Fight Night: Rosas Jr vs Barcelos — Raoni Barcelos

Name: Fight Night: Rosas Jr vs Barcelos — Raoni Barcelos — 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

KalshiTrade ↗

37¢ last

	Bid	Ask
YES	36¢	37¢
NO	63¢	64¢

$7,653 volume

PolymarketBEST YES PRICETrade ↗

37¢ last

	Bid	Ask
YES	38¢	39¢
NO	61¢	62¢

$4,027 volume

Cross-venue spread 0.0¢

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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 Raoni Barcelos wins the Rosas Jr vs Barcelos professional MMA fight originally scheduled for Sep 26, 2026, then the market resolves to Yes.

Polymarket — resolution criteria

This market will resolve to "Raoni Barcelos" if Raoni Barcelos is officially declared the winner of the fight against Raul Rosas Jr. at UFC Fight Night: Rosas Jr. vs. Barcelos, scheduled for September 26, 2026. It will resolve to "Raul Rosas Jr." if Raul Rosas Jr. 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 spread0.0¢

Kalshi last37¢

Polymarket last37¢

Venues2

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