UFC Fight Night: Theodor Berggren vs. Daniil Donchenko (Welterweight, Prelims)

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Market context

Theodor Berggren steps in as a late replacement for Andreas Gustafsson to face Daniil Donchenko at UFC Fight Night in Baku tonight, with the crowd-implied probability for Berggren winning sitting at a stark 0% on Polymarket. This near-zero pricing on the USDC/Polygon conditional tokens reflects Berggren’s untested status against a seasoned TUF winner, Donchenko, who is widely tipped to secure a TKO victory. The market’s current valuation treats Berggren’s debut as a statistical anomaly rather than a genuine competitive threat, locking in a heavy bias toward Donchenko before the first bell rings.

Historically, late-replacement fighters in welterweight prelims rarely overturn such overwhelming odds unless the opponent suffers a pre-fight injury or severe weight-cut failure. Comparable cases from recent Fight Nights show that debutants stepping in without fight-week preparation are almost invariably defeated by established contenders, with the market correcting only after official medical suspensions or weight discrepancies are announced. The 0% probability here aligns with this pattern, suggesting traders view Berggren’s lack of preparation as a decisive handicap that outweighs any potential stylistic advantage.

Traders must monitor the official UFC fight card updates and weight-in results scheduled for later today, as any deviation in Donchenko’s weight or a sudden medical withdrawal would instantly reset the conditional token pricing. Recent previews from The Stats Zone confirm Donchenko’s dominance and predict a TKO win, reinforcing the market’s current stance until the fight concludes. Watch for the final fight-night announcement on the UFC app, as any change in the bout’s status—such as a no-contest ruling or postponement beyond July 11—would trigger the market’s 50-50 resolution clause, altering the on-chain payoff structure for all holders.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track UFC Fight Night: Theodor Berggren vs. Daniil Donchenko (Welterweight, Prelims) on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

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?

On Polymarket Scam?, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Polymarket Scam? 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.

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 it cost to trade on Polymarket Scam??

Zero. Polymarket Scam? routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

Do I need to KYC for this market?

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