US Open, Qualification WTA: Elvina Kalieva vs Sofia Costoulas
5 signals across 1 market · $16,158 tracked · resolves Sep 2, 2026
Follow the Polymarket prediction market for Elvina Kalieva vs Sofia Costoulas in the 2026 US Open WTA qualifying draw. The event tracks which player advances, with $2,417 in smart money and a recent whale signal scaling into Sofia Costoulas.
Markets (1)
Top trades across all markets
- Three-wallet Kalieva accumulation
Three wallets, including two highly profitable bettors, simultaneously added $6,125 to Kalieva despite the price later falling to 46%.
$6,125Score: 5.6 - New whale scaling into Sofia
A nine-hour-old repeat bettor is scaling into Sofia Costoulas with a large position in a thinly traded match market, though there is no resolved track record yet.
$2,417Wallet win rate: 76%Score: 5.1 - Sharp bettor scaling into Kalieva
A proven sharp bettor with an 88% win rate and substantial positive edge is adding to an existing Elvina Kalieva position while maintaining a serial cross-market record.
$3,553Wallet win rate: 88%Score: 4.7 - New whale scaling into Sofia
A nine-hour-old repeat bettor is scaling into Sofia Costoulas with a large position in a thinly traded match market, though there is no resolved track record yet.
$2,122Wallet win rate: 76%Score: 3.8 - New whale scaling into Sofia
A nine-hour-old repeat bettor is scaling into Sofia Costoulas with a large position in a thinly traded match market, though there is no resolved track record yet.
$1,942Wallet win rate: 76%Score: 3.8
Top wallets in this event
- 0x30aaa2…162a$6,481 · 1 market · 3 alerts · 76% wins
- 0x6129d2…0807$3,553 · 1 market · 1 alert · 88% wins
FAQs
What are the Kalieva vs Costoulas prediction-market odds?
The live Polymarket odds show the market’s current estimate of whether Elvina Kalieva or Sofia Costoulas will advance. Check the event page for the latest prices, which can change as trading continues.
What is smart money betting on in Kalieva vs Costoulas?
PolySpotter has tracked $2,417 in smart money across this event and one signal. The latest alert reports a whale scaling into Sofia Costoulas.
What does this US Open qualifying market cover?
The market covers the WTA qualifying match between Elvina Kalieva and Sofia Costoulas. It resolves to the player who advances, rather than tracking individual sets or games.
When will the Kalieva vs Costoulas market resolve?
The match is scheduled for August 26, 2026, at 5:00 PM ET, and the event is listed to resolve by September 2, 2026. If the match is canceled or no winner is determined under the market rules, the stated resolution conditions apply.