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Halle Open: Terence Atmane vs Daniil Medvedev
polymarket
kalshi

Halle Open: Terence Atmane vs Daniil Medvedev

Volume:
$181,972

Halle Open: Terence Atmane vs Daniil Medvedev Set Handicap +/-1.5

 - Polymarket

Halle Open: Terence Atmane vs Daniil Medvedev Set Handicap +/-1.5 - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Jun 17, 2026

Closed: Jun 24, 10:00 AM EST

polymarket

Polymarket

View
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
polymarket

Halle Open: Terence Atmane vs Daniil Medvedev Set Handicap +/-1.5

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$15,027
N/A
N/A
N/A
Settled
Yes
polymarket

Halle Open: Terence Atmane vs Daniil Medvedev Set 1 O/U 8.5

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$841
N/A
N/A
N/A
Settled
Yes
polymarket

Halle Open: Terence Atmane vs Daniil Medvedev Set 1 O/U 9.5

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$15
N/A
N/A
N/A
Settled
Yes
polymarket

Halle Open: Terence Atmane vs Daniil Medvedev

View
0%
Yes 0¢No 100¢
—
N/A
$132,121
N/A
N/A
N/A
Settled
Yes
kalshi

Felix Auger-Aliassime -2.5 games

View
0%
Yes 0¢No 100¢
100¢
N/A
$17,371
N/A
N/A
$9,700
Settled
No
kalshi

Learner Tien -1.5 games

View
0%
Yes 0¢No 100¢
100¢
N/A
$8,191
N/A
N/A
$7,554
Settled
No
kalshi

Felix Auger-Aliassime -5.5 games

View
0%
Yes 0¢No 100¢
100¢
N/A
$4,540
N/A
N/A
$4,540
Settled
No
polymarket

Halle Open: Terence Atmane vs Daniil Medvedev Set 1 Winner

View
0%
Yes 0¢No 100¢
—
N/A
$1,668
N/A
N/A
N/A
Settled
Yes
polymarket

Halle Open: Terence Atmane vs Daniil Medvedev Set 2 Winner

View
0%
Yes 0¢No 100¢
—
N/A
$744
N/A
N/A
N/A
Settled
Yes
polymarket

Halle Open: Terence Atmane vs Daniil Medvedev Match O/U 23.5

View
0%
Yes 0¢No 100¢
—
N/A
$687
N/A
N/A
N/A
Settled
Yes
polymarket

Halle Open: Terence Atmane vs Daniil Medvedev Match O/U 22.5

View
0%
Yes 0¢No 100¢
—
N/A
$551
N/A
N/A
N/A
Settled
Yes
polymarket

Halle Open: Terence Atmane vs Daniil Medvedev Set 1 O/U 10.5

View
0%
Yes 0¢No 100¢
—
N/A
$199
N/A
N/A
N/A
Settled
Yes
polymarket

Halle Open: Terence Atmane vs Daniil Medvedev Total Sets: O/U 2.5

View
0%
Yes 0¢No 100¢
—
N/A
$15
N/A
N/A
N/A
Settled
Yes
polymarket

Completed Match

View
100%
Yes 100¢No 0¢
0.1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

Halle Open: Terence Atmane vs Daniil Medvedev Set 2 O/U 8.5

View
100%
Yes 100¢No 0¢
0.1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

Halle Open: Terence Atmane vs Daniil Medvedev Match O/U 21.5

View
0%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

Halle Open: Terence Atmane vs Daniil Medvedev Set 2 O/U 9.5

View
100%
Yes 100¢No 0¢
0.1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

Halle Open: Terence Atmane vs Daniil Medvedev Set 2 O/U 10.5

View
0%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
Total markets: 18

Description

This event group contains markets for the Halle Open tennis match between Terence Atmane and Daniil Medvedev scheduled for June 17, 2026. However, the source data reveals a critical mismatch: Kalshi markets reference a completely different match (Learner Tien vs Felix Auger-Aliassime), while Polymarket correctly references the Atmane vs Medvedev match. This appears to be a data integrity error in the Kalshi feed.

PredictionHero - Resolution Divergence Alerts (RDA)

Divergence Detected

Issue: Kalshi markets reference an entirely different tennis match (Learner Tien vs Felix Auger-Aliassime) than the event group name and Polymarket markets (Terence Atmane vs Daniil Medvedev). This is a data integrity failure that makes Kalshi markets fundamentally unresolvable against the stated event.Hero tip: Ignore Kalshi markets completely. They are mislabeled or sourced from the wrong event. Trade only Polymarket's Atmane vs Medvedev markets. Escalate Kalshi data feed error to compliance immediately.

Critical divergence points:

  • Kalshi: Three markets on game differentials in Learner Tien vs Felix Auger-Aliassime (2.5 games FAA advantage, 1.5 games Tien advantage, 5.5 games FAA advantage). Quote: 'If the game differential in favor of Felix Auger-Aliassime across the full match is above 2.5 games in the Learner Tien vs Felix Auger-Aliassime professional tennis match in the 2026 ATP Halle Round Of 16, then the market resolves to Yes.'
  • Polymarket: Two markets correctly on Atmane vs Medvedev: (1) Match Completion (Yes if all games/sets played to completion; No if forfeit, walkover, cancellation, or >7 day delay). (2) Match Winner (Atmane wins / Medvedev wins / 50-50 if canceled, tie, or >7 day delay; advances on retirement/default resolves to advancing player). Quote: 'This market refers to the tennis match between Terence Atmane and Daniil Medvedev in the Halle Open, originally scheduled for June 17, 2026 at 10:00AM ET.'
Our PredictionHero Resolution Divergence Alerts (RDA) are there to help users identify potential differences across platforms. They do not replace or supersede the official rules and description of any prediction market. Users are solely responsible for reviewing and understanding the applicable rules and resolution criteria before placing any trade or bet. If you notice a potential inconsistency, discrepancy, or error in an alert, please report it to our team so we can review and improve the accuracy of our data.

Polymarket

This market refers to the tennis match between Terence Atmane and Daniil Medvedev in the Halle Open, originally scheduled for June 17, 2026 at 10:00AM ET. This market will resolve to 'Terence Atmane' if Terence Atmane advances against Daniil Medvedev. This market will resolve to 'Daniil Medvedev' if Daniil Medvedev advances against Terence Atmane. 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.

Kalshi

The event resolves based on the game differential between Learner Tien and Felix Auger-Aliassime across the full match in the 2026 ATP Halle Round of 16. The differential is calculated as the total games won by one player minus the total games won by the opponent. 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 until 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.

Frequently asked questions

On Polymarket, traders aggregate real-time odds on the Atmane vs Medvedev tennis match by buying and selling shares tied to match outcomes. This dashboard consolidates prediction market consensus across Polymarket and Kalshi, showing how the crowd prices each player's win probability as new information emerges. The cross-platform view reveals whether one venue is pricing the matchup differently, helping you spot arbitrage opportunities or validate your own thesis before the Halle Open contest begins.

Prediction markets and sportsbooks use different mechanisms to set odds. Sportsbooks employ oddsmakers and adjust lines to balance liability; prediction markets let traders themselves set prices through supply and demand. This market often reflects sharper, less-biased consensus because traders have direct financial incentive to price outcomes accurately. However, sportsbooks may move faster on breaking news, while prediction markets can lag if volume is thin. Comparing both sources helps you identify mispricings and make more informed decisions.

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 different trader demographics, liquidity pools, and regulatory frameworks. Kalshi's order-book model may price outcomes differently than Polymarket's automated market maker, especially if one venue has deeper liquidity or more active participants focused on tennis. Geographic restrictions, fee structures, and user base expertise also create natural price gaps. Monitoring both venues reveals temporary mispricings; savvy traders exploit these spreads by buying low on one platform and selling high on the other.

Recent form, injury reports, and head-to-head history are primary catalysts. If either player suffers a setback or posts a strong warm-up result, odds will shift accordingly. Court conditions, weather, and draw positioning also influence trader sentiment. Media coverage and expert commentary can sway retail participants, while sharp bettors may react to subtle changes in player fitness or mental readiness. Monitor official tour announcements and social media for breaking news that could reprrice this market significantly before the match begins.