TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 19, 2:00 AM EST
Kalshi
This market tracks the highest temperature recorded in Oklahoma City on June 18, 2026. The outcome will be determined by the official National Weather Service Climatological Report (Daily) for Oklahoma City Will Rogers Airport, with six temperature bands ranging from 81°F or below to 90°F or above.
Resolution is based on the maximum temperature recorded at Oklahoma City on June 18, 2026, according to the National Weather Service's Climatological Report (Daily) for Oklahoma City Will Rogers Airport. The official data source is accessed via the NWS website under the "Observed Weather" tab. Temperature outcomes are divided into six bands: 81°F or below, 82-83°F, 84-85°F, 86-87°F, 88-89°F, and 90°F or above. Each band resolves to Yes if the recorded temperature falls within that range. Traders should note that preliminary NWS reporting may be subject to rounding and conversion nuances, and the final official NWS Climatological Report (Daily) takes precedence over other weather data sources.
Prediction market odds reflect real-money commitments from traders and often incorporate diverse information sources—weather models, historical records, and seasonal patterns—that professional meteorologists also consider. Unlike static analyst forecasts, this market updates continuously as new data emerges and traders adjust positions. Markets can sometimes diverge from official forecasts when traders identify overlooked signals or when consensus shifts rapidly. Comparing the implied probability here to published weather outlooks for mid-June in Oklahoma City offers insight into whether the market is pricing in more or less extreme heat than experts currently project.
On Kalshi, this market is priced through an order-book mechanism where buyers and sellers submit bids and offers for different temperature ranges or outcomes. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Traders compete to set the clearing price, which reflects the aggregate belief about the likelihood of each outcome. As new information arrives—updated climate data, seasonal forecasts, or real-time weather developments—participants adjust their orders, causing prices to move. The spread between bid and ask prices narrows or widens based on trading activity and conviction levels, giving participants a real-time gauge of market confidence around the June 18 temperature prediction.
This market resolves around Jun 19, 2026, after June 18, 2026 has passed and the actual high temperature for Oklahoma City that day is verifiable from credible public sources. The outcome is determined by comparing recorded weather data against the prediction ranges or thresholds defined in the market. Once the official temperature reading is confirmed and matched to the market's outcome categories, traders' positions settle according to which bracket or outcome occurred. Resolution typically happens within hours of the day's close, allowing winners and losers to be determined promptly.
Several factors could shift odds in this market before resolution. Updated seasonal forecasts or climate models predicting warmer or cooler conditions in mid-June would trigger repricing. Historical heat records for Oklahoma City on that date, or analogous years, may influence trader positioning. Real-time weather developments—such as high-pressure systems, drought conditions, or unusual atmospheric patterns—can alter expectations. Media coverage of extreme heat events or climate anomalies may sway sentiment. As June 18 approaches, short-range forecasts become more precise, typically reducing uncertainty and stabilizing prices. Traders also monitor broader regional temperature trends and any anomalies in spring or early summer conditions that could foreshadow an unusually hot day.