Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
70% | 30% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
70% | 30% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open the market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open the market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open the market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open the market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Mubadala Citi DC Open: Alexandra Eala vs Elina Svitolina Set 1 O/U 8.5 | 70% |
| Mubadala Citi DC Open: Alexandra Eala vs Elina Svitolina Set 1 O/U 9.5 | 55% |
| Mubadala Citi DC Open: Alexandra Eala vs Elina Svitolina Match O/U 21.5 | 52% |
| Completed Match | 50% |
| Mubadala Citi DC Open: Alexandra Eala vs Elina Svitolina Set 2 O/U 8.5 | 50% |
| Mubadala Citi DC Open: Alexandra Eala vs Elina Svitolina Set 2 O/U 9.5 | 50% |
| Mubadala Citi DC Open: Alexandra Eala vs Elina Svitolina Set 2 O/U 10.5 | 50% |
| Mubadala Citi DC Open: Alexandra Eala vs Elina Svitolina Match O/U 23.5 | 50% |
| Mubadala Citi DC Open: Alexandra Eala vs Elina Svitolina Match O/U 22.5 | 46% |
| Mubadala Citi DC Open: Alexandra Eala vs Elina Svitolina Set 1 Winner | 45% |
| Mubadala Citi DC Open: Alexandra Eala vs Elina Svitolina | 43% |
| Mubadala Citi DC Open: Alexandra Eala vs Elina Svitolina Set 2 Winner | 43% |
| Mubadala Citi DC Open: Alexandra Eala vs Elina Svitolina Total Sets: O/U 2.5 | 41% |
| Mubadala Citi DC Open: Alexandra Eala vs Elina Svitolina Set Handicap +/-1.5 | 37% |
| Mubadala Citi DC Open: Alexandra Eala vs Elina Svitolina Set 1 O/U 10.5 | 23% |
Market context
Polymarket is pricing **Alexandra Eala at 43%** against Elina Svitolina, with the contract settling on the player who advances on court and reverting to **50-50** only if the match is not played, tied, or left unresolved beyond the market’s delay window. In practical terms, this is a USDC position on Polygon backed by conditional tokens, so the live price reflects both perceived match quality and the risk that scheduling or completion rules determine the outcome rather than tennis alone.
The current number sits near the middle of the range because the head-to-head is already split by a recent upset in Berlin: Eala beat Svitolina in straight sets there in June 2026, and match stat lines show Eala won more return points and more service games in that meeting.[3][9][12][18] That result matters for traders because it weakens the idea that Svitolina is a routine favourite, even though she remains the higher-ranked and more established WTA player in the pairing.[6][7][17] On a prediction-market basis, the 43% price suggests the market is giving Eala a live path, but not treating the earlier win as fully repeatable.
The main catalysts now are whether the Washington draw and start time hold, whether either player is forced into a late withdrawal, and whether the match actually goes ahead before the settlement window closes.[4][6] For Polymarket users, those operational details matter as much as form, because a no-contest or unresolved delay would push the contract to the tie outcome rather than a normal winner. Recent coverage of Eala’s Berlin run framed her as a rising player capable of taking out a top seed, which is the sort of fresh context that can keep a market like this from drifting too far towards the favourite before first serve.[15]
Methodology
This page reviews Mubadala Citi DC Open: Alexandra Eala vs Elina Svitolina across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to PolyGram, which mirrors the Polymarket order book at 0% fees.
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
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is PolyGram. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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 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 PolyGram 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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