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 |
|---|---|
| Wimbledon WTA: Janice Tjen vs Daria Kasatkina Set 1 Winner | 100% |
| Wimbledon WTA: Janice Tjen vs Daria Kasatkina Set 1 O/U 8.5 | 100% |
| Wimbledon WTA: Janice Tjen vs Daria Kasatkina Set 1 O/U 9.5 | 100% |
| Wimbledon WTA: Janice Tjen vs Daria Kasatkina Set 1 O/U 10.5 | 100% |
| Wimbledon WTA: Janice Tjen vs Daria Kasatkina Match O/U 21.5 | 99% |
| Wimbledon WTA: Janice Tjen vs Daria Kasatkina Match O/U 23.5 | 99% |
| Wimbledon WTA: Janice Tjen vs Daria Kasatkina Match O/U 22.5 | 99% |
| Wimbledon WTA: Janice Tjen vs Daria Kasatkina Total Sets: O/U 2.5 | 75% |
| Completed Match | 50% |
| Wimbledon WTA: Janice Tjen vs Daria Kasatkina | 38% |
| Wimbledon WTA: Janice Tjen vs Daria Kasatkina Set Handicap +/-1.5 | 4% |
| Wimbledon WTA: Janice Tjen vs Daria Kasatkina Set 2 O/U 8.5 | 0% |
| Wimbledon WTA: Janice Tjen vs Daria Kasatkina Set 2 O/U 9.5 | 0% |
| Wimbledon WTA: Janice Tjen vs Daria Kasatkina Set 2 O/U 10.5 | 0% |
| Wimbledon WTA: Janice Tjen vs Daria Kasatkina Set 2 Winner | 0% |
Market context
Janice Tjen faces Daria Kasatkina in the second round of the 2026 Wimbledon WTA, a match originally set for 6:00 AM ET on 1 July 2026. The prediction market currently implies a 50-50 split, yet moneyline odds from Bleacher Nation favour Kasatkina at 55.6% against Tjen’s 44.4%, reflecting her -125 price versus Tjen’s +100 [1]. Tjen has not conceded a set this tournament and upset a No. 24 seed in her opener, while Kasatkina has already dropped one set [2][6].
Historically, 50% implied probabilities in early-round WTA matches at Wimbledon often shift sharply when one player shows superior set efficiency or aces per match; Tjen averages 3.3 aces versus Kasatkina’s 1.8, a key metric that has driven line moves in comparable 2024–2025 contests [1]. In past years, players with unbroken set records and higher ace counts have frequently overturned moneyline favourites in grass-court second rounds, suggesting the current 50% may underprice Tjen’s momentum.
Traders should monitor the official start time, as delays beyond 7 days trigger a 50-50 resolution, and watch for any injury announcements from either player before the match begins [1]. Kasatkina’s projected win probability sits at 53% on Tennis.com, but Tjen’s 7–16 2026 match record and three top-10 wins in this edition of Wimbledon could catalyse a rapid reprice if she maintains her set dominance [1][2]. On-chain settlement in USDC will reflect these shifts, with BTC/ETH macro volatility potentially influencing whale flows into the contract if the match outcome remains uncertain until the final hour.
Methodology
This page reads Wimbledon WTA: Janice Tjen vs Daria Kasatkina 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.
- 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.
- 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.
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