Ningbo Open: Marie Bouzkova vs Iga Swiatek

Name: Ningbo Open: Marie Bouzkova vs Iga Swiatek — daily price history on Kalshi and Polymarket
Creator: MarketMaster
License: https://marketmaster.live/terms

Post

KalshiPolymarket Closes Oct 21, 2026

LIVE PRICES — YES

KalshiTrade ↗

78¢ last

	Bid	Ask
YES	74¢	82¢
NO	18¢	26¢

PolymarketBEST YES PRICETrade ↗

49¢ last

	Bid	Ask
YES	49¢	49¢
NO	51¢	51¢

$44,598 volume

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Cross-venue spread 29.0¢· active arbitrage window

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CROSS-VENUE ARBITRAGE

Buy YES on Polymarket and NO on Kalshi — total cost 75¢ per $1 payout, locking +25.0¢ per contract before fees.

Stake $

30-DAY PRICE HISTORY

HOW THIS RESOLVES

Kalshi — primary rule

If Marie Bouzkova wins the Bouzkova vs Zakharova professional tennis match in the 2026 WTA Ningbo Round Of 16 after a ball has been played, then the market resolves to Yes.

STATS

Cross-venue spread29.0¢

Kalshi last78¢

Polymarket last49¢

Venues2

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ELSEWHERE

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