Most of the market’s 300,778 contracts traded since it opened came in the past 24 hours alone, when 250,596 contracts changed hands.
The hit
Traders on Kalshi price Daniil Medvedev at 60% to win the 2026 ATP Hangzhou title, up 19 points in a single day. The market moved from 41% to 60% yes, according to Kalshi’s public market data.
Why it matters
The move came on $251k of trades in 24 hours, according to Kalshi’s public market data. Kalshi’s own data does not say what prompted the shift.
The record
| Yes price now | 60% (Kalshi) |
|---|---|
| Yes price a day earlier | 41% (Kalshi) |
| 24-hour trading volume | 250,596 contracts, $251k (Kalshi) |
| Total volume since market opened | 300,778 contracts (Kalshi) |
| Market closes | 3 November 2026 (Kalshi) |
What happens next
The Kalshi market resolves to yes only if Medvedev wins the tournament outright. The market closes on 3 November 2026.
Sources: ATP Hangzhou Winner: Daniil Medvedev
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