UFC Fight Night: Robert Bryczek vs. Rodolfo Vieira (Middleweight, Main Card)

Name: UFC Fight Night: Robert Bryczek vs. Rodolfo Vieira (Middleweight, Main Card) — daily price history on Kalshi and Polymarket
Creator: MarketMaster
License: https://marketmaster.live/terms

Post

KalshiPolymarket ✓ Verified same-resolution Closes Sep 27, 2026

LIVE PRICES — YES

KalshiBEST YES PRICETrade ↗

46¢ last

	Bid	Ask
YES	43¢	45¢
NO	55¢	57¢

$240 volume

PolymarketTrade ↗

47¢ last

	Bid	Ask
YES	46¢	47¢
NO	53¢	54¢

$2,063 volume

Cross-venue spread 1.0¢

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CROSS-VENUE ARBITRAGE

Buy YES on Kalshi and NO on Polymarket — total cost 99¢ per $1 payout, locking +1.0¢ per contract before fees.

Stake $

30-DAY PRICE HISTORY

HOW THIS RESOLVES

Kalshi — primary rule

If Robert Bryczek wins the Vieira vs Bryczek professional MMA fight originally scheduled for Sep 26, 2026, then the market resolves to Yes.

Polymarket — resolution criteria

This market will resolve to "Robert Bryczek" if Robert Bryczek is officially declared the winner of the fight against Rodolfo Vieira at UFC Fight Night: Rosas Jr. vs. Barcelos, scheduled for September 26, 2026. It will resolve to "Rodolfo Vieira" if Rodolfo Vieira is officially declared the winner. If the fight is declared a draw or technical draw, ruled a No Contest, not scored, canceled, or postponed beyond October 10, 2026, this market will resolve "50-50." The resolution source for this market will be official information from the UFC.

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STATS

Cross-venue spread1.0¢

Kalshi last46¢

Polymarket last47¢

Venues2

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