Live prediction market odds for UFC 328: Kopylov vs Tulio. Compare prices across Kalshi and Polymarket.
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Kalshi / Polymarket
2026-05-10
Marco Tulio leads the “UFC 328: Kopylov vs Tulio” event at 62.5% implied probability, followed by Roman Kopylov at 38.5%. Platforms are tightly aligned at a 1.0% spread.
UFC 328: Kopylov vs Tulio is a prediction market event currently tracked across 2 platforms (Kalshi, Polymarket). Marco Tulio leads at 63% implied probability, making it the market favorite. Other contenders include Roman Kopylov at 39%.
Marco Tulio currently leads at 63% implied probability. Behind Marco Tulio, Roman Kopylov at 39% are the next closest contenders. Platforms were tightly aligned at a 1.0% spread, suggesting broad consensus on the odds.
Here are the latest odds across Kalshi, Polymarket: Marco Tulio: 63¢ on Kalshi, 62¢ on Polymarket. Roman Kopylov: 39¢ on Kalshi, 38¢ on Polymarket. Platforms are tightly aligned at a 1.0% spread, leaving little room for cross-platform arbitrage.
A price of 63¢ means the market estimates a 63% probability that Marco Tulio will be the outcome. Buying one share at 63¢ pays out $1.00 if correct — a 59% return — or $0 if wrong. This is the core mechanic of prediction markets: the price directly reflects the crowd's probability estimate.
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Marco Tulio
62.5% avg
