Polymarket
25% YES
Liquidity $220K
24h Vol $34K
sports market
Aryna Sabalenka wins the 2026 US Open (women’s singles)
Mantis shows this market across 2 venues side by side. Highest: 25% (Polymarket). Lowest: 23% (Kalshi). Spread: 2 percentage points.
Start from all categories or jump back to sports prediction markets if you want adjacent contracts with similar timing or resolution rules.
Current venue comparison
Kalshi
23% YES
Liquidity $80K
24h Vol $16K
Market snapshot
Question wording
Will Aryna Sabalenka win the 2026 US Open?
Resolution window
Sep 13, 2026, 23:59 UTC
Confidence: medium
Assets and settlement
Assets: tennis, Sabalenka
Chain: Polygon · Collateral: USDC
Best liquidity right now
Polymarket currently shows the deepest visible liquidity at $220K.
Resolution details
Cross-venue spread: 2 percentage points across 2 venues.
Resolution trigger
Aryna Sabalenka must win the 2026 US Open women’s singles title.
Resolution source
Official USTA / US Open result.
Restrictions
US persons may be blocked by source platform
Related listings
Related listings show the same market across different venues so you can compare odds, liquidity, and trade on the best-priced platform.
Polymarket
Aryna Sabalenka wins the 2026 US Open (women’s singles)
25% YES
Liquidity $220K
Kalshi
Aryna Sabalenka wins the 2026 US Open (women’s singles)
23% YES
Liquidity $80K
FAQ
What is the current probability for "Aryna Sabalenka wins the 2026 US Open (women’s singles)"?
As of this page load, Polymarket prices this at 25% and Kalshi at 23%. Cross-venue probability differences reflect liquidity and market-maker pricing differences.
How does Mantis compare prediction market odds across venues?
Mantis runs a single natural-language search across Polymarket, Kalshi, Limitless, Myriad, SX Bet, and PredictIt simultaneously. It normalises market identifiers across venues and displays probability, liquidity, and spread side by side so you can find the best available price without switching tabs.
Can I trade this market directly from Mantis?
Mantis is a routing and comparison layer — not a trading venue. Click any venue link to trade directly on that platform with your existing account. Mantis preserves your referral attribution on every outbound link.