Mantis

sports market

Iga Świątek wins the 2026 US Open (women’s singles)

Mantis shows this market across 2 venues side by side. Highest: 20% (Polymarket). Lowest: 18% (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

Market snapshot

Question wording

Will Iga Świątek win the 2026 US Open?

Resolution window

Sep 13, 2026, 23:59 UTC

Confidence: medium

Assets and settlement

Assets: tennis, Swiatek

Chain: Polygon · Collateral: USDC

Best liquidity right now

Polymarket currently shows the deepest visible liquidity at $200K.

Resolution details

Cross-venue spread: 2 percentage points across 2 venues.

Resolution trigger

Iga Świątek 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.

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FAQ

What is the current probability for "Iga Świątek wins the 2026 US Open (women’s singles)"?

As of this page load, Polymarket prices this at 20% and Kalshi at 18%. 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.