Luciano Darderi wins priced at 25.0% on Kalshi, down 29 points, on $789K traded

The Kalshi contract for Luciano Darderi to win was priced at 25.0%, down 29 probability points over 24 hours, with $789K traded, according to PredictionBubbles’ movers listing. The contract was among the board’s largest downward moves in sports.

The update was published on Oct 21, 2026, at 4:54 AM ET. PredictionBubbles said its underlying venue-price snapshot was taken on 21 Oct 2026, at 08:39 UTC, with the board refreshed every 15 minutes.

What the ranking measures

PredictionBubbles compares prices from Kalshi and Polymarket, ordering contracts by the absolute size of their 24-hour probability-point changes. Trading volume and liquidity provide context but do not affect a contract’s position in the ranking. Darderi’s 29-point decline therefore measures a change in implied probability, not a 29% relative fall.

The board’s stated universe comprised 2,013 markets lasting longer than 14 days, excluding same-week fixtures. Only open contracts with a valid day-earlier comparison qualify; resolved markets and those too new to have that baseline are omitted.

What remains unclear

The supplied material does not identify the tournament, opponent or settlement conditions for the Darderi contract. It also provides no reported catalyst for the decline, leaving the reason for the repricing unestablished.

The $789K traded adds context to the price move, but the supplied material does not establish the contract’s order-book depth. PredictionBubbles distinguishes changes in price from trading activity: substantial turnover and a large probability shift describe different aspects of a market.

What it means for prediction markets

• The signal is a lower market estimate: The 25.0% price records traders’ current implied probability, not confirmation of the eventual result.
• Ranking is not volume-weighted: The 29-point decline determines the move’s standing; the $789K traded does not boost its rank.
• Contract details remain essential: Without the event and settlement terms, readers cannot fully interpret what a Darderi “win” covers.
• The figures are a snapshot: The board refreshes every 15 minutes, so the published price and ranking should be read against the stated observation time.