Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Best Prediction Markets) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| Mubadala Citi DC Open: Janice Tjen vs Rebecca Sramkova | 100% |
| Completed Match | 100% |
| Mubadala Citi DC Open: Janice Tjen vs Rebecca Sramkova Set 1 Winner | 100% |
| Mubadala Citi DC Open: Janice Tjen vs Rebecca Sramkova Set 2 Winner | 100% |
| Mubadala Citi DC Open: Janice Tjen vs Rebecca Sramkova Set 1 O/U 8.5 | 100% |
| Mubadala Citi DC Open: Janice Tjen vs Rebecca Sramkova Set Handicap +/-1.5 | 100% |
| Mubadala Citi DC Open: Janice Tjen vs Rebecca Sramkova Set 1 O/U 9.5 | 100% |
| Mubadala Citi DC Open: Janice Tjen vs Rebecca Sramkova Total Sets: O/U 2.5 | 0% |
| Mubadala Citi DC Open: Janice Tjen vs Rebecca Sramkova Match O/U 21.5 | 0% |
| Mubadala Citi DC Open: Janice Tjen vs Rebecca Sramkova Set 2 O/U 8.5 | 0% |
| Mubadala Citi DC Open: Janice Tjen vs Rebecca Sramkova Match O/U 22.5 | 0% |
| Mubadala Citi DC Open: Janice Tjen vs Rebecca Sramkova Set 2 O/U 9.5 | 0% |
| Mubadala Citi DC Open: Janice Tjen vs Rebecca Sramkova Set 1 O/U 10.5 | 0% |
| Mubadala Citi DC Open: Janice Tjen vs Rebecca Sramkova Match O/U 23.5 | 0% |
| Mubadala Citi DC Open: Janice Tjen vs Rebecca Sramkova Set 2 O/U 10.5 | 0% |
Market context
Based on real-money crowd forecasting, mubadala citi dc open: janice tjen vs rebecca sramkova stands at 100% likelihood according to current market consensus. This market refers to the tennis match between Janice Tjen and Rebecca Sramkova in the Mubadala Citi DC Open, originally scheduled for July 27, 2026 at 7:25PM ET. This market will…
Methodology
We track Mubadala Citi DC Open: Janice Tjen vs Rebecca Sramkova across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
FAQ
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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