UFC Fight Night: Jan Blachowicz vs. Navajo Stirling (Light Heavyweight, Main Card)

Platform comparison

Market context

Jan Blachowicz’s light-heavyweight bout with Navajo Stirling is the kind of market where the headline number needs to be read against finish equity, not just win rate. Stirling is undefeated at 10-0 and lands far more significant strikes per minute, while Blachowicz brings a longer UFC resume, better takedown defence, and a much more varied route to victory, including decisions and submissions.[1][2][12][18] In practical terms, a 24% crowd-implied probability for Blachowicz still leaves room for a veteran upset if the fight drags into later rounds or if he can slow Stirling’s pace and win the grappling exchanges.[2][8][13]

For power users running a programme or conditional order stack, the cleanest approach is to model this as a pre-fight binary with a secondary *50-50* branch for administrative outcomes. The market only resolves on the UFC’s official result, so any bot logic should monitor the bout booking right up to the settlement window and treat cancellation, postponement beyond the deadline, or an official no contest as a separate state from either fighter win.[8][12] Recent fight-week pricing from market summaries has also leaned towards Stirling as the shorter-priced side, which is consistent with his activity edge and perfect record, but Blachowicz’s 29-11-2 career line and former titleholder status keep his upside visible in models that weight experience and decision equity more heavily.[12][18]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews UFC Fight Night: Jan Blachowicz vs. Navajo Stirling (Light Heavyweight, Main Card) across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Polymarket Review UK, which mirrors the Polymarket order book at 0% fees.

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 Polymarket Review UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

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.

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.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.