TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 13, 5:37 AM EST
Kalshi
Catherine McNally and Ajla Tomljanovic face off in the quarterfinal of the 2026 WTA S-Hertogenbosch tournament on June 12. This market determines who wins the second set of their professional tennis match.
The market resolves based on the outcome of set 2 in the Catherine McNally vs Ajla Tomljanovic quarterfinal match at the 2026 WTA S-Hertogenbosch tournament. If the match does not commence due to injury, walkover, forfeiture, or cancellation before play begins, the market resolves to fair price. If the match is postponed or delayed, the market remains open and closes after the rescheduled match concludes within two weeks. If a player retires during the match, any market that can be unconditionally determined based on completed play will resolve accordingly; markets that cannot be settled will resolve to fair market price at the Exchange's discretion.
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 trader belief and real money at stake. Traders here are motivated purely by accuracy, not by managing liability across multiple bets. This can result in sharper, less biased pricing on major events. Comparing this market's odds to major sportsbooks can reveal where public perception and informed trader consensus differ most significantly.
On Kalshi, this market is priced through continuous order-book trading, where buyers and sellers submit bids and offers that determine the real-time probability of each outcome. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Prices range from 0 to 100 cents, with each cent representing a 1% implied probability. As traders buy or sell shares based on their conviction, the price adjusts instantly. This mechanism ensures that the market price reflects the collective judgment of all active participants at any given moment, creating a transparent and efficient pricing signal for the Set 2 winner.
This market resolves around Jun 13, 2026, once the second set of the match concludes and the winner is verifiable from credible public reporting. The outcome is determined by which player wins the set according to official tennis scoring rules. No ambiguity exists in tennis set outcomes, making resolution straightforward and objective. Traders should monitor the match schedule and any potential delays or postponements that could affect the exact timing.
Several factors could shift odds before the match begins or during play. Pre-match developments include injury reports, recent form and head-to-head records, court surface conditions, and weather forecasts. Once the first set concludes, momentum and confidence in each player's performance become powerful catalysts. Unexpected tactical adjustments, fatigue, or a player's hot or cold streak during the opening set can dramatically reshape expectations for the second set. Real-time betting activity itself also signals shifting trader sentiment as new information emerges.