TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 22, 4:00 AM EST
Polymarket
This event group covers a professional tennis match between Alexander Zverev and Vit Kopriva scheduled for the 2026 ATP Halle Open Round of 32 on June 15, 2026. Markets track both match completion (whether all games are played) and match outcome (which player advances), with separate thresholds for total games played.
This market refers to the tennis match between Alexander Zverev and Vit Kopriva in the Halle Open, originally scheduled for June 15, 2026 at 4:00AM ET. This market will resolve to 'Alexander Zverev' if Alexander Zverev advances against Vit Kopriva. This market will resolve to 'Vit Kopriva' if Vit Kopriva advances against Alexander Zverev. 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.
The event resolves based on the total number of completed games in the full match between Alexander Zverev and Vit Kopriva at the 2026 ATP Halle Round of 32. If the match does not occur before play begins due to injury, walkover, forfeiture, or cancellation, the market resolves to fair price. If postponed or delayed, the market remains open and closes after the rescheduled match concludes within two weeks. If a player retires, markets that can be unconditionally settled based on completed play resolve accordingly; those that cannot are settled at fair market price at the Exchange's discretion.
Polymarket and Kalshi can show different implied probabilities for the same outcome because of liquidity, fee structure, participant mix, and how each venue defines the contract. Each platform attracts distinct trader demographics, liquidity pools, and contract structures. Polymarket's match-completion contract appeals to traders focused on binary outcomes, while Kalshi's games-total contract draws participants interested in granular scoring dynamics. Differences in user base sophistication, geographic distribution, and platform fee structures also influence pricing. Additionally, settlement timing and verification methods may vary slightly between platforms, creating temporary arbitrage opportunities. These price gaps typically narrow as sophisticated traders exploit discrepancies, but structural differences in contract design mean some divergence often persists throughout the event window.
Key catalysts include player injury reports, recent form and head-to-head records, court conditions at the Halle Open venue, and any last-minute withdrawals or schedule adjustments. Pre-match commentary from tennis analysts and betting syndicates often shifts odds as new information emerges. Live match dynamics—early breaks, momentum swings, or unexpected performance—will drive intraday volatility on both platforms. Weather delays, player fatigue from prior rounds, and surface-specific advantages also influence trader sentiment. Following ATP tour updates and player social media for fitness confirmations helps anticipate significant repricing before the match begins.