National Bank Open: Marta Kostyuk vs Madison Keys
10 signals across 2 markets · $128,869 tracked · resolves Aug 12, 2026
Follow the National Bank Open prediction market for Marta Kostyuk vs Madison Keys, including the traded winner outcomes for both players. PolySpotter tracks $1,500 in smart money on this event; a recent alert reported a 94% winner add to Madison Keys.
Markets (2)
Top trades across all markets
- Linked cluster led by 96% winner
A linked five-wallet cluster deployed $63.9K on Madison Keys, led by a bettor with a 96% win rate and substantial historical edge.
$11,455Score: 8.1 - 96% win-rate serial bettor backs Keys
A highly profitable serial trader with a 96% win rate and $6.87M lifetime profit made a concentrated $49.3K bet on Madison Keys amid a major volume spike.
$49,642Wallet win rate: 90%Score: 7.6 - 96% win-rate serial bettor backs Keys
A highly profitable serial trader with a 96% win rate and $6.87M lifetime profit made a concentrated $49.3K bet on Madison Keys amid a major volume spike.
$49,332Wallet win rate: 90%Score: 5.6 - 94% win-rate serial bettor
A highly proven bettor with 94% wins and a substantial positive edge is making a fresh $5,000 bet on Marta Kostyuk.
$5,000Wallet win rate: 94%Score: 5.6 - Sharp bettor scaling into Kostyuk
A highly profitable serial trader with 563 resolved bets and a substantial edge is adding to an existing Marta Kostyuk position at 56%.
$1,481Wallet win rate: 46%Score: 5.4 - Sharp bettor adds to Madison Keys
A highly profitable serial trader with an 89% win rate is adding to a Madison Keys position amid a 376x event-volume spike.
$2,115Wallet win rate: 89%Score: 5.4 - 94% winner adds to Madison Keys
A highly profitable serial trader with a 94% win rate is adding to a Madison Keys position in a relatively thin tennis market.
$1,500Wallet win rate: 95%Score: 5.4 - Serial sharp backs Keys
A highly profitable, serial cross-market bettor with an 84% win rate made a large fresh buy in a thin tennis handicap market.
$1,732Wallet win rate: 82%Score: 4.9 - Serial sharp scaling into Kostyuk
A proven 82% bettor with substantial positive edge is adding to a Kostyuk position at 56%, though existing exposure on both sides makes the thesis less clean.
$3,253Wallet win rate: 81%Score: 4.7 - Serial sharp scaling into Kostyuk
A proven 82% bettor with substantial positive edge is adding to a Kostyuk position at 56%, though existing exposure on both sides makes the thesis less clean.
$3,360Wallet win rate: 81%Score: 4.7
Top wallets in this event
- 0x5f659b…2036$98,974 · 1 market · 2 alerts · 90% wins
- 0xf9d6bd…730a$6,613 · 1 market · 2 alerts · 81% wins
- 0xcd65c3…ee96$5,000 · 1 market · 1 alert · 94% wins
- 0xe3dcea…eaa8$2,115 · 1 market · 1 alert · 89% wins
- 0x0353aa…c2ff$1,732 · 1 market · 1 alert · 82% wins
- 0x0cdff1…ec9e$1,500 · 1 market · 1 alert · 95% wins
- 0x48de48…95ba$1,481 · 1 market · 1 alert · 46% wins
FAQs
What are the Marta Kostyuk vs Madison Keys prediction-market odds?
The market displays live implied odds for Marta Kostyuk and Madison Keys based on current trading prices. Check the PolySpotter event page for the latest prices and probability changes.
Who is smart money backing in Kostyuk vs Keys?
PolySpotter is tracking $1,500 in smart-money activity and one signal for this event. The latest alert reported a 94% winner add to Madison Keys.
What outcomes are traded in this National Bank Open market?
The market trades whether Marta Kostyuk or Madison Keys advances in their National Bank Open match. The winning outcome resolves to the player who advances.
When will the Kostyuk vs Keys prediction market resolve?
The match is scheduled for August 5, 2026, at 11:00 AM ET. The market is set to resolve by August 12, 2026, at 3:00 PM UTC, subject to its stated rules for cancellation or delay.