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: Jul 5, 12:59 AM EST
Kalshi
This market tracks the highest temperature recorded in Miami on Independence Day 2026. Weather conditions on July 4th in Miami typically feature hot and humid summer conditions. The resolution uses official National Weather Service data from Miami International Airport.
Resolution is determined by the highest temperature recorded at Miami International Airport on July 04, 2026, as reported in the National Weather Service's Climatological Report (Daily). The temperature is divided into six ranges: 87° or below, 88-89°, 90-91°, 92-93°, 94-95°, and 96° or above, with each range corresponding to a distinct market outcome. The official and final temperature value comes exclusively from the NWS Climatological Report (Daily); preliminary NWS data, AccuWeather, Google Weather, and other sources serve only as reference guides. Traders should be aware that preliminary NWS reporting and measurement methods may involve rounding and conversion nuances that could affect interpretation of borderline values.
Prediction market odds reflect aggregated trader expectations and often diverge from traditional meteorological forecasts or seasonal analyst models. While weather forecasters typically issue predictions days or weeks in advance using physics-based models, this market allows traders to continuously update their views as new data emerges. The odds you see here represent real money at stake, which can create different incentive structures than published forecasts. Comparing the market's implied probability to official weather service outlooks or climate analyst reports can reveal where traders believe consensus estimates may be underweighting or overweighting the likelihood of extreme heat in Miami on that date.
On Kalshi, this market is priced through an order-book mechanism where traders buy and sell contracts representing different temperature ranges for July 4, 2026 in Miami. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Each contract's price reflects the collective belief of market participants about the probability of that outcome occurring. As traders place bids and asks, the spread narrows or widens based on conviction and liquidity. The platform displays the best bid-ask prices in real time, allowing you to execute trades at current market rates or place limit orders to wait for your target price.
This market resolves around Jul 5, 2026, once the highest temperature recorded in Miami on July 4, 2026 is verified and finalized. The outcome is confirmed against credible public sources documenting the actual weather data for that day. Until the event occurs and official measurements are published, the market remains open for trading. Traders can adjust positions right up until the close, making final bets based on forecasts and real-time weather updates as Independence Day approaches.
Several factors can shift odds in this market before resolution. Long-range climate forecasts and seasonal outlooks released by meteorological agencies may indicate whether summer 2026 is expected to be hotter or cooler than normal. Tropical weather patterns, El Niño or La Niña conditions, and Atlantic hurricane activity can all influence Miami's temperature trajectory. As July 4 approaches, short-range weather models become more reliable, and traders will react to updated forecasts. Historical heat records, urban heat island effects, and any unusual atmospheric conditions reported in the months leading up to the event can also prompt repricing as new information becomes available.