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: Jun 30, 8:00 AM EST
Polymarket
This market will resolve to the temperature range that contains the highest temperature recorded at the Kuala Lumpur Intl Airport Station in degrees Celsius on 30 Jun '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 Kuala Lumpur Intl Airport Station, available here: https://www.wunderground.com/history/daily/my/sepang-district/WMKK. 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 Kuala Lumpur Intl Airport Station in degrees Celsius on 30 Jun '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 Kuala Lumpur Intl Airport Station, available here: https://www.wunderground.com/history/daily/my/sepang-district/WMKK. 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 meteorological forecasts because they incorporate real-time trader positioning and sentiment alongside expert models. While weather analysts rely on atmospheric data and historical patterns, this market aggregates the financial commitments of many participants with varying confidence levels. Significant gaps between market odds and published forecasts can signal either underpriced risk or overconfident trading. Comparing the two reveals whether professional meteorologists and market participants agree on the likelihood of specific temperature outcomes for the date in question.
On Polymarket, traders set prices through an automated market maker that adjusts odds based on buy and sell pressure across temperature outcome brackets. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Each contract represents a specific temperature range, and the cost to purchase a share reflects the market's implied probability of that outcome occurring. As traders accumulate positions, the pricing mechanism rebalances to maintain liquidity, ensuring that prices remain responsive to new information and shifting expectations about conditions in Kuala Lumpur on the settlement date.
This market resolves around Jun 30, 2026, once the highest temperature recorded in Kuala Lumpur on that date is verified against credible public sources. The outcome is determined by official meteorological data from recognized weather monitoring stations in the city. Traders holding contracts aligned with the verified temperature range receive their payout, while positions on incorrect brackets expire worthless. Resolution typically occurs within hours of the close of the trading day, pending confirmation of the final reading.
Weather forecasts updated by meteorological agencies can significantly shift odds as confidence in specific temperature ranges increases or decreases. Seasonal climate patterns, El Niño or monsoon activity, and historical anomalies in Kuala Lumpur's June temperatures all influence trader positioning. Breaking news about atmospheric conditions, tropical systems, or unusual heat events may trigger rapid repricing. Additionally, as the date approaches, real-time weather models become more precise, often causing sharp movements in this market as traders adjust positions based on the latest forecasts and observed conditions.