TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 4, 2:00 AM EST
Kalshi
This market tracks the highest temperature recorded in New Orleans on July 3, 2026, using official National Weather Service data. The outcome will be determined by the daily maximum temperature reported by the NWS Climatological Report for the New Orleans area.
Resolution is based on the maximum temperature recorded at New Orleans on July 3, 2026, as reported in the National Weather Service's Climatological Report (Daily) for the New Orleans, LA location. The official data source is accessed via the NWS Western Region Headquarters climate portal. Temperature ranges are divided into six bands: 90°F or below, 91-92°F, 93-94°F, 95-96°F, 97-98°F, and 99°F or above. Each temperature band corresponds to a distinct market outcome. Traders should note that preliminary NWS data may be subject to rounding and conversion nuances, and the final official report should be used for resolution rather than real-time or third-party weather services.
Prediction market odds reflect real-money trader consensus and often incorporate meteorological models, historical heat patterns, and climate trends faster than traditional analyst forecasts. While weather services and climate researchers publish seasonal outlooks and temperature projections, this market aggregates thousands of individual bets into a single probability estimate. Traders who monitor both institutional forecasts and this market often find that prediction odds lead or lag analyst consensus depending on how quickly new data—such as El Niño patterns or atmospheric conditions—gets priced in by active participants.
On Kalshi, this market is priced through a continuous order-book mechanism where traders buy and sell shares representing different temperature outcomes. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Each share reflects the probability that the highest temperature will fall within a specific range on July 3, 2026. Prices move in real time as new orders arrive and existing positions are filled, allowing the market to incorporate fresh weather forecasts, historical data, and trader conviction. The bid-ask spread tightens or widens depending on trading activity and uncertainty around the event.
This market resolves around Jul 4, 2026, after July 3, 2026 has passed and the day's peak temperature is recorded. The outcome is confirmed once the highest temperature for that day is verifiable from credible public sources. Traders holding shares in the outcome range that matches the official reading receive their payout, while other positions expire worthless. Resolution typically occurs within hours or a day after the event, once data is finalized and the platform processes settlement.
Several factors can shift odds in this market: updated seasonal climate forecasts, changes in ocean temperatures and atmospheric patterns affecting the Gulf Coast, historical heat-wave data, and real-time weather model runs as July 2026 approaches. Major climate events—such as shifts in the Atlantic hurricane season or unexpected warming trends—can reprrice expectations. Additionally, as the event date nears, day-to-day meteorological updates and trader positioning will cause price swings. Early summer heat waves in other regions or anomalies in regional weather patterns may also influence how traders assess the likelihood of extreme heat in New Orleans.