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%

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Halle Open: Alexander Zverev vs Vit Kopriva
kalshi
polymarket

Halle Open: Alexander Zverev vs Vit Kopriva

Volume:
$494,580

Halle Open: Alexander Zverev vs Vit Kopriva

 - Polymarket

Halle Open: Alexander Zverev vs Vit Kopriva - Polymarket

1W

News

Positive

Negative

Neutral

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Vol.

·

Resolved Jun 16, 2026

Closed: Jun 22, 4:00 AM EST

polymarket

Polymarket

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

Halle Open: Alexander Zverev vs Vit Kopriva

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$480,327
N/A
N/A
N/A
Settled
Yes
kalshi

Over 19.5 games

100%
Yes 100¢No 0¢
100¢
N/A
$8,251
N/A
N/A
$6,631
Settled
Yes
kalshi

Over 14.5 games

100%
Yes 100¢No 0¢
100¢
N/A
$1,424
N/A
N/A
$1,424
Settled
Yes
polymarket

Halle Open: Alexander Zverev vs Vit Kopriva Total Sets: O/U 2.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$944
N/A
N/A
N/A
Settled
Yes
kalshi

Over 24.5 games

100%
Yes 100¢No 0¢
100¢
N/A
$485
N/A
N/A
$481
Settled
Yes
polymarket

Halle Open: Alexander Zverev vs Vit Kopriva Match O/U 21.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$333
N/A
N/A
N/A
Settled
Yes
polymarket

Halle Open: Alexander Zverev vs Vit Kopriva Set 1 Winner

100%
Yes 100¢No 0¢
0.1¢
N/A
$155
N/A
N/A
N/A
Settled
Yes
polymarket

Halle Open: Alexander Zverev vs Vit Kopriva Match O/U 22.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$89
N/A
N/A
N/A
Settled
Yes
polymarket

Halle Open: Alexander Zverev vs Vit Kopriva Match O/U 23.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$80
N/A
N/A
N/A
Settled
Yes
polymarket

Halle Open: Alexander Zverev vs Vit Kopriva Set 2 O/U 9.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$60
N/A
N/A
N/A
Settled
Yes
polymarket

Halle Open: Alexander Zverev vs Vit Kopriva Set 2 O/U 8.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$5
N/A
N/A
N/A
Settled
Yes
polymarket

Halle Open: Alexander Zverev vs Vit Kopriva Set 1 O/U 8.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$5
N/A
N/A
N/A
Settled
Yes
polymarket

Halle Open: Alexander Zverev vs Vit Kopriva Set Handicap +/-1.5

0%
Yes 0¢No 100¢
—
N/A
$1,976
N/A
N/A
N/A
Settled
Yes
polymarket

Halle Open: Alexander Zverev vs Vit Kopriva Set 1 O/U 10.5

0%
Yes 0¢No 100¢
—
N/A
$291
N/A
N/A
N/A
Settled
Yes
polymarket

Halle Open: Alexander Zverev vs Vit Kopriva Set 2 Winner

0%
Yes 0¢No 100¢
—
N/A
$132
N/A
N/A
N/A
Settled
Yes
polymarket

Halle Open: Alexander Zverev vs Vit Kopriva Set 1 O/U 9.5

0%
Yes 0¢No 100¢
—
N/A
$20
N/A
N/A
N/A
Settled
Yes
polymarket

Halle Open: Alexander Zverev vs Vit Kopriva Set 2 O/U 10.5

0%
Yes 0¢No 100¢
—
N/A
$5
N/A
N/A
N/A
Settled
Yes
polymarket

Completed Match

100%
Yes 100¢No 0¢
0.1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
Total markets: 18

Description

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.

PredictionHero - Resolution Divergence Alerts (RDA)

Divergence Detected

Issue: Kalshi markets measure only cumulative game count thresholds independent of match completion or outcome status. Polymarket markets measure match completion and winner determination, which are orthogonal to raw game count. The platforms are measuring different dimensions of the same event.Hero tip: Treat Kalshi and Polymarket markets as separate instruments. A match can satisfy Kalshi's game-count threshold while failing Polymarket's completion requirement (e.g., if a player retires after 15 games are played). Conversely, a completed match may fall below Kalshi's thresholds. Monitor both match progress and completion status independently.

Critical divergence points:

  • Kalshi: Three binary markets based solely on completed game count in the full match: >14.5 games (Market 1), >19.5 games (Market 2), >24.5 games (Market 3). No reference to match completion, forfeit, retirement, or winner. Resolution is purely quantitative on game count. Key Quote: 'If the number of completed games in the full match is above [X].5...then the market resolves to Yes.'
  • Polymarket: Market 1 (Completed Match): Binary Yes/No on whether all games and sets required to determine a winner are played to completion through normal play. Resolves No if match is forfeited, retired, canceled, delayed >7 days, or ends in tie. Market 2 (Match Winner): Resolves to player name if that player advances; resolves 50-50 if canceled, tie, delayed >7 days, or walkover. Key Quote: 'This market will resolve to Yes if all games and sets required to determine a match winner under governing body or event organizer rules are played to completion through normal play. Otherwise...will resolve to No.'
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 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.

Kalshi

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.

Frequently asked questions

Prediction markets like Polymarket and Kalshi operate on real-money contracts where traders directly set prices through supply and demand, unlike traditional sportsbooks that employ oddsmakers and hold margins. This mechanism often produces sharper, more efficient odds because participants have direct financial skin in the game and can trade continuously. Sportsbooks, by contrast, adjust lines to manage liability and protect profit margins. For this market, comparing the prediction market consensus to major sportsbook lines reveals whether professional bettors and retail traders on decentralized platforms see value differently—a useful signal for identifying mispriced outcomes.

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.