TOTAL VOLUME:
$134.2b
24H VOL:
$126,590,312
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,439,516,703
404,175
Markets across
30,277
events
MATCHED EVENTS:
2,685
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 4, 10:00 AM EST
Polymarket
This market refers to the tennis match between Filip Jeff Planinsek and Bor Artnak in the ITF Men Slovenska Bistrica, originally scheduled for June 27, 2026 at 10:00AM ET. This market will resolve to 'Filip Jeff Planinsek' if Filip Jeff Planinsek advances against Bor Artnak. This market will resolve to 'Bor Artnak' if Bor Artnak advances against Filip Jeff Planinsek. 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 Filip Jeff Planinsek and Bor Artnak in the ITF Men Slovenska Bistrica, originally scheduled for June 27, 2026 at 10:00AM ET. This market will resolve to 'Filip Jeff Planinsek' if Filip Jeff Planinsek advances against Bor Artnak. This market will resolve to 'Bor Artnak' if Bor Artnak advances against Filip Jeff Planinsek. 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 protect their margins, while prediction markets like this one are driven by traders risking real capital on their beliefs about the outcome. This market aggregates dispersed information from many independent traders, which can sometimes surface insights before sportsbooks adjust their lines. Comparing the two can reveal where smart money is positioning itself ahead of the Planinsek versus Artnak matchup.
On Polymarket, this market is priced through an automated market maker that adjusts odds based on 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 shares representing either player's victory, and the price of each share moves inversely to demand—as more capital flows toward one outcome, that outcome's price rises and the opposing outcome's price falls. The spread between bid and ask prices reflects liquidity and uncertainty, tightening as more traders participate and widening during periods of low activity.
This market resolves around Jul 4, 2026, once the ITF Slovenska Bistrica match between the two players concludes and the result is verified against credible public sources. The outcome is determined by which player wins the match; there are no partial or conditional payouts. Early resolution is possible if the match is cancelled or abandoned under circumstances that make a winner unverifiable, though standard completion will trigger resolution based on the official tournament result.
Several factors could shift odds before Jul 4, 2026. Recent form and head-to-head records between the players often drive early repricing as traders digest updated statistics. Injury announcements, court surface conditions at the venue, and withdrawal news can trigger sharp moves. Weather forecasts closer to match day may influence expectations, particularly if rain or extreme heat is predicted. Late-breaking lineup changes or coaching updates can also sway the market. As match day approaches, any public statements from either player or their team may prompt traders to reposition.