TOTAL VOLUME:
$134b
24H VOL:
$107,351,958
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,416,970,024
400,720
Markets across
30,097
events
MATCHED EVENTS:
2,633
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 11, 8:00 AM EST
Polymarket
This market will resolve to the temperature range that contains the lowest temperature recorded at the Tokyo Haneda Airport Station in degrees Celsius on 11 Jul '26. The resolution source for this market will be information from Wunderground, specifically the lowest temperature recorded for all times on this day for the Tokyo Haneda Airport Station, available here: https://www.wunderground.com/history/daily/jp/tokyo/RJTT. 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 lowest temperature recorded at the Tokyo Haneda Airport Station in degrees Celsius on 11 Jul '26. The resolution source for this market will be information from Wunderground, specifically the lowest temperature recorded for all times on this day for the Tokyo Haneda Airport Station, available here: https://www.wunderground.com/history/daily/jp/tokyo/RJTT. 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 reflect real-money trader conviction and often incorporate weather forecasts, historical climate data, and seasonal patterns that professional meteorologists also consider. While this market prices the probability of a specific temperature threshold, traditional weather analysts typically issue point forecasts or ranges for the same date. Comparing the market's implied odds to published meteorological outlooks can reveal where traders see upside or downside risk relative to expert consensus, though both sources draw from similar underlying climate models and observational data.
On Polymarket, traders set the odds through an automated market maker that adjusts prices based on buy and sell volume. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current odds reflect the collective assessment of whether Tokyo's low will dip to 19°C or below, with prices updating continuously as new trades arrive. Higher trading volume typically narrows spreads and increases price stability, allowing participants to enter or exit positions with greater confidence in fair execution.
This market resolves around Jul 11, 2026, once July 11 has passed and the lowest temperature recorded in Tokyo for that day becomes verifiable. The outcome is confirmed against credible public sources that document Tokyo's meteorological data. Traders holding positions in the winning outcome receive their payout once resolution is finalized, while those on the losing side forfeit their stake.
Weather forecasts updated in the days leading up to July 11 are the primary catalyst for price swings in this market. Seasonal climate patterns, El Niño or La Niña conditions, and historical temperature records for Tokyo in mid-July all influence trader expectations. Major weather systems or heat waves affecting Japan could trigger sharp repricing, as could revisions from meteorological agencies. Real-time monitoring of official forecasts and regional weather alerts will help traders anticipate significant moves before resolution.