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2026 Women’s US Open Winner (Tennis)

Live odds for "2026 Women’s US Open Winner (Tennis)" pulled from the Polygon order book, alongside the platform attributes of every venue that runs this contract.

Aryna Sabalenka 23% Iga Swiatek 19% Elena Rybakina 11% Mirra Andreeva 7% Volume: $2.9M Liquidity: $514K Closes: 13 Sept 2026
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2026 Women’s US Open Winner (Tennis)

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Kalshi Fees) Pick
polygram.ink (preferred broker)
 23% 77% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Place a position →
Polymarket (direct)
polymarket.com
 23% 77% 0% Geo-blocked in US/UK/EU USDC, on-chain Place a position →
Kalshi
kalshi.com
 — — Up to 7% per trade US-only, KYC required USD Place a position →
Betfair Exchange
betfair.com
 — — 2-5% commission Full KYC from first trade GBP / EUR Place a position →
Manifold Markets
manifold.markets
 — — Play-money (mana) None — play-money Mana (no cash-out) Place a position →

Outcome probabilities

Current market-implied probability for each outcome, from the live order book.

OutcomeProbability
Aryna Sabalenka23%
Iga Swiatek19%
Elena Rybakina11%
Mirra Andreeva7%
Coco Gauff5%
Naomi Osaka4%
Amanda Anisimova3%
Jessica Pegula3%
Victoria Mboko3%
Elina Svitolina3%
Karolina Muchova2%
Alexandra Eala2%
Qinwen Zheng1%
Madison Keys1%
Barbora Krejcikova1%
Emma Navarro1%
Clara Tauson1%
Belinda Bencic1%
Emma Raducanu1%
Linda Noskova1%
Jasmine Paolini1%
Diana Shnaider1%
Anastasia Potapova1%
Marketa Vondrousova0%
Paula Badosa0%
Maya Joint0%
Ekaterina Alexandrova0%
Jelena Ostapenko0%
Daria Kasatkina0%
Tereza Valentova0%
Donna Vekic0%
Dayana Yastremska0%
Liudmila Samsonova0%
Xiyu Wang0%
Ashlyn Krueger0%
Marie Bouzkova0%
Beatriz Haddad Maia0%
Elise Mertens0%
Sofia Kenin0%
Katie Boulter0%
Other0%
Player A0%
Player B0%
Player C0%
Player D0%
Player E0%
Player F0%
Player G0%
Player H0%
Player I0%
Player J0%
Player K0%
Player L0%
Player M0%
Player N0%
Player O0%
Player P0%
Player Q0%
Player R0%
Player S0%
Player T0%
Player U0%
Player V0%
Player W0%
Player X0%
Player Y0%
Player Z0%

Market context

2026 Women’s US Open Winner (Tennis) — current market-implied probability: 23%. The 2026 U.S. Open tennis tournament is scheduled for August 23 - September 13, 2026. This market will resolve to the player that wins the 2026 U.S. Open Women’s Singles Tournament. If at any point …

Methodology

This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Kalshi Fees, which mirrors the Polymarket order book directly.

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 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.
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.
Do I need to KYC for this market?
On Polymarket directly, no — it's wallet-based. Intermediary brokers like Kalshi Fees trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
Alex ChenAlex ChenPrediction Market AnalystandJordan LeeJordan LeeSports Prediction Reporter

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