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The most-traded Tennis market right now: "2026 Women’s US Open Winner (Tennis) — Odds" — a 24% implied probability of Aryna Sabalenka on Polymarket, as of July 22, 2026.
Tour-level match markets on both venues — tennis is the densest cross-venue sport on the board, where the same match often trades on two books.
2
Live markets
$10M
Tracked volume
0
Settled archives
FUTURES
FAQ
The most-traded live Tennis market is "2026 Women’s US Open Winner (Tennis) — Odds", where the market implies a 24% chance of Aryna Sabalenka on Polymarket. W.E.T. tracks 2 live Tennis markets in total.
The most-traded Tennis season-long market is "2026 Women’s US Open Winner (Tennis) — Odds", where Aryna Sabalenka leads at 24% implied probability on Polymarket. W.E.T. tracks 2 Tennis futures & season-long markets in total.
On Kalshi (CFTC-regulated US exchange) and Polymarket (crypto-native). W.E.T. aggregates both books in one place — implied probability, volume, and the cross-venue gap when the same market trades on both — as data, not advice.
No. Implied probability is a live market price — what traders are collectively paying — not a forecast from W.E.T. Settled markets on this page are frozen archives of the final pre-close read.
W.E.T. is an information and data service — not a gambling operator. Implied probabilities are live market prices, not forecasts or advice. See the methodology and disclaimer.