UFC Fight Night: Marcin Tybura vs. Aleksandar Rakic (Heavyweight, Main Card)

Platform comparison

Market context

Aleksandar Rakić against Marcin Tybura is a heavyweight main-card bout, but the current crowd-implied **24% YES** for Tybura sits well below most published pricing, which leans heavily towards Rakić. Several recent previews put Rakić around **-312 to -360** and Tybura around **+248 to +280**, implying roughly a **75% to 78%** win chance for Rakić and only about **22% to 29%** for Tybura, so the market is asking traders to decide whether the exchange is materially underpricing Tybura or merely reflecting favourite bias more cleanly than sportsbooks.[6][10][12][16]

The historical frame also points to a split between method risk and outright win probability. Rakić has the better striking rate and defence metrics, while Tybura carries the stronger takedown volume and submission profile, and both men have long average fight times, which helps explain why analysts have not treated this as a one-note knockout spot.[3][5][11][16] One preview even called Rakić the likeliest winner by KO/TKO, but with Tybura’s most plausible paths still coming through the clinch, control and a decision, the contract is more sensitive to late-round pace and scoring than a simple power-versus-durability read.[11][12]

The main catalysts are official bout status, the pre-fight weigh-ins, and whether either camp signals a late change in opponent or card placement before the August 15 postponement cutoff in the contract rules. Action Network listed the bout for UFC Serbia and noted the scheduled start time and venue, while UFCStats data confirm both fighters’ baseline styles and records, which traders will keep comparing against any fresh sportsbook move into fight week.[16][3][17] If the line tightens materially towards Tybura without a matching shift in analyst consensus, that would be the clearest signal that the contract is diverging from the wider market rather than simply tracking it.[6][10]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to PolyGram, which mirrors the Polymarket order book directly.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Where can I trade this market with the lowest fees?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is PolyGram. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

What does Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like PolyGram trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.