TOTAL VOLUME:
$134.2b
24H VOL:
$130,522,377
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,438,389,636
404,028
Markets across
30,214
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 25, 7:30 PM EST
Polymarket
This market refers to the tennis match between Bernard Tomic and Spencer Johnson in the Lincoln, originally scheduled for July 18, 2026 at 7:30PM ET. This market will resolve to 'Bernard Tomic' if Bernard Tomic advances against Spencer Johnson. This market will resolve to 'Spencer Johnson' if Spencer Johnson advances against Bernard Tomic. 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 ATP Tour. A consensus of credible reporting may also be used.
This market refers to the tennis match between Bernard Tomic and Spencer Johnson in the Lincoln, originally scheduled for July 18, 2026 at 7:30PM ET. This market will resolve to 'Bernard Tomic' if Bernard Tomic advances against Spencer Johnson. This market will resolve to 'Spencer Johnson' if Spencer Johnson advances against Bernard Tomic. 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 ATP Tour. A consensus of credible reporting may also be used.
Prediction markets and traditional sportsbooks price events differently because they operate under distinct mechanisms. Sportsbooks set odds to balance their book and lock in profit margins, while prediction markets aggregate trader beliefs through continuous buying and selling. This market reflects what thousands of independent participants believe will happen, often incorporating information faster than sportsbooks update their lines. Many traders use both venues to spot discrepancies, though prediction market odds and sportsbook odds rarely move in lockstep.
On Polymarket, this market is priced through an automated market maker that adjusts odds based on order flow and the ratio of shares held for each outcome. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Traders buy or sell shares representing their belief about the match result, and the price of each share reflects the collective probability assigned by the market. As more capital flows toward one outcome, its price rises and the opposing outcome's price falls, ensuring prices stay responsive to new information and trading demand.
This market resolves around Jul 25, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome is determined by the official result of the tennis match between the two players. Traders holding shares in the winning outcome receive their payout, while those on the losing side forfeit their stake. Resolution typically occurs within hours of the final point, pending confirmation from reliable sports data sources.
Several factors could shift prices in this market before Jul 25, 2026. Injury reports or player fitness updates released before the match often trigger sharp moves, as do changes in court conditions or weather forecasts. Betting action from professional syndicates or sharp bettors can also signal new information and influence odds. Recent form, head-to-head records, and any last-minute lineup or surface adjustments may prompt traders to reassess their positions. Media coverage and expert commentary can amplify these signals, causing rapid repricing as the event approaches.