TOTAL VOLUME:
$134.2b
24H VOL:
$130,522,377
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,438,389,636
404,028
Markets across
30,214
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 5, 2:00 AM EST
Kalshi
This market tracks the lowest overnight temperature recorded in Austin on Independence Day 2026. Resolution uses the official National Weather Service daily climatological report for Austin Bergstrom Airport, which may differ from other weather sources due to measurement methodology and rounding conventions.
Resolution is determined by the minimum temperature recorded at Austin Bergstrom on July 4, 2026, according to the National Weather Service's Climatological Report (Daily). The official data source is accessed via the NWS Austin office website under the Observed Weather tab. Temperature ranges are: 69°F or below, 70-71°F, 72-73°F, 74-75°F, 76-77°F, and 78°F or above. Each range corresponds to a distinct market outcome. The NWS Climatological Report (Daily) serves as the authoritative source; preliminary NWS data may contain rounding or conversion nuances that differ from commercial weather services, and traders should exercise caution when interpreting preliminary reports.
Prediction market odds reflect aggregated trader expectations and often diverge from traditional meteorological forecasts because they incorporate real-time information, historical patterns, and market incentives. While weather analysts issue deterministic point forecasts or ranges based on atmospheric models, this market prices uncertainty through continuous bidding. Traders who believe the consensus underestimates or overestimates the likelihood of extreme heat or cooler conditions can profit by taking opposing positions. Over time, prediction markets have demonstrated competitive accuracy against expert forecasts, particularly when traders have strong domain knowledge and financial motivation to get the outcome right.
On Kalshi, this market is priced through a continuous limit-order book 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 settles to either $1 or $0 depending on whether the actual low temperature falls into the specified range. The current bid-ask spread and volume at each price level determine how easily traders can enter or exit positions. As new information arrives—updated seasonal forecasts, historical climate data, or real-time weather developments—traders adjust their bids and offers, causing the market price to move and reflecting updated collective expectations about Austin's temperature on July 4, 2026.
This market resolves around Jul 5, 2026, after July 4, 2026 has passed and the actual lowest temperature recorded in Austin that day is confirmed. The outcome is determined by verified data from credible public sources documenting the official low temperature for that date. Once the event is verifiable and the temperature reading is finalized, the market settles automatically and traders' positions are paid out according to which outcome occurred. All shares corresponding to the correct temperature range are worth $1, while incorrect shares expire worthless.
Several factors could shift odds significantly before resolution. Updated seasonal climate forecasts, El Niño or La Niña patterns, and long-range weather models issued closer to July 2026 will influence trader expectations. Historical heat records for Austin in early July, shifts in atmospheric circulation, and any unusual climate anomalies reported by meteorological agencies can trigger repricing. Real-time weather data in late June 2026 will be especially impactful as traders refine their predictions based on the most current conditions. Additionally, any major climate events or anomalies during the months leading up to July 4 could alter the market's assessment of temperature likelihood.