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: Jun 5, 8:00 AM EST
Polymarket
This market will resolve to the temperature range that contains the highest temperature recorded at the Cape Town International Airport Station in degrees Celsius on 5 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 Cape Town International Airport Station, available here: https://www.wunderground.com/history/daily/za/matroosfontein/FACT. 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 on Polymarket reflect aggregated trader beliefs about Cape Town's peak temperature on June 5, often incorporating meteorological forecasts, seasonal climate patterns, and real-time weather model updates. Analyst forecasts from weather services typically focus on deterministic point estimates or narrow confidence bands, whereas prediction markets price uncertainty across a wider range of outcomes. Market odds tend to update faster than traditional forecasts when new data arrives, making them a dynamic alternative lens for comparing expected temperature outcomes against expert consensus.
On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Polymarket, the highest temperature in Cape Town on June 5 is priced through an automated market maker or order-book mechanism, with each temperature outcome assigned a probability-weighted price. Traders buy and sell shares corresponding to specific temperature ranges or thresholds, and the market price of each outcome reflects the collective assessment of likelihood. As new weather data, seasonal patterns, or atmospheric conditions emerge, traders adjust positions, causing prices to shift. The current market odds and recent price history are visible on the dashboard, allowing you to track how conviction around different temperature scenarios evolves through June 5.
The market resolves on Jun 5, 2026, after the highest temperature in Cape Town on June 5 has been recorded and verified. Resolution depends on the official temperature reading from the designated weather station or meteorological authority serving Cape Town. Once the final temperature is confirmed, the market settles to the outcome bracket or threshold that matches the recorded high, and traders' positions are paid out according to their holdings in the winning outcome.
Several factors can shift market odds for Cape Town's peak temperature on June 5. Updated weather models and forecasts from meteorological agencies will influence trader positioning as June approaches. Seasonal climate patterns, ocean temperature anomalies, and atmospheric pressure systems over southern Africa can signal warmer or cooler conditions. Real-time weather alerts, changes in wind patterns, or unexpected cold fronts or heat waves in the region may trigger rapid repricing. Trading volume and new market participants entering the market can also amplify price movements as conviction around specific temperature ranges strengthens or weakens.