UFC Fight Night: Otari Tanzilovi vs. Shane Collins (Featherweight, Prelims)

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Active sub-markets

Market context

Polymarket prices this Collins–Tanzilovi featherweight prelim at **0% YES**, so the contract is effectively saying the Shane Collins outcome is not being assigned any value right now even though the UFC bout has already been scheduled and the market’s settlement rules are tied to the official result from UFC. On Polymarket, buyers are trading USDC on Polygon through conditional tokens, so the live price reflects the crowd’s view of the official settlement path rather than the abstract question of who looks better on paper.

The broader frame here is that this is a UFC debut-style spot for both fighters, which tends to make pre-fight pricing thin and sensitive to late information. Public MMA listings and social clips place Collins and Otari Tanzilovi on the UFC Fight Night: Kape vs. Horiguchi prelims, and UFC Stats now shows Shane Collins as the winner of the bout, which would normally be the decisive reference point for settlement if the official UFC result is confirmed.[2][4][5] In markets like this, a zeroed-out price usually signals either that the crowd has already discounted the underdog path to near nothing or that liquidity has not built around the contract.

What matters next is the official UFC paperwork: the result, any ruling on the method, and whether there is any correction after the bout. Kalshi’s UFC contract language states that a draw or no contest settles at 50/50, while a cancellation or long postponement follows the platform’s rules for fair pricing, so the real catalyst is not just the cage announcement but the final official record.[1] For traders, the key dependency is simple: weigh-in completion, the fight actually starting on the card, and the post-fight result being published by UFC rather than relying on provisional live coverage.[1][8]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews UFC Fight Night: Otari Tanzilovi vs. Shane Collins (Featherweight, Prelims) across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at Kalshi UK — the application we operate, where you trade directly against 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

Is this market available outside the US?

Kalshi UK is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

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.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Kalshi UK triggers a quick verification flow that finishes in minutes.