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Tennis·Mon 5:30 AM ET

Eva Vedder vs Mona Barthel

Prices as of 20:35 UTC on Jul 20, 2026, delayed about five minutes. Source markets: Kalshi · Polymarket. Resolution follows each venue's own market terms.

Curious how long a gap like this stays open? We measured it.

Eva Vedder

Mon 5:30 AM ET

Mona Barthel
20%40%60%80%24h18h12h6hnow

Illustrative shape drawn from current prices; the live intraday line wires in next.

Moneyline

Eva Vedder
Kalshi
Polymarket
Mona Barthel
Kalshi
Polymarket

How this settles

Spread
Read each venue's rules

Kalshi

The following market refers to the Vedder vs Barthel professional tennis match in the 2026 WTA Hamburg Qualification Final after a ball has been played. If the match does not occur (signaled by a ball being played) due to a player injury, walkover, forfeiture, or any other cancellation (all before the match starts), the market will resolve to a fair price in accordance with the rules. If this match is postponed or delayed, the market will remain open and close after the rescheduled match has finished (within two weeks). Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners.

Polymarket

This market refers to the tennis match between Eva Vedder and Mona Barthel in the Hamburg European Open, Qualification, originally scheduled for July 20, 2026 at 5:30AM ET. This market will resolve to 'Eva Vedder' if Eva Vedder advances against Mona Barthel. This market will resolve to 'Mona Barthel' if Mona Barthel advances against Eva Vedder. 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 WTA Tour. A consensus of credible reporting may also be used.

Prices delayed about five minutes. Each venue's best ask per outcome; Kalshi asks are derived from its NO bids (ask = $1 minus the bid). Kalshi volume counts contracts, Polymarket volume is in dollars. Real-time prices and the full depth ladder are available via the WebSocket stream with an API key. How the market matching API works · Real-time WebSocket API docs. Feed reference DINO-XKQZ7-9182.