Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Best Prediction Markets UK) Pick polygram.ink (preferred broker) |
70% | 30% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
70% | 30% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Mubadala Citi DC Open: Jessica Pegula vs Alexandra Eala Set 1 O/U 8.5 | 70% |
| Mubadala Citi DC Open: Jessica Pegula vs Alexandra Eala | 61% |
| Mubadala Citi DC Open: Jessica Pegula vs Alexandra Eala Set 1 Winner | 55% |
| Mubadala Citi DC Open: Jessica Pegula vs Alexandra Eala Set 2 Winner | 55% |
| Mubadala Citi DC Open: Jessica Pegula vs Alexandra Eala Match O/U 21.5 | 53% |
| Completed Match | 50% |
| Mubadala Citi DC Open: Jessica Pegula vs Alexandra Eala Set 2 O/U 8.5 | 50% |
| Mubadala Citi DC Open: Jessica Pegula vs Alexandra Eala Set 2 O/U 9.5 | 50% |
| Mubadala Citi DC Open: Jessica Pegula vs Alexandra Eala Set 2 O/U 10.5 | 50% |
| Mubadala Citi DC Open: Jessica Pegula vs Alexandra Eala Set 1 O/U 9.5 | 48% |
| Mubadala Citi DC Open: Jessica Pegula vs Alexandra Eala Match O/U 22.5 | 47% |
| Mubadala Citi DC Open: Jessica Pegula vs Alexandra Eala Match O/U 23.5 | 45% |
| Mubadala Citi DC Open: Jessica Pegula vs Alexandra Eala Total Sets: O/U 2.5 | 42% |
| Mubadala Citi DC Open: Jessica Pegula vs Alexandra Eala Set Handicap +/-1.5 | 37% |
| Mubadala Citi DC Open: Jessica Pegula vs Alexandra Eala Set 1 O/U 10.5 | 24% |
Market context
Jessica Pegula’s meeting with Alexandra Eala in Washington is priced by the crowd at **60%** for Pegula, which sits below the kind of win probability implied by a routine favourite in a one-off match but above a near coin-flip. The historical frame leans Pegula’s way: she leads the head-to-head 1-0, winning their only previous professional meeting in Miami in March 2025 on hard court in three sets, 7-6(3), 5-7, 6-3.[1][5][9] That matters because hard court is the relevant comparison point for the DC event, and Pegula’s broader results against the field are also stronger in the datasets available, with higher recent and career-level win rates than Eala.[2][6][16]
For traders, the main catalysts are straightforward: the match is only live as scheduled if both players take the court, and any late withdrawal, postponement beyond the market’s seven-day window, or abandonment without a completed result moves the contract to the 50-50 fallback.[Market description] That makes official order-of-play updates, injury or medical-timeout news, and tournament scheduling the key dependencies to watch. Pegula’s recent WTA profile and Eala’s breakthrough level have made this a closer market than the head-to-head alone would suggest, but the pricing still appears to reflect Pegula’s cleaner surface fit and superior body of results rather than a pure upset chance.[5][6][17]
Methodology
We track Mubadala Citi DC Open: Jessica Pegula vs Alexandra Eala 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
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
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.
- 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.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Best Prediction Markets UK trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- 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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