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 17, 3:00 AM EST
Kalshi
This market tracks the highest temperature recorded in Phoenix on June 16, 2026. The outcome will be determined by the official National Weather Service daily climatological report for Phoenix, which provides the authoritative temperature measurement for the day.
Resolution is based on the maximum temperature recorded at Phoenix on June 16, 2026, as reported in the National Weather Service's Climatological Report (Daily) for Phoenix, AZ. The temperature is divided into six ranges: 106°F or below, 107-108°F, 109-110°F, 111-112°F, 113-114°F, and 115°F or above. Each range corresponds to a separate market outcome. The official data source is the NWS Climatological Report accessed via the specified URL, and traders should note that preliminary NWS data may be subject to rounding and conversion nuances. While other weather sources like AccuWeather or Google Weather may provide guidance, only the NWS Climatological Report (Daily) serves as the definitive source for resolution.
Prediction market odds often diverge from traditional weather forecasts because they incorporate real-time trader conviction and broader information flows. While meteorologists rely on physics-based models and historical climate data, this market aggregates the collective judgment of participants betting real capital. Analysts may issue point estimates or confidence ranges months in advance, whereas market prices continuously adjust as June 16 approaches and new data arrives, sometimes revealing gaps between expert consensus and market-implied probabilities.
On Kalshi, this market is priced through an order-book mechanism where traders buy and sell contracts corresponding to different temperature outcomes. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Each contract settles to $1 if its outcome occurs or $0 if it does not, so the mid-market price directly reflects the implied probability. As traders place bids and offers, the spread tightens or widens based on liquidity and conviction, allowing you to enter or exit positions at transparent, continuously updated rates.
This market resolves around Jun 17, 2026, once the highest temperature recorded in Phoenix on June 16, 2026 is verified against credible public sources. The outcome is determined by official meteorological data, ensuring all positions settle fairly based on what actually occurred that day. Resolution typically occurs within hours of market close, allowing traders to see final results and receive payouts promptly.
Major climate patterns, seasonal forecasts, and long-range weather models will influence trading as June 2026 approaches. El Niño or La Niña conditions, shifts in the jet stream, and updated climate outlooks can all shift expectations for summer heat in the Southwest. Additionally, as the date draws closer, medium-range forecasts become more reliable, typically triggering sharper price moves. Real-time developments in global weather systems and any anomalous atmospheric conditions in the months leading up to mid-June will likely drive significant trading activity.