Cincinnati Open: Katerina Siniakova vs Madison Keys
2 signals across 2 markets · $24,093 tracked · resolves Aug 25, 2026
Follow Polymarket prediction-market odds for the Cincinnati Open match between Katerina Siniakova and Madison Keys. The event tracks who advances as well as whether the match finishes over or under 21.5 total games, with PolySpotter smart-money activity included.
Markets (2)
Top trades across all markets
- Three-wallet cluster scaling into Keys
Three wallets added $21.6K to Madison Keys, creating a major volume spike and reinforcing an existing position despite limited overall profitability evidence.
$22,704Score: 6.4 - Experienced bettor buys Over in thin market
A highly experienced, profitable serial trader placed a large Over bet in a very thin tennis market, creating a meaningful conviction signal despite only modest historical edge over entry prices.
$1,388Wallet win rate: 70%Score: 3.4
Top wallets in this event
- 0x5b6331…11a4$1,388 · 1 market · 1 alert · 70% wins
FAQs
What markets are available for Siniakova vs Madison Keys?
This event covers the match-winner outcome—whether Katerina Siniakova or Madison Keys advances—and a match total market set at 21.5 games.
What is the smart money doing on this match?
PolySpotter has tracked one smart-money signal totaling $1,388 across the event. The latest alert reports that an experienced bettor bought the Over in the thin 21.5-game total market.
Where can I find Siniakova vs Madison Keys prediction-market odds?
You can view the latest Polymarket prices and PolySpotter smart-money signals on this event page. Prices may change as traders update their positions.
When will the Siniakova vs Keys market resolve?
The match is scheduled for August 18, 2026 at 10:00 AM ET, with resolution by August 25, 2026 at 2:00 PM UTC. Official market rules apply if the match is canceled or delayed.