KalshiCheck availabilityKYC required2% feeVerified resolution dataFairly calibratedCurrent implied probability
1+ Americans 99%Leader of 3 outcomes
Market quality
38 / 100
Low quality24h Volume
$60.6
Liquidity
$266.7
Low liquiditySpread
5.0 pt
Wide spreadMarket data
Updated 6 minutes ago
Aug 21, 26, 7:00 PM UTCSep 21, 26, 2:00 PM UTC
Trends
0%
Related Markets
Related questions for context, not a comparison of equivalent contracts.
Rules
If the named outcome reach the Semifinals in the 2026 US Open Women's Singles, then the market resolves to Yes.
- The players’ nationalities reflect those designated by the Governing League.
- Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League.
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Open markets
Sports
POLYMARKETUS Open ATP: Frances Tiafoe vs Alex Michelsen
- Michelsen Total Sets: O/U 3.5+34.5pt100%
- Michelsen Set 3 Winner+45.5pt100%
- Michelsen Total Sets: O/U 4.5+70.5pt100%
+25 more outcomes
- Total Vol
- $6.9M
- 24h Vol
- $6.9M
POLYMARKETUEFA Champions League: 2027 Champion
- Barcelona17.9%
- Arsenal15.1%
- Bayern Munich13.2%
+33 more outcomes
- Total Vol
- $28.5M
KALSHIHouston vs Philadelphia
- Houston+48.0pt91.1%
- Philadelphia-48.0pt8.9%
- Total Vol
- $2.8M
- 24h Vol
- $2.7M
KALSHIUS Open Men's Singles Winner
- Carlos Alcaraz+1.0pt58%
- Alexander Zverev+4.0pt26%
- Ben Shelton+2.0pt9%
+45 more outcomes
- Total Vol
- $28.6M
KALSHIBrace vs Sorribes Tormo
- Cadence Brace52%
- Sara Sorribes Tormo48%
- Total Vol
- $2.2M
- 24h Vol
- $2M
KALSHIShelton vs Alcaraz
- Carlos Alcaraz-1.0pt77.2%
- Ben Shelton+1.0pt22.8%
- Total Vol
- $2.1M
- 24h Vol
- $1.9M
Frequently asked questions
- What are the current odds for US Open Women's Singles: Americans to Reach Semifinals?
- Kalshi prices 1+ Americans at 99% as of September 9, 2026.
- When does US Open Women's Singles: Americans to Reach Semifinals resolve?
- US Open Women's Singles: Americans to Reach Semifinals is scheduled to resolve on September 21, 2026.
- How is US Open Women's Singles: Americans to Reach Semifinals settled?
- Kalshi settles this market as follows: If the named outcome reach the Semifinals in the 2026 US Open Women's Singles, then the market resolves to Yes.