Alexandra Eala vs Belinda Bencic Set 1 O/U 8.5 | 70% |
| National Bank Open: Alexandra Eala vs Belinda Bencic Match O/U 21.5 | 51% |
| National Bank Open: Alexandra Eala vs Belinda Bencic Set 2 O/U 8.5 | 51% |
| National Bank Open: Alexandra Eala vs Belinda Bencic Set 2 O/U 9.5 | 51% |
| National Bank Open: Alexandra Eala vs Belinda Bencic Set 2 O/U 10.5 | 51% |
| Completed Match | 50% |
| National Bank Open: Alexandra Eala vs Belinda Bencic Set 1 Winner | 50% |
| National Bank Open: Alexandra Eala vs Belinda Bencic Set 1 O/U 9.5 | 50% |
| National Bank Open: Alexandra Eala vs Belinda Bencic | 49% |
| National Bank Open: Alexandra Eala vs Belinda Bencic Set 2 Winner | 49% |
| National Bank Open: Alexandra Eala vs Belinda Bencic Match O/U 22.5 | 45% |
| National Bank Open: Alexandra Eala vs Belinda Bencic Match O/U 23.5 | 41% |
| National Bank Open: Alexandra Eala vs Belinda Bencic Total Sets: O/U 2.5 | 40% |
| National Bank Open: Alexandra Eala vs Belinda Bencic Set Handicap +/-1.5 | 30% |
| National Bank Open: Alexandra Eala vs Belinda Bencic Set 1 O/U 10.5 | 24% |
Market context
Alexandra Eala faces Belinda Bencic in the National Bank Open’s round of 16, with the market sitting close to a coin flip at 49% because the fixture pairs two players who have both arrived with strong but different recent form. Eala has produced a 59.4% win rate over the past 52 weeks, while Bencic’s figure is higher at 72.5%, and the WTA listing shows Bencic as the higher-ranked player at No. 14 versus Eala at No. 20.[1][11]
There is no tour-level head-to-head to anchor the pricing, so traders are leaning on broader form and surface performance rather than a direct matchup history.[4][12][14] Comparable cases in tennis markets with no prior meeting often trade near 50-50 until a live favourite emerges from recent results, draw quality, and court-speed fit; here, that leaves the current probability sensitive to whichever player’s recent hard-court level is treated as the better baseline.[1][4][10]
The main catalyst is whether tournament scheduling and pre-match reports confirm both players are ready to take the court on the published timeline, because the market resolves to 50-50 if the match is not played, ends level, or is delayed beyond the seven-day window.[11][12] Recent Toronto coverage has also highlighted Eala’s run of consecutive wins in the event, which supports the case for price movement if she starts strongly, while Bencic’s steadier season numbers and stronger serve-return profile remain the main counterweight if the market reacts to form over ranking.[4][16]
Methodology
This page tracks National Bank Open: Alexandra Eala vs Belinda Bencic across four political prediction venues. Live odds come from the Polymarket order book (the deepest political prediction-market book). Kalshi is the CFTC-regulated US alternative, Betfair the established UK sports-exchange with politics markets, Manifold the open play-money variant. For users geo-blocked from Polymarket directly, brokers like Trump Prediction provide a 0%-fee route into the same order book.
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.
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.
- 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.
Trade National Bank Open: Alexandra Eala vs Belinda Bencic on Trump Prediction
Live order book, 0% fees, USDC settlement in seconds.
Open live market →