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 |
|---|---|
| Mubadala Citi DC Open: Emma Navarro vs Sofia Kenin Set 1 Winner | 100% |
| Mubadala Citi DC Open: Emma Navarro vs Sofia Kenin | 80% |
| Mubadala Citi DC Open: Emma Navarro vs Sofia Kenin Match O/U 21.5 | 74% |
| Mubadala Citi DC Open: Emma Navarro vs Sofia Kenin Total Sets: O/U 2.5 | 57% |
| Mubadala Citi DC Open: Emma Navarro vs Sofia Kenin Set 2 O/U 10.5 | 51% |
| Completed Match | 50% |
| Mubadala Citi DC Open: Emma Navarro vs Sofia Kenin Set 2 O/U 8.5 | 50% |
| Mubadala Citi DC Open: Emma Navarro vs Sofia Kenin Match O/U 22.5 | 50% |
| Mubadala Citi DC Open: Emma Navarro vs Sofia Kenin Set 2 O/U 9.5 | 50% |
| Mubadala Citi DC Open: Emma Navarro vs Sofia Kenin Match O/U 23.5 | 40% |
| Mubadala Citi DC Open: Emma Navarro vs Sofia Kenin Set 2 Winner | 18% |
| Mubadala Citi DC Open: Emma Navarro vs Sofia Kenin Set Handicap +/-1.5 | 17% |
| Mubadala Citi DC Open: Emma Navarro vs Sofia Kenin Set Handicap +/-1.5 | 5% |
| Mubadala Citi DC Open: Emma Navarro vs Sofia Kenin Set 1 O/U 8.5 | 0% |
| Mubadala Citi DC Open: Emma Navarro vs Sofia Kenin Set 1 O/U 9.5 | 0% |
| Mubadala Citi DC Open: Emma Navarro vs Sofia Kenin Set 1 O/U 10.5 | 0% |
Market context
Emma Navarro faces Sofia Kenin in a first-round match at the Mubadala Citi DC Open, scheduled for 27 July 2026. The market currently prices Navarro's advancement at 80%, reflecting her ranking trajectory and recent form relative to Kenin's injury history and comeback status. Settlement occurs on 3 August 2026 at 14:00 UTC, allowing a week-long window for match completion; any cancellation, tie, or delay beyond seven days triggers a 50-50 split resolution.
Navarro's probability premium aligns with her ascent into the top 20 rankings during 2025–2026, whilst Kenin has struggled with consistency following shoulder injuries that disrupted her 2024 season. Head-to-head records favour Navarro in recent encounters, though Kenin's Grand Slam pedigree and hard-court experience remain relevant. Comparable WTA first-round matchups between rising players and injury-returning veterans typically settle near 75–85% for the higher-ranked competitor, placing this market's current odds within historical norms.
Traders should monitor official WTA scheduling confirmations and any late withdrawal announcements through the tournament's official channels. Weather disruptions in Washington, D.C. during late July could compress the match window, though the seven-day buffer mitigates scheduling risk. Kenin's pre-tournament fitness updates and practice-session reports will signal confidence levels; any withdrawal or retirement during the match triggers the 50-50 clause, creating tail-risk scenarios that USDC settlement will honour regardless of on-chain volatility.
Methodology
This page reads Mubadala Citi DC Open: Emma Navarro vs Sofia Kenin 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
- What are crypto prediction markets?
- Crypto prediction markets are on-chain smart contracts where you buy YES or NO shares on a future crypto event (e.g. "BTC above $100k by year-end"). The market price between 0¢ and 100¢ is the implied probability.
- 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.
- 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.
- 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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