What is the Coco Gauff vs Marta Kostyuk prediction market?

It is a sports prediction market on which player will advance from the Cincinnati Open match between Coco Gauff and Marta Kostyuk.

How does this market resolve?

The market resolves to Coco Gauff if she advances and to Marta Kostyuk if she advances. If the match is canceled, ends in a tie, or remains unresolved more than seven days after the scheduled date, the exchange’s stated fallback resolution rules apply.

What smart money activity is being tracked?

PolySpotter reports $26,694 in tracked smart money and one smart money signal, including activity involving both Gauff and Kostyuk.

Where can I check the latest Polymarket odds?

Check the live market page for current prices and implied probabilities, since prediction market odds can change as traders update their positions.

Part of: Cincinnati Open: Coco Gauff vs Marta Kostyuk

Cincinnati Open: Coco Gauff vs Marta Kostyuk

Q: When is the Gauff vs Kostyuk match scheduled?

The match is originally scheduled for August 21, 2026, at 11:00 AM Eastern Time.

This prediction market covers the 2026 Cincinnati Open match between Coco Gauff and Marta Kostyuk, scheduled for August 21, 2026. It resolves to the player who advances, with the market scheduled to resolve by August 28 if no winner is determined; PolySpotter tracks $26,694 in smart money and one signal for this market.

12 smart money signals detected, totaling $89,523.

Categories: Tennis, Sports, Games

Notable Trades

96% winner scales into Coco Gauff

A highly profitable serial bettor with a 96% win rate added $26.7K to an existing Coco Gauff position amid a 117.9x volume spike and sharp price rise.

This bettor wins 96% of 326 resolved trades and is up $1.05M lifetime.
They added $26,694 to an existing Coco Gauff position, buying at 79–83¢ as the market moved to 90%.
The market saw a 117.9x historical volume spike, reinforcing the strength of the move.

$26,694 on Coco Gauff | Wallet win rate: 96%

Four-wallet Coco Gauff cluster

Four commonly funded wallets are aligned on Coco Gauff, though this bettor is adding to an existing position rather than making a fresh trade.

Four wallets sharing a funder have positioned on Coco Gauff, creating a meaningful coordinated signal.
This bettor is adding $1,514 at 80¢ to an existing $1,892 position, showing continued conviction.
The wallet is profitable overall, up $9,303 across 152 resolved bets, though its 53% win rate is not elite.

$1,514 on Coco Gauff | Wallet win rate: 53%

97% winner adds to Kostyuk

A highly profitable bettor with a 97% win rate and substantial edge is adding to an existing Marta Kostyuk position amid a major volume spike.

This bettor has won 199 of 206 resolved positions and is up $258,132.
They are adding to an existing $6,203 Marta Kostyuk position, showing continued conviction.
The market saw a 38.7x volume spike, while Kostyuk was bought at 40¢ against current 36% odds.

$1,138 on Marta Kostyuk | Wallet win rate: 97%

Profitable serial trader scaling into Gauff

A highly experienced serial trader with a 70% win rate and substantial lifetime profit is adding to a large Coco Gauff position amid a major volume spike.

This bettor has won 70% of 488 resolved trades and is up nearly $439,000 lifetime.
They added $13,684 to Coco Gauff at 58% while already holding a $23,594 position.
Trading volume was 51 times its historical average, and Gauff has moved up to 60%.

$13,684 on Coco Gauff | Wallet win rate: 71%

98% win-rate bettor adds to Gauff

A highly successful sports bettor with a 98% win rate and substantial positive edge is adding to an existing Coco Gauff position at 57%.

This bettor has won 56 of 57 resolved positions and is up $244,766 lifetime.
They are adding $3,755 to an existing $13,875 Coco Gauff position at 57%, signaling continued conviction.
The bettor’s average winning entry is just 52%, far below the current 57% price.

$2,949 on Coco Gauff | Wallet win rate: 98%

98% win-rate bettor adds to Gauff

A highly successful sports bettor with a 98% win rate and substantial positive edge is adding to an existing Coco Gauff position at 57%.

This bettor has won 56 of 57 resolved positions and is up $244,766 lifetime.
They are adding $3,755 to an existing $13,875 Coco Gauff position at 57%, signaling continued conviction.
The bettor’s average winning entry is just 52%, far below the current 57% price.

$3,755 on Coco Gauff | Wallet win rate: 98%

90% winner scaling into Coco Gauff

A highly profitable serial bettor with a 90% win rate is adding $4,719 to an existing Coco Gauff position at 56 cents.

This bettor has won 54 of 60 trades and is up $120,072 on nearly $790,000 invested.
The wallet has traded across 89 events with a 90% win rate, indicating a repeatable edge rather than a one-off bet.
It is adding $4,719 to an existing Coco Gauff position at 56 cents while the market is near evenly priced.

$9,459 on Coco Gauff | Wallet win rate: 90%

90% winner scaling into Coco Gauff

A highly profitable serial bettor with a 90% win rate is adding $4,719 to an existing Coco Gauff position at 56 cents.

This bettor has won 54 of 60 trades and is up $120,072 on nearly $790,000 invested.
The wallet has traded across 89 events with a 90% win rate, indicating a repeatable edge rather than a one-off bet.
It is adding $4,719 to an existing Coco Gauff position at 56 cents while the market is near evenly priced.

$4,719 on Coco Gauff | Wallet win rate: 90%

Elite bettor backs Kostyuk

A highly profitable serial bettor with an 85% win rate and substantial edge made a fresh $10,071 bet on Marta Kostyuk at 45%.

This bettor wins 85% of 494 resolved positions and is up $6.37 million.
They placed a fresh $10,071 bet on Marta Kostyuk at 45%, despite the market pricing her at 44%.
The wallet has traded 801 events, indicating extensive experience rather than a one-off wager.

$10,071 on Marta Kostyuk | Wallet win rate: 85%

Sharp serial bettor backs Kostyuk

A highly profitable serial trader with a 78% win rate and substantial edge is buying Marta Kostyuk at 43 cents.

This bettor wins 78% of 218 resolved trades and is up $623,000 lifetime.
Their results substantially exceed the implied odds, with a 26-point edge at average entry prices.
The fresh $2,480 position backs Marta Kostyuk at 43¢ while the market is near 44¢.

$2,480 on Marta Kostyuk | Wallet win rate: 78%

Top Holders

0xfe78...0319 — Outcome 50379758, $85,645 (65% win rate)
0xdb85...152f — Outcome 50379758, $40,000 (85% win rate)
0x2a69...d2f7 — Outcome 50379758, $17,995 (71% win rate)
0xbc43...96d3 — Outcome 50379758, $15,069 (78% win rate)
0xf377...4159 — Outcome 50379758, $14,000 (86% win rate)
0x9c3c...e8c9 — Outcome 50379758, $11,364 (95% win rate)
0x6340...e272 — Outcome 50379758, $11,111 (73% win rate)
0x26b4...b8a9 — Outcome 50379758, $9,920 (60% win rate)
0xe98c...8792 — Outcome 50379758, $6,203 (97% win rate)
0xcfb2...126a — Outcome 50379758, $5,710 (66% win rate)

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Cincinnati Open: Coco Gauff vs Marta Kostyuk

4dCincinnati Open: Coco Gauff vs Marta Kostyuk$89,523 tracked12 signalsTennisSportsGames

This market refers to the tennis match between Coco Gauff and Marta Kostyuk in the Cincinnati Open, originally scheduled for August 21, 2026 at 11:00AM ET. This market will resolve to 'Coco Gauff' if Coco Gauff advances against Marta Kostyuk. This market will resolve to 'Marta Kostyuk' if Marta Kostyuk advances against Coco Gauff. 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.

Price History — “Coco Gauff”

59¢

56¢

53¢

Alert entriesHigh-conviction