TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 6, 8:00 AM EST
Polymarket
This market will resolve to the temperature range that contains the highest temperature recorded at the Beijing Capital International Airport Station in degrees Celsius on 6 Jul '26. The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Beijing Capital International Airport Station, available here: https://www.wunderground.com/history/daily/cn/beijing/ZBAA. 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 until the first data point for the following date has been published on the resolution source. 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. Revisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.
This market will resolve to the temperature range that contains the highest temperature recorded at the Beijing Capital International Airport Station in degrees Celsius on 6 Jul '26. The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Beijing Capital International Airport Station, available here: https://www.wunderground.com/history/daily/cn/beijing/ZBAA. 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 until the first data point for the following date has been published on the resolution source. 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. Revisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.
Prediction market odds often diverge from traditional weather analyst forecasts because they incorporate real-time trader behavior and financial incentives. While meteorologists rely on atmospheric models and historical data, this market aggregates the distributed knowledge of participants who have skin in the game. Traders may price in uncertainty, tail risks, or recent model updates faster than official forecasts update. Comparing the implied probability from market odds to the confidence levels published by weather services can reveal where market participants see additional risk or opportunity relative to expert consensus.
On Polymarket, traders set prices by buying and selling outcome shares in an automated market maker system. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Each outcome—such as whether the highest temperature will be 38°C—has a price between 0 and 100 cents, representing the implied probability. As traders place orders, the price adjusts to balance supply and demand. The current market price reflects the collective belief of all participants about the likelihood of that specific temperature outcome occurring on July 6.
This market resolves around Jul 6, 2026, once the highest temperature recorded in Beijing for July 6 is finalized and verifiable from credible public sources. The outcome is determined by comparing the actual peak temperature against the specific thresholds defined in each contract. Traders who correctly predicted the temperature range receive their winnings, while incorrect positions expire worthless. Resolution typically occurs within hours of the market end date, once official temperature data is published and confirmed.
Major weather model updates and seasonal forecasts can significantly shift odds as traders reassess the probability of extreme heat. Real-time atmospheric conditions, including high-pressure systems or heat waves affecting East Asia, often trigger sharp price movements. Climate anomalies, El Niño or La Niña patterns, and historical temperature records for early July in Beijing all serve as reference points. Breaking news about unusual weather patterns or unexpected meteorological developments can also prompt rapid repricing as participants adjust their positions based on new information.