What does the Kostyuk vs Swiatek prediction market measure?

It measures which player will win the first set of the National Bank Open match between Marta Kostyuk and Iga Swiatek.

When is the Kostyuk vs Swiatek match scheduled?

The match is originally scheduled for August 9, 2026, at 10:00 AM ET.

How does this first-set market resolve?

It resolves to Kostyuk if Marta Kostyuk wins the first set and to Swiatek if Iga Swiatek wins it. If the match ends after the first set is completed, the completed set determines the outcome.

What are the current odds for Kostyuk vs Swiatek?

Live contract prices were not included in the supplied metadata. Check the market page for the latest Polymarket odds and implied probabilities.

How much smart money is tracked in this market?

The market metadata reports $1,430 in total smart money tracked and one smart money signal.

Part of: National Bank Open: Marta Kostyuk vs Iga Swiatek

Set 1 Winner: Kostyuk vs Swiatek

This prediction market covers the first-set winner in the Marta Kostyuk vs Iga Swiatek match at the 2026 National Bank Open, scheduled for August 9, 2026. The market resolves to Kostyuk or Swiatek based on who wins the opening set; the supplied metadata lists $1,430 in tracked smart money and one signal, but no current odds.

1 smart money signal detected, totaling $1,430.

Categories: Tennis, Sports, Games

Notable Trades

Market-moving serial bettor

A highly experienced bettor made a market-moving $1,430 purchase of Swiatek in a thin market, though the wallet's win rate is only roughly in line with its average winning entry price.

This bettor has 35,934 resolved trades, a 63% win rate, and $34.7M in reported profit.
The $1,430 Swiatek purchase represented 876% of recent 24-hour volume and preceded a sharp 30-point price move.
The trade entered at 46¢ while Swiatek is now around 38¢, suggesting a substantial move occurred after the position was placed.

$1,430 on Swiatek | Wallet win rate: 63%

Top Holders

0xfe78...0319 — Outcome 35655868, $4,908 (63% win rate)
0xc2be...af12 — Outcome 35655868, $606
0x17f5...f087 — Outcome 35655868, $100
0x40f7...1f5e — Outcome 35655868, $70 (63% win rate)
0x41a6...fcf2 — Outcome 35655868, $11 (92% win rate)
0x6d10...b3d0 — Outcome 35655868, $5
0x8b81...988c — Outcome 35655868, $2
0x1cae...d01c — Outcome 35655868, $1

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Set 1 Winner: Kostyuk vs Swiatek

7dNational Bank Open: Marta Kostyuk vs Iga Swiatek$1,430 tracked1 signalTennisSportsGames

This market refers to the tennis match between Marta Kostyuk and Iga Swiatek in the National Bank Open, originally scheduled for August 9, 2026 at 10:00AM ET. This market will resolve to “Kostyuk” if Marta Kostyuk wins the first set. It will resolve to “Swiatek” if Iga Swiatek wins the first set. If the match begins but is not completed, and the first set is concluded with a winner determined, this market will resolve based on that completed set. If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled (not played at all) or is delayed beyond 7 days from the scheduled date without play beginning, this market will resolve 50-50. Resolution will be based on official WTA match statistics.

Notable Trades