Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
68% | 32% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
68% | 32% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| National Bank Open: Elina Svitolina vs Jessica Bouzas Maneiro Set 2 Winner | 68% |
| National Bank Open: Elina Svitolina vs Jessica Bouzas Maneiro Total Sets: O/U 2.5 | 61% |
| National Bank Open: Elina Svitolina vs Jessica Bouzas Maneiro | 56% |
| Completed Match | 50% |
| National Bank Open: Elina Svitolina vs Jessica Bouzas Maneiro Set 1 O/U 8.5 | 50% |
| National Bank Open: Elina Svitolina vs Jessica Bouzas Maneiro Set 2 O/U 8.5 | 50% |
| National Bank Open: Elina Svitolina vs Jessica Bouzas Maneiro Match O/U 21.5 | 50% |
| National Bank Open: Elina Svitolina vs Jessica Bouzas Maneiro Set 1 O/U 9.5 | 50% |
| National Bank Open: Elina Svitolina vs Jessica Bouzas Maneiro Set 2 O/U 9.5 | 50% |
| National Bank Open: Elina Svitolina vs Jessica Bouzas Maneiro Set 1 O/U 10.5 | 50% |
| National Bank Open: Elina Svitolina vs Jessica Bouzas Maneiro Match O/U 22.5 | 50% |
| National Bank Open: Elina Svitolina vs Jessica Bouzas Maneiro Set 2 O/U 10.5 | 50% |
| National Bank Open: Elina Svitolina vs Jessica Bouzas Maneiro Match O/U 23.5 | 50% |
| National Bank Open: Elina Svitolina vs Jessica Bouzas Maneiro Set 1 Winner | 18% |
| National Bank Open: Elina Svitolina vs Jessica Bouzas Maneiro Set Handicap +/-1.5 | 10% |
Market context
Elina Svitolina’s meeting with Jessica Bouzas Maneiro at the National Bank Open is priced as a clear Svitolina edge, with the market implying an 83% chance that she advances. That sits broadly in line with the tennis record: Svitolina leads their head-to-head 3-0 and has not dropped a set in those meetings, including straight-sets wins in Cincinnati in 2024 and again in Rome in May 2025.[2][3][10]
For context, Svitolina has also been strong at this event historically, reaching at least the quarter-finals four times and winning the Toronto title in 2017, while one recent match guide said she was 12-0 against outside top-50 opponents on hard courts this season.[3] Bouzas Maneiro is a less proven WTA 1000 runner, but she has shown upset potential, beating top-10 players in her career and reaching the third round at several 1000-level events last year.[3] That combination usually supports a favourite-heavy price unless the draw, surface or fitness news shifts the balance.
The key catalysts are simple: whether the match starts on schedule, whether either player withdraws or is delayed, and whether any late order-of-play changes push the contest past the contract’s 7-day settlement rule. The market’s on-chain USDC payout should track the official result rather than live score volatility, so traders will usually care more about confirmed tournament updates than in-play swings. If broader crypto risk is relevant, BTC and ETH spot direction can affect liquidity and risk appetite across prediction markets, but the contract itself resolves only off the tennis outcome and timing.
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — sit alongside as off-chain reference points so you can see how the contract translates across regulatory and settlement regimes.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
FAQ
- What does a transaction cost on Polygon?
- Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.
- Can I use Bitcoin directly?
- No, Polymarket operates exclusively in USDC on Polygon. You can bridge BTC to USDC via an exchange or bridge service and deposit on Polygon — typically 10-30 minutes processing time.
- How does UMA secure the resolution?
- The UMA Optimistic Oracle uses a bond system: a proposer posts a bond, a two-hour challenge window opens. On dispute the losing side forfeits the bond — financial incentive for honest resolution.
- How volatile are crypto prediction markets?
- Crypto markets react to spot prices — a 5% BTC move typically shifts a "BTC above X by date" market 10-20%. Polymarket crypto market liquidity is usually six-figure USD, sufficient for active trading.
- Which crypto markets exist on Polymarket?
- Currently active markets include BTC/ETH/SOL price targets, halving dates, ETF approvals, hard-fork outcomes and Layer-2 TVL thresholds. The list updates weekly; biggest volume sits on BTC and ETH price forecasts.
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