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 highest temperature recorded at the Wellington Intl Airport Station in degrees Celsius on 11 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 Wellington Intl Airport Station, available here: https://www.wunderground.com/history/daily/nz/wellington/NZWN. 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 Wellington Intl Airport Station in degrees Celsius on 11 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 Wellington Intl Airport Station, available here: https://www.wunderground.com/history/daily/nz/wellington/NZWN. 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 sentiment and broader information flows beyond official weather models. While meteorologists rely on atmospheric data and established forecasting techniques, this market aggregates the collective judgment of participants who have financial incentives to predict accurately. Comparing the implied probabilities here to published forecasts from weather agencies can reveal where traders expect conditions to differ from baseline models. This divergence sometimes highlights uncertainty or emerging data that official forecasts have not yet fully reflected.
On Polymarket, traders set prices by buying and selling shares corresponding to different temperature outcomes. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Each outcome has an associated probability derived from the ratio of shares traded, and prices adjust continuously as new trades occur. The market uses an automated market maker mechanism that ensures liquidity and allows participants to enter or exit positions at transparent, real-time rates. As the event date approaches and new weather data becomes available, prices shift to reflect updated expectations about the highest temperature Wellington will experience.
This market resolves around Jul 11, 2026, once the highest temperature recorded in Wellington for that day is confirmed and verifiable from credible public sources. The outcome is determined by the actual meteorological data recorded on the specified date, ensuring an objective and transparent settlement. Traders should monitor official weather station reports and temperature records as the event date approaches to assess how likely various outcomes have become. Resolution occurs after the day concludes and the final temperature is officially documented.
Major weather pattern shifts, updated seasonal forecasts, and real-time atmospheric data releases can significantly move this market. Unexpected climate systems, changes in ocean temperatures, or anomalous pressure patterns over the region may alter trader expectations. News about broader weather events affecting the Southern Hemisphere could also influence sentiment. As July 11 approaches, daily forecast updates from meteorological agencies will likely trigger price adjustments. Traders should watch for any unusual weather alerts or model consensus changes that might suggest the highest temperature will deviate from earlier expectations.