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 4, 8:00 AM EST
Polymarket
This market will resolve to the temperature range that contains the highest temperature recorded at the Taipei Songshan Airport Station in degrees Celsius on 4 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 Taipei Songshan Airport Station, available here: https://www.wunderground.com/history/daily/tw/taipei/RCSS. 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 Taipei Songshan Airport Station in degrees Celsius on 4 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 Taipei Songshan Airport Station, available here: https://www.wunderground.com/history/daily/tw/taipei/RCSS. 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 meteorological forecasts, historical temperature patterns, and seasonal climate data. Unlike traditional analyst predictions, this market aggregates dispersed information through price discovery—traders who accurately forecast Taipei's July 4 high temperature profit, creating incentives for accuracy. While meteorologists publish point estimates and confidence intervals, prediction markets distill those inputs into a single probability that updates continuously as new information emerges.
On Polymarket, traders buy and sell shares representing "yes" or "no" outcomes, with prices ranging from 0 to 100 cents per share. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current market price reflects the collective assessment of whether the highest temperature will hit 35°C, with each trade adjusting the odds based on supply and demand. Traders profit by correctly predicting the outcome, and the market price serves as a real-time probability estimate that evolves until resolution.
This market resolves around Jul 4, 2026, once the highest temperature recorded in Taipei on July 4 is verified against credible public sources. The outcome is determined by comparing the official daily maximum temperature to the 35°C threshold specified in the market. Traders holding the correct outcome receive their payout once the event is confirmed and the market settles.
Weather forecasts and seasonal climate updates are primary drivers of price movement in this market. Tropical storm systems, monsoon patterns, or heat waves affecting East Asia could shift expectations significantly. Real-time meteorological alerts, historical temperature comparisons from prior July 4 records, and atmospheric pressure data all influence trader positioning. As the event date approaches, intraday weather models become increasingly precise, typically causing sharper price adjustments in the final days before resolution.