TOTAL VOLUME:
$134.2b
24H VOL:
$129,159,707
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,442,132,418
404,744
Markets across
30,489
events
MATCHED EVENTS:
2,691
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Aug 6, 8:11 PM EST
Kalshi
This market focuses on predicting which player will win the first set in an upcoming professional tennis match. It allows participants to speculate on the early performance of the athletes before the match begins. Outcomes are determined purely by the result of the first set, regardless of the final match result.
If Aryna Sabalenka wins set 1 in the Aryna Sabalenka vs Shuai Zhang professional tennis match in the 2026 WTA Toronto Round Of 32, then the market resolves to Yes. If Shuai Zhang wins set 1 in the Aryna Sabalenka vs Shuai Zhang professional tennis match in the 2026 WTA Toronto Round Of 32, then the market resolves to Yes.