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Sabalenka Leads a Wide-Open Women's US Open Field

No woman commands better than one-in-five odds, leaving the 2026 title genuinely up for grabs across a deep, competitive draw.

Updated 2026-08-27: market moved 28% → 21%

Source: Polymarket market “2026 Women’s US Open Winner (Tennis)”

Aryna Sabalenka: unlikely (21%)
Resolved The money put Aryna Sabalenka at 28% when this article was published. This market has since closed.
Leading outcome at publication Aryna Sabalenka 21% Unlikely · Stable · B
24h move at publication ▼ 0.5 pts Aryna Sabalenka
Traded 24h at publication $73K $7.1M all time
Resolves by 2026-09-13
Source markets 9 9 markets · mixed

At publication: 21% → Now: 22% (live) — the article below reflects the market as of 2026-08-27 11:47 UTC.

The 2026 Women's US Open has no dominant favorite. Aryna Sabalenka enters as the most-fancied contender, but at roughly one-in-five odds she sits atop a field where the title could credibly belong to any of half a dozen women — a level of genuine uncertainty that the substantial money staked on this tournament has now cemented as the defining story of the event.

The pricing across the women's draw reads less like a hierarchy than a near-flat distribution of plausible champions. Coco Gauff and Iga Swiatek sit within striking distance of Sabalenka, while Naomi Osaka, Mirra Andreeva, and Elena Rybakina cluster together as credible dark horses. Andreeva is the most notable recent mover, gaining ground in a market where informed tennis followers — the crowd most likely trading here — appear to be reassessing the tour's generational shift. The money is not converging; it is spreading, and that itself is the signal.

The men's draw carries its own intrigue. Carlos Alcaraz — whose participation is now priced as near-certain — has seen his win odds slide sharply, shedding several points in a single day on heavy volume. The deeper market reading suggests that while bettors are confident Alcaraz will show up at Flushing Meadows, they are increasingly uncertain he will lift the trophy. That gap between participation certainty and title skepticism is the kind of nuanced split that points to concerns about form, draw difficulty, or the depth of the men's field — though the money shows the what, not the why.

One sharp cross-venue signal deserves attention. Rafael Jodar is priced at 14% on one platform and just 6% on another — a gap of eight points. The deeper market, which handled roughly 43 times as much volume in a single day, sits at the lower figure. When liquidity is that lopsided, the thinner venue's number becomes harder to trust; the heavier market's skepticism is the more reliable read.

What this cluster collectively says is that the 2026 US Open — across both draws — is genuinely open in a way that favors preparation over pedigree. For Sabalenka, leading a field this crowded means the defense of her status as the sport's premier hardcourt force is far from assured. For challengers like Andreeva, whose odds have quietly firmed, the money now sees a realistic path. The tournament is still months away, and a single injury, a draw quirk, or a stretch of dominant form could reprice the entire field overnight — but as of today, the honest read is that no one has this locked up, and the wisest bet may be on the chaos itself.

Where the money stood at publication

Aryna Sabalenka 21% ▼ 0.5
Coco Gauff 15% 0.3
Iga Swiatek 14% ▼ 1.0
Naomi Osaka 7% 0.1
Mirra Andreeva 7% ▲ 0.7
Elena Rybakina 7% ▲ 0.5

Source markets for this story (as of publication)

US Open Men's Singles Winner Kalshi · Carlos Alcaraz 26% · -3.0 24h
2026 Men’s US Open Winner (Tennis) Polymarket · Carlos Alcaraz 24% · -6.0 24h
US Open Women's Singles Winner Kalshi · Aryna Sabalenka 22% · -1.0 24h
2026 Women’s US Open Winner (Tennis) Polymarket · Aryna Sabalenka 21% · -0.5 24h
Carlos Alcaraz to play in the US Open Kalshi · Yes 91% · +2.0 24h
US Open, Qualification WTA: Julieta Pareja vs Lucrezia Stefanini Polymarket · US Open, Qualification WTA: Julieta Pareja vs Lucrezia Stefanini Set 1 O/U 8.5 60%
Will Carlos Alcaraz Play in the U.S. Open? Polymarket · Yes 93% · -4.2 24h
US Open, Qualification WTA: Francesca Jones vs Joanna Garland Polymarket · US Open, Qualification WTA: Francesca Jones vs Joanna Garland Set 1 O/U 8.5 62%
US Open, Qualification ATP: Otto Virtanen vs Grigor Dimitrov Polymarket · US Open, Qualification ATP: Otto Virtanen vs Grigor Dimitrov Set 1 O/U 9.5 57%
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