TOTAL VOLUME:

$134b

24H VOL:

$87,997,338

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,395,155,069

395,664

Markets across

30,076

events

MATCHED EVENTS:

2,626

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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Halys vs Giron
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Who will win Halys vs Giron?

Volume:
$2,247,240

Marcos Giron

 - Kalshi

Marcos Giron - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Jul 2, 2026

Closed: Jul 2, 11:30 AM EST

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Kalshi

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Join Kalshi and score $25 for your first trade.
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
kalshi

Marcos Giron

View
100%
Yes 100¢No 0¢
100¢
N/A
$976,422
N/A
N/A
$539,065
Settled
Yes
kalshi

Quentin Halys

0%
Yes 0¢No 100¢
100¢
N/A
$1,270,818
N/A
N/A
$873,755
Settled
No
Total markets: 2

Intro

This market tracks the outcome of a Round of 64 men's singles tennis match between Quentin Halys and Marcos Giron at the 2026 Wimbledon Championships. On Kalshi, Marcos Giron winning is priced at 99.0%, while Quentin Halys winning stands at 1.0%. The market resolves based on the official result once play has begun in the match. Watch for the match completion on or around July 2, 2026, when the betting window closes and the outcome is determined.

Kalshi

This event covers a professional men's singles tennis match at the 2026 Wimbledon Round of 64. Resolution requires that a ball has been played in the match. If the match does not occur before play begins due to injury, walkover, forfeiture, or other cancellation, the market resolves to a fair price. Matches that are postponed or delayed remain open and close only after the rescheduled match concludes, provided this occurs within two weeks.

Frequently asked questions

On Kalshi, the dashboard for the Halys vs Giron tennis match displays real-time odds and historical price movements as traders buy and sell shares tied to the match outcome. You can monitor current implied probability, recent trading activity, and cumulative volume to gauge market sentiment. The platform aggregates all trading on this contract into a single price feed, allowing you to see how confidence in each player's chances shifts as new information emerges. This live data helps traders make informed decisions about their positions leading up to the event.

Prediction market odds and sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets like this one are driven purely by trader belief and real-money risk. Traders on prediction markets have strong financial motivation to price outcomes accurately, which can lead to sharper odds than traditional sportsbooks. Comparing this market's implied probability to major sportsbook lines can reveal where the two communities disagree on the likely winner.

On Kalshi, this market is priced through continuous order-book trading, where buyers and sellers directly set the odds by placing bids and offers. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current price reflects the last executed trade and the spread between the best bid and ask. As more traders participate, the price converges toward the true probability they collectively assign to the outcome. You can enter limit or market orders to trade at your preferred price, and the platform matches buyers and sellers in real time.

This market resolves around Jul 2, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome will be confirmed based on the official match result—specifically, whether Quentin Halys wins the Round of 64 encounter. Traders holding shares in the winning outcome receive their payout automatically, while losing positions expire worthless. Resolution timing depends on when the match is played and results are officially published.

Several factors can shift odds before the match takes place. Recent player form, head-to-head records, and injury updates are key catalysts that traders monitor closely. Court surface preference, weather conditions on match day, and seeding or draw position can also influence expectations. News about either player's recent tournaments, fitness level, or mental state often triggers sharp price moves. As the match date approaches, increased media coverage and expert commentary may drive trading volume and refine the market's probability estimate.