TOTAL VOLUME:
$134b
24H VOL:
$107,351,958
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,416,970,024
400,720
Markets across
30,097
events
MATCHED EVENTS:
2,633
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 21, 4:30 AM EST
Polymarket
This market refers to the tennis match between Pietro Marino and Andrea Bacaloni in the ITF Men Gubbio, originally scheduled for July 14, 2026 at 4:30AM ET. This market will resolve to 'Pietro Marino' if Pietro Marino advances against Andrea Bacaloni. This market will resolve to 'Andrea Bacaloni' if Andrea Bacaloni advances against Pietro Marino. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the International Tennis Federation (ITF). A consensus of credible reporting may also be used.
This market refers to the tennis match between Pietro Marino and Andrea Bacaloni in the ITF Men Gubbio, originally scheduled for July 14, 2026 at 4:30AM ET. This market will resolve to 'Pietro Marino' if Pietro Marino advances against Andrea Bacaloni. This market will resolve to 'Andrea Bacaloni' if Andrea Bacaloni advances against Pietro Marino. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the International Tennis Federation (ITF). A consensus of credible reporting may also be used.
Prediction market odds and traditional sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets like this one are driven by traders risking real capital on their beliefs. Prediction markets tend to aggregate dispersed information efficiently, sometimes pricing outcomes more accurately than bookmakers over time. However, sportsbooks may offer tighter spreads and faster liquidity. Comparing this market's odds to major sportsbooks can reveal where smart money disagrees and highlight potential value opportunities.
On Polymarket, this market is priced through an automated market maker mechanism where traders buy and sell shares representing each outcome. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current odds reflect the cumulative bets of all participants; as more traders back one player, that outcome's price rises and the alternative falls. Share prices range from near zero to one dollar, with the spread between bid and ask prices indicating market tightness. You can enter or exit your position at any time before resolution, and your profit or loss depends on the final price movement relative to your entry point.
This market resolves around Jul 21, 2026, once the ITF Gubbio match concludes and the result is verifiable from credible public reporting. The outcome will be confirmed based on the official match result—whether Pietro Marino or Andrea Bacaloni wins the contest. No ambiguity exists in tennis match outcomes; the winner is determined by the rules of professional tennis and recorded by the governing body. Traders holding shares in the winning outcome receive their payout once resolution is finalized.
Several factors can shift odds before the match begins. Recent player form, head-to-head records, injury reports, and surface preference (clay courts at Gubbio) all influence trader sentiment. Betting activity from professional syndicates or sharp bettors often moves the line as they deploy research-backed positions. News coverage, ranking changes, or tournament draw updates can also trigger repricing. Close to match day, warm-up tournament results and player statements may sway the market. Real-time odds movements reflect these signals, so monitoring the price history helps you spot when consensus is shifting.