Kostyuk vs Samsonova — Marta Kostyuk

KalshiPolymarket ✓ Verified same-resolution Closes Sep 18, 2026

This market group is no longer actively tracked — final data shown. See live edges →

LIVE PRICES — YES

1¢ last

	Bid	Ask
YES	0¢	100¢
NO	0¢	100¢

$3,249,364 volume

PolymarketTrade ↗

— last

	Bid	Ask
YES	—	—
NO	—	—

New to Kalshi? Sign up with our referral link for a new-account bonus. We may earn a referral reward; it doesn't change the prices shown here.

Track this market on MarketMaster →

Where else do the venues disagree?Live cross-venue gaps across every market Open in the analyzerPrice history, alerts and your watchlist

30-DAY PRICE HISTORY

HOW THIS RESOLVES

Kalshi — primary rule

If Marta Kostyuk wins the Kostyuk vs Samsonova professional tennis match in the 2026 WTA Guadalajara Quarterfinal after a ball has been played, then the market resolves to Yes.

STATS

Cross-venue spread—

Kalshi last1¢

Polymarket last—

Venues2

TRACK THIS MARKET

Get an email the moment the price or edge moves — watchlists, whale alerts and the full scanner are free to start.

Start free — no card

ELSEWHERE

All Tennis markets on both venues · What a cross-venue gap is actually worth · How accurate are these prices?