KalshiCheck availabilityKYC requiredVerified resolution dataWell calibratedData quality warningNot meaningfully priced
Data as of Oct 5, 2026, 9:09 PM UTC · policy pm-quality-4
Current implied probability
Tomas Machac 64.7%
Tomas Machac 64.7%Market quality
46 / 100
Low quality24h Volume
—
Open interest
—
Open interest unknownBid / Ask
33.0% / 37.0%
Spread
4.0 pt
Moderate spreadMarket data
Updated 1 minute ago
Oct 5, 26, 5:50 AM UTCOct 20, 26, 4:00 AM UTC
Trends
Venue terms
Source: Kalshi
Informational venue terms only; CoinRithm paper trading uses its own rules.
- Early close:
- Yes
- Settlement timer:
- 5m (informational)
Rules
If Tomas Machac wins set 1 in the Zhizhen Zhang vs Tomas Machac professional tennis match in the 2026 ATP Shanghai Round Of 128, then the market resolves to Yes.
Settles via:ATP
- The following market refers to the Zhizhen Zhang vs Tomas Machac professional tennis match in the 2026 ATP Shanghai Round Of 128. If the match does not occur (signaled by a ball being played) due to a player injury, walkover, forfeiture, or any other cancellation (all before the match starts), the market will resolve to a fair price in accordance with the rules. If this match is postponed or delayed, the market will remain open and close after the rescheduled match has finished (within two weeks). If a retirement occurs, all markets that can be unconditionally settled based on play already completed will resolve accordingly. Any markets that cannot be unconditionally settled will resolve to Fair Market Price, as determined at the sole discretion of the Exchange. Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners.
Rules for each outcome
- Tomas Machac
- If Tomas Machac wins set 1 in the Zhizhen Zhang vs Tomas Machac professional tennis match in the 2026 ATP Shanghai Round Of 128, then the market resolves to Yes.
- Zhizhen Zhang
- If Zhizhen Zhang wins set 1 in the Zhizhen Zhang vs Tomas Machac professional tennis match in the 2026 ATP Shanghai Round Of 128, then the market resolves to Yes.
