TOTAL VOLUME:

$134.1b

24H VOL:

$133,388,117

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,436,095,462

405,232

Markets across

30,526

events

MATCHED EVENTS:

2,693

PLATFORM COVERAGE:

5

Polymarket:

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Kalshi:

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Iasi Open: Mayar Sherif vs Oleksandra Oliynykova
polymarket

Who will win Mayar Sherif vs Oleksandra Oliynykova?

Volume:
$375,635

Iasi Open: Mayar Sherif vs Oleksandra Oliynykova

 - Polymarket

Iasi Open: Mayar Sherif vs Oleksandra Oliynykova - Polymarket

1W

News

Positive

Negative

Neutral

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Vol.

·

Resolved Jul 18, 2026

Closed: Jul 25, 10:00 AM EST

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Polymarket

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

Iasi Open: Mayar Sherif vs Oleksandra Oliynykova

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$364,497
N/A
N/A
N/A
Settled
Yes
polymarket

Completed Match

100%
Yes 100¢No 0¢
0.1¢
N/A
$5,602
N/A
N/A
N/A
Settled
Yes
polymarket

Iasi Open: Mayar Sherif vs Oleksandra Oliynykova Set 2 Winner

100%
Yes 100¢No 0¢
0.1¢
N/A
$763
N/A
N/A
N/A
Settled
Yes
polymarket

Iasi Open: Mayar Sherif vs Oleksandra Oliynykova Set 1 Winner

100%
Yes 100¢No 0¢
0.1¢
N/A
$382
N/A
N/A
N/A
Settled
Yes
polymarket

Iasi Open: Mayar Sherif vs Oleksandra Oliynykova Set 1 O/U 8.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$270
N/A
N/A
N/A
Settled
Yes
polymarket

Iasi Open: Mayar Sherif vs Oleksandra Oliynykova Set Handicap +/-1.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$186
N/A
N/A
N/A
Settled
Yes
polymarket

Iasi Open: Mayar Sherif vs Oleksandra Oliynykova Match O/U 21.5

0%
Yes 0.1¢No 99.9¢
—
N/A
$2,950
N/A
N/A
N/A
Settled
Yes
polymarket

Iasi Open: Mayar Sherif vs Oleksandra Oliynykova Total Sets: O/U 2.5

0%
Yes 0.1¢No 99.9¢
—
N/A
$495
N/A
N/A
N/A
Settled
Yes
polymarket

Iasi Open: Mayar Sherif vs Oleksandra Oliynykova Set Handicap +/-1.5

0%
Yes 0.1¢No 99.9¢
—
N/A
$438
N/A
N/A
N/A
Settled
Yes
polymarket

Iasi Open: Mayar Sherif vs Oleksandra Oliynykova Set 1 O/U 9.5

0%
Yes 0.1¢No 99.9¢
—
N/A
$20
N/A
N/A
N/A
Settled
Yes
polymarket

Iasi Open: Mayar Sherif vs Oleksandra Oliynykova Match O/U 22.5

0%
Yes 0.1¢No 99.9¢
—
N/A
$13
N/A
N/A
N/A
Settled
Yes
polymarket

Iasi Open: Mayar Sherif vs Oleksandra Oliynykova Set 2 O/U 9.5

0%
Yes 0.1¢No 99.9¢
—
N/A
$10
N/A
N/A
N/A
Settled
Yes
polymarket

Iasi Open: Mayar Sherif vs Oleksandra Oliynykova Set 2 O/U 10.5

0%
Yes 0.1¢No 99.9¢
—
N/A
$10
N/A
N/A
N/A
Settled
Yes
polymarket

Iasi Open: Mayar Sherif vs Oleksandra Oliynykova Set 2 O/U 8.5

0%
Yes 0.1¢No 99.9¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

Iasi Open: Mayar Sherif vs Oleksandra Oliynykova Set 1 O/U 10.5

0%
Yes 0.1¢No 99.9¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

Iasi Open: Mayar Sherif vs Oleksandra Oliynykova Match O/U 23.5

0%
Yes 0.1¢No 99.9¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
Total markets: 16

Description

This market refers to the tennis match between Mayar Sherif and Oleksandra Oliynykova in the Iasi Open, originally scheduled for July 18, 2026 at 10:00AM ET. This market will resolve to 'Mayar Sherif' if Mayar Sherif advances against Oleksandra Oliynykova. This market will resolve to 'Oleksandra Oliynykova' if Oleksandra Oliynykova advances against Mayar Sherif. 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.

Polymarket

This market refers to the tennis match between Mayar Sherif and Oleksandra Oliynykova in the Iasi Open, originally scheduled for July 18, 2026 at 10:00AM ET. This market will resolve to 'Mayar Sherif' if Mayar Sherif advances against Oleksandra Oliynykova. This market will resolve to 'Oleksandra Oliynykova' if Oleksandra Oliynykova advances against Mayar Sherif. 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.

Frequently asked questions

On Polymarket, the dashboard for the Sherif vs Oliynykova tennis match displays real-time odds and price movements as traders buy and sell shares tied to the match outcome. You can monitor the current probability estimate for each player, historical price charts showing how sentiment has shifted, and total trading volume across all positions. The interface lets you track how the market has repriced the matchup over time, giving you a window into collective trader expectations 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 are driven by traders seeking to profit on accurate forecasts. This market aggregates the views of many independent traders rather than a single bookmaker, which can sometimes surface insights that traditional oddsmakers miss. Comparing the two can reveal where consensus differs and highlight potential value opportunities.

On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Polymarket, this market is priced through an automated market maker that converts trader orders into real-time probability quotes. When you buy shares representing one outcome, the price adjusts based on the depth of liquidity available and the ratio of shares already in circulation. Traders compete to identify mispriced outcomes, and their collective activity continuously updates the odds. The system rewards accurate predictions and penalizes poor forecasts, creating a financial incentive for honest price discovery.

This market resolves around Jul 25, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome will reflect which player wins the contest. Until that point, traders can continue to buy and sell shares as new information emerges—such as player form, injury updates, or head-to-head records—that might shift expectations about the final result.

Several factors could shift trader sentiment before the match takes place. Injury announcements or fitness concerns affecting either player would likely trigger sharp repricing. Recent tournament results, court surface performance history, and head-to-head records may influence positioning as traders reassess relative strength. Weather conditions on match day, draws that reveal the bracket context, or news about player form and confidence can all prompt traders to adjust their positions. Even casual social media momentum or expert commentary sometimes catalyzes volume spikes in prediction markets.