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Highest temperature in Zhengzhou on May 21?
Foretrace AI research
Understand the odds. Examine the reasoning.
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Choose a market to analyze 11 open questions · Evidence required
24h volumeUnavailable
Total volumeUnavailable
LiquidityUnavailable
Event end date · UTCMay 21, 2026
Price history
Market probabilityLoading price history…
Polymarket · UTC
Sampled market observations, not AI forecasts. Lines connect available observations. Legend values are current provider quotes; chart points may be older.
Outcomes & resolution rules
11 marketsThese are market-implied probabilities, not AI forecasts. A displayed quote may differ from the price available for your order.
23°C or belowOrders pausedMarket odds—
Will the highest temperature in Zhengzhou be 23°C or below on May 21?
Yes—Polymarket estimate
No—Polymarket estimate
- Liquidity
- $0
- Deadline · UTC
- May 21, 2026
- Yes bid / ask
- 0.0¢ / 100.0¢
- Trading fees
- Enabled · verify on Polymarket
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Resolution rules
This market will resolve to the temperature range that contains the highest temperature recorded at the Zhengzhou Xinzheng International Airport Station in degrees Celsius on 21 May '26. The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Zhengzhou Xinzheng International Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/cn/zhengzhou/ZHCC. To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C. This market can not resolve to "Yes" until all data for this date has been finalized. The resolution source for this market measures temperatures to whole degrees Celsius (eg, 9°C). Thus, this is the level of precision that will be used when resolving the market. Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.