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Events
GroupKALSHI

US Open Women's Singles Winner

US Open Women's Singles Winner
Vol

K 851.34 contracts

|
Events

1

|
Markets

25

Current odds

Snapshot from

As of Nov 11, 2026, 6:00 PM UTC, the highest-priced outcome on Kalshi is Aryna Sabalenka at 22%.

Kalshi

  1. Aryna Sabalenka22%
  2. Iga Swiatek19%
  3. Elina Svitolina18.5%
  4. Diana Shnaider18.5%
  5. Elena Rybakina18.5%

Yes prices. They are not order quotes; check each platform's rules, fees and live prices before trading.

AI Analysis

Trader mode: Market mechanics, assumptions and risks

K 851.34 contracts

Reported volume ยท provider units

25

Saved contracts

0

Same-question pairs

Source snapshot: Nov 11, 2026, 6:00 PM UTC

About This Event

2027 US Open Women's Singles If X wins the 2027 US Open Women's Singles professional tennis tournament, then the market resolves to Yes. The following market refers to the 2027 US Open Women's Singles professional tennis tournament. If the participant forfeits, withdraws from consideration, or takes any official action that removes them from being able to win the 2027 US Open Women's Singles professional tennis tournament, the market will resolve No for that participant. Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. This market will close and expire after a winner is declared.

This analysis is awaiting a background update, so its prices may be older than the odds above.

Current Market Outlook

Kalshi traders give Aryna Sabalenka a 24% chance to win the 2026 US Open Women's Singles title. That pricing puts her as the outright favorite, but the market clearly sees this as a wide-open field. A 24% probability in a 128-player draw means the market believes Sabalenka is roughly four times more likely than the average entrant, yet still more likely than not to fall short.

The number reflects both her hard-court pedigree and the brutal reality of women's tennis depth. Sabalenka has won two of the last three US Open titles (2023, 2024), and she reached the semifinals in 2025 before falling to Iga Swiatek. Her 2025 season included a 42-8 record on hard courts, the best of any active player.

Key Factors Driving the Odds

Hard court dominance. Sabalenka's serve-and-predictable-power game translates directly to the Flushing Meadows surface. Since 2023, she's 28-3 at the US Open, with her only losses coming to Swiatek and Coco Gauff. No other player in the draw has that kind of sustained success on this specific court.

The Swiatek factor. The market's 24% number implicitly accounts for Swiatek, who owns a 9-5 career edge over Sabalenka and has won the last three meetings. Swiatek's own Kalshi contract sits around 19%, and if she's on the other side of the draw, Sabalenka's path improves dramatically. The two have met in the semifinals or finals of every major since 2024.

Age and consistency. Sabalenka turns 28 in May 2026. She's in her physical prime, and her 2025 season showed no decline in movement or stamina. Her 2026 Australian Open title defense ended in the quarterfinals, but that's a blip on the hard-court picture, not a trend.

What Could Change These Odds

The biggest swing factor is the draw. If Sabalenka lands in Swiatek's half, her title odds could drop toward 15% on the day of the draw. If they're separated, expect her price to jump past 30%.

Injury risk is the other variable. Sabalenka withdrew from the 2025 WTA Finals with a shoulder issue, and she's had chronic serving problems in the past. A single bad practice session in late August could crater her odds to near zero, which is why the market prices her at 24% rather than 30%.

The hard-court summer swing matters too. Sabalenka typically plays Toronto and Cincinnati as tune-ups. A poor showing at either, or a loss to a rising player like Mirra Andreeva or Emma Navarro, would trigger a repricing. Andreeva, 19, beat Sabalenka in straight sets at the 2025 French Open and is the type of young talent who could disrupt the established order in New York.

AI-generated analysis based on market data. Not financial advice.

Saved Aug 28, 2026 UTC

This saved content is awaiting a background update. It may contain outdated claims; use the dated market data and provider rules for the latest available information.

Overview

The 2026 US Open Women's Singles tournament is one of the four Grand Slam events in professional tennis, held annually at the USTA Billie Jean King National Tennis Center in Flushing Meadows, New York. The tournament is scheduled to run from August 31 to September 13, 2026, with the women's singles final typically taking place on the second Saturday. The event is played on hard courts, specifically the Laykold surface, which has been used since 2020. The winner of the women's singles receives the US Open trophy and a prize money share that has been increasing steadily; in 2025, the total prize fund was $75 million, with the singles champions earning $3.6 million each. The 2026 tournament is particularly anticipated because of the competitive landscape in women's tennis. The top of the WTA rankings has been volatile, with multiple players holding the No. 1 spot in recent years. Iga Swiatek, Aryna Sabalenka, and Coco Gauff have been the dominant figures, but a new generation of players, including 2025 US Open champion Mirra Andreeva, has emerged. Andreeva, who won her first Grand Slam at the 2025 French Open and then captured the US Open title, became the youngest US Open champion since 2006. Her victory shifted the power balance and set the stage for a highly competitive 2026 season. Interest in the tournament extends beyond the sport itself. The US Open is a major cultural and economic event, drawing over 700,000 spectators annually and generating significant revenue for the USTA. The women's singles final is one of the most-watched tennis matches globally, with millions of viewers. The outcome also affects rankings, endorsement deals, and national pride, making the winner a figure of global interest. Prediction markets have taken note, offering odds and contracts on the outcome, reflecting the uncertainty and excitement surrounding the event. The 2026 tournament will also be notable for the potential return of injured players and the impact of new coaching changes. The season's hard-court summer swing, including the Canadian Open and Cincinnati Open, will provide key indicators of form. With the Paris Olympics having taken place in 2024 and the next Olympics in 2028, 2026 is a year without major international team competitions, allowing players to focus on Grand Slams. The US Open is the final Grand Slam of the year, and its winner is often seen as the player to beat in the following season.

Historical Context

The US Open women's singles has been played since 1887, making it one of the oldest tennis championships in the world. It has been held at the USTA Billie Jean King National Tennis Center since 1978, moving from the West Side Tennis Club in Forest Hills. The tournament has been a stage for historic moments, including Billie Jean King's victory in 1974, which helped advance equal prize money for women, and Serena Williams' 23 Grand Slam titles, six of which came at the US Open. In recent years, the tournament has seen a variety of champions, reflecting the depth of talent in women's tennis. The 2020s have been particularly unpredictable. After Naomi Osaka won the 2018 and 2020 titles, the 2021 title went to Emma Raducanu, who became the first qualifier to win a Grand Slam. In 2022, Iga Swiatek won her first US Open, but she lost in the fourth round in 2023. Coco Gauff's 2023 victory ended a 6-year drought for American women at the event. Aryna Sabalenka won in 2024, and Mirra Andreeva's 2025 victory marked a generational shift. This pattern of different champions each year since 2018 (except Osaka's repeat) highlights the competitive balance and makes the 2026 outcome difficult to predict. The hard-court season leading up to the US Open has traditionally been a strong predictor, with players who perform well in the Canadian Open and Cincinnati Open often doing well in New York. However, upsets are common, and the event has seen early exits by top seeds. The tournament's fast surface favors aggressive players, but the crowd's energy and the physical demands of the two-week event can also play a role.

Why It Matters

The US Open women's singles winner is not just a sports champion but a global icon. The victory brings substantial financial rewards, including a $3.6 million prize, but also lucrative endorsement deals. For example, Coco Gauff's 2023 title led to partnerships with companies like New Balance and Barilla, reportedly worth tens of millions. The winner's brand value increases significantly, and she often becomes a media personality, influencing young athletes and promoting tennis globally. Beyond the individual, the outcome affects the WTA rankings and the narrative of women's tennis. A new champion could signal a shift in the sport's power structure, while a repeat winner might establish a new dynasty. The tournament also has economic implications for New York City, as it generates over $400 million in economic activity annually. Moreover, the event promotes gender equality in sports, as the US Open offers equal prize money to men and women, a practice that has been in place since 1973. The winner's success inspires participation in tennis, particularly among girls, and contributes to the sport's growth worldwide.

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Saved Aug 28, 2026 UTC

AI-written background. References identify the evidence used; Wikipedia links under Learn More are additional reading. Prices and provider rules are dated snapshots. This is not financial advice.

Prices are catalog snapshots and may have changed. Check each market's rules and observation time.

KalshiSports
Australian Open Women's Singles Winner

Australian Open Women's Singles Winner

K 11.8K contracts
Australian Open Women's Singles: Aryna Sabalenka winsYes 24.5%
Australian Open Women's Singles: Elena Rybakina winsYes 20%
Australian Open Women's Singles: Coco Gauff winsYes 12.5%
+22 moreNext deadline Feb 15, 2027 UTC
KalshiSports
French Open Women's Singles Winner

French Open Women's Singles Winner

K 3.7K contracts
French Open Women's Singles: Iga Swiatek winsYes 22.5%
French Open Women's Singles: Aryna Sabalenka winsYes 21.5%
French Open Women's Singles: Elena Rybakina winsYes 19%
+22 moreNext deadline Jun 29, 2027 UTC
KalshiSports
US Open Men's Singles Winner

US Open Men's Singles Winner

K 1.6K contracts
US Open Men's Singles: Carlos Alcaraz winsYes 31.5%
US Open Men's Singles: Jannik Sinner winsYes 31%
US Open Men's Singles: Alexander Zverev winsYes 15%
+22 moreNext deadline Oct 5, 2027 UTC
KalshiSports
Australian Open Men's Singles Winner

Australian Open Men's Singles Winner

K 122.9K contracts
Australian Open Men's Singles: Carlos Alcaraz winsYes 34%
Australian Open Men's Singles: Jannik Sinner winsYes 25.5%
Australian Open Men's Singles: Alexander Zverev winsYes 12%
+22 moreNext deadline Feb 15, 2027 UTC
KalshiSports
French Open Men's Singles Winner

French Open Men's Singles Winner

K 2.5K contracts
French Open Men's Singles: Carlos Alcaraz winsYes 40.5%
French Open Men's Singles: Jannik Sinner winsYes 22%
French Open Men's Singles: Ben Shelton winsYes 13%
+22 moreNext deadline Jun 29, 2027 UTC
KalshiSports
Wimbledon Women's Singles Winner

Wimbledon Women's Singles Winner

K 78.59 contracts
Wimbledon Women's Singles: Aryna Sabalenka winsYes 20.5%
Wimbledon Women's Singles: Iga Swiatek winsYes 20%
Wimbledon Women's Singles: Sorana Cirstea winsYes 19%
+22 moreNext deadline Aug 3, 2027 UTC

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