Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| Completed Match | 100% |
| National Bank Open: Anhelina Kalinina vs Anna Bondar Match O/U 21.5 | 100% |
| National Bank Open: Anhelina Kalinina vs Anna Bondar Set 1 O/U 8.5 | 100% |
| National Bank Open: Anhelina Kalinina vs Anna Bondar Set 2 O/U 8.5 | 100% |
| National Bank Open: Anhelina Kalinina vs Anna Bondar Set Handicap +/-1.5 | 100% |
| National Bank Open: Anhelina Kalinina vs Anna Bondar Set 1 O/U 9.5 | 100% |
| National Bank Open: Anhelina Kalinina vs Anna Bondar Set 2 O/U 9.5 | 100% |
| National Bank Open: Anhelina Kalinina vs Anna Bondar Set 2 O/U 10.5 | 100% |
| National Bank Open: Anhelina Kalinina vs Anna Bondar | 0% |
| National Bank Open: Anhelina Kalinina vs Anna Bondar Total Sets: O/U 2.5 | 0% |
| National Bank Open: Anhelina Kalinina vs Anna Bondar Set 1 Winner | 0% |
| National Bank Open: Anhelina Kalinina vs Anna Bondar Set 2 Winner | 0% |
| National Bank Open: Anhelina Kalinina vs Anna Bondar Set Handicap +/-1.5 | 0% |
| National Bank Open: Anhelina Kalinina vs Anna Bondar Match O/U 22.5 | 0% |
| National Bank Open: Anhelina Kalinina vs Anna Bondar Match O/U 23.5 | 0% |
| National Bank Open: Anhelina Kalinina vs Anna Bondar Set 1 O/U 10.5 | 0% |
Market context
Anhelina Kalinina and Anna Bondar are scheduled to meet at the National Bank Open, but the market is currently pricing **0% YES**, which implies the event is being treated as effectively unresolved or extremely unlikely to produce a normal winner before settlement. For a USDC-settled prediction market, the key distinction is not who looks stronger on paper but whether the match is actually completed in a way that produces a clear advancement outcome before the 7-day timeout; if not, the contract can fall back to 50-50 under the market rules.
The historical read is mixed but slightly favours Kalinina in the head-to-head. Public match databases show Kalinina leading Bondar 2-1 or 3-1 depending on source coverage, with Kalinina winning their 2023 hard-court meeting and Bondar taking the most recent 2026 Brisbane clash on hard courts[2][5][6][11]. That matters because markets at 0% often reflect mechanics rather than pure tennis probability: if live exchange liquidity is thin, or traders expect a walkover, retirement, or scheduling disruption, the implied price can detach from the on-court edge. In crypto terms, that creates a binary-style dislocation where the contract can trade below a fair sports price if participants focus on settlement risk rather than match quality.
The main catalysts are straightforward: official tournament scheduling updates, any late withdrawal notices, and whether the contest begins and reaches completion before the deadline. Live score and fixture pages already list the pairing, but if the match is postponed, interrupted, or abandoned, settlement can hinge on the market’s specific advancement language rather than the scoreboard alone[1][3][12]. Traders watching the crypto overlay should also track USDC liquidity on the venue where the market trades, because wider spreads and shallow order books can make a 0% print persist even when the underlying tennis event remains live.
Methodology
This page reads National Bank Open: Anhelina Kalinina vs Anna Bondar on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed alongside for venue context. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.
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
- Why USDC and not ETH or USDT?
- USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.
- 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 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.
- Are crypto prediction markets taxable in the US?
- In the US, prediction market gains are typically treated as ordinary income or short-term capital gains depending on holding period. Consult a tax professional for your specific situation — we cannot provide tax advice.
Trade National Bank Open: Anhelina Kalinina vs Anna Bondar on BTC Prediction
Live order book, 0% fees, USDC settlement in seconds.
Open live market →