---
title: "Kalieva vs Costoulas"
canonical_url: https://betcrypto.now/events/kalieva-vs-costoulas
status: settled
kickoff_at: 2026-08-26T21:00:00+00:00
trading_closes_at: 2026-09-09T19:40:00+00:00
settled_at: 2026-08-27T02:02:55+00:00
total_volume_usd: 131336.38
venues: ["Kalshi", "Limitless", "Polymarket"]
categories: ["Sports", "Tennis"]
prices_as_of: 2026-10-09T11:07:54+00:00
publisher: BetCrypto
data_api: https://betcrypto.now/api/v1/events/kalieva-vs-costoulas
---

# Kalieva vs Costoulas

Settled · kickoff 2026-08-26 21:00 UTC · $131,336 traded · listed on Kalshi, Limitless, Polymarket

## Result

**Elvina Kalieva** won. Settled 2026-08-27.

## About

This market refers to the tennis match between Elvina Kalieva and Sofia Costoulas in the US Open, Qualification WTA, originally scheduled for August 26, 2026 at 5:00PM ET.

This market will resolve to 'Elvina Kalieva' if Elvina Kalieva advances against Sofia Costoulas.

This market will resolve to 'Sofia Costoulas' if Sofia Costoulas advances against Elvina Kalieva.

If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 9, 2026, 11:59 PM ET (14 days after the scheduled start), 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.

_From Polymarket's listing._

## Other markets

- Spread -0.5 — 2 outcomes
- Spread 3.5 — 0 outcomes
- Spread 2.5 — 0 outcomes
- Set 1 Winner — 0 outcomes
- Set 2 Winner — 0 outcomes
- Spread -2.5 — 0 outcomes
- Spread -3.5 — 0 outcomes
- Spread 0.5 — 0 outcomes
- Kalieva wins 2-0 — 0 outcomes
- Total O/U 17.5 — 0 outcomes
- Elvina Kalieva by over 1.5 sets — 0 outcomes
- Total O/U 27.5 — 0 outcomes
- Costoulas wins 2-0 — 0 outcomes
- Kalieva wins 2-1 — 0 outcomes
- Costoulas wins 2-1 — 0 outcomes
- Sofia Costoulas by over 1.5 sets — 0 outcomes
- Over 2.5 sets — 0 outcomes
- Completed Match — 2 outcomes
- US Open, Qualification WTA: Elvina Kalieva vs Sofia Costoulas Set 1 Winner — 2 outcomes
- Total O/U 8.5 — 2 outcomes
- US Open, Qualification WTA: Elvina Kalieva vs Sofia Costoulas Set 2 Winner — 2 outcomes
- Total O/U 21.5 — 2 outcomes
- Total O/U 2.5 — 2 outcomes
- Total O/U 22.5 — 2 outcomes
- Total O/U 9.5 — 2 outcomes
- Total O/U 23.5 — 2 outcomes
- Total O/U 10.5 — 2 outcomes
- Spread -1.5 — 2 outcomes

_Every market's prices are on the event page._

## Open on a venue

- [Kalshi](https://betcrypto.now/go/e/350102?via=md)
- [Limitless](https://betcrypto.now/go/e/350063?via=md)
- [Polymarket](https://betcrypto.now/go/e/351788?via=md)

---

Probability is the cross-venue consensus (book midpoints, 0–100%). Venue columns are what buying costs there (the ask). Prices move constantly; re-check at the canonical URL or https://betcrypto.now/api/v1/events/kalieva-vs-costoulas.

BetCrypto is an odds-comparison and information service. It accepts no wagers and gives no betting or financial advice; prediction-market availability depends on where you live.