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 8, 2:00 AM EST
Kalshi
This market tracks the lowest temperature recorded in Houston on July 7, 2026. The outcome will be determined by the official National Weather Service Climatological Report (Daily) for that date, with resolution based on which temperature range the recorded minimum falls into.
Resolution is determined by the minimum temperature recorded at Houston-Hobby on July 7, 2026, according to the National Weather Service's Climatological Report (Daily), accessible via the Houston-Hobby, TX location on the NWS website. The official data source is the NWS Climatological Report rather than preliminary reports or third-party weather services. Temperature measurements may be subject to rounding and conversion nuances in preliminary NWS data, so traders should verify against the final official report. The minimum temperature will fall into one of six defined ranges, each corresponding to a specific outcome.
Prediction market odds often diverge from traditional meteorologist forecasts because they incorporate real-time trader behavior, economic incentives, and crowdsourced conviction. While weather analysts rely on numerical models and historical patterns, this market aggregates the financial bets of participants who profit only if their temperature prediction proves correct. Over time, markets tend to reflect information faster than static forecasts, though both sources can disagree significantly weeks in advance. Comparing the two reveals how much uncertainty remains and where expert opinion and market consensus align or diverge.
On Kalshi, this market is priced through an order-book mechanism where traders buy and sell shares corresponding to different temperature ranges or outcomes. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Each share's price reflects the probability traders assign to that outcome, with bid-ask spreads tightening as more volume flows in. You can place limit or market orders to enter or exit positions, and the platform matches buyers and sellers in real time. Prices move continuously as new information arrives and traders update their views on Houston's weather for that date.
This market resolves around Jul 8, 2026, after July 7, 2026 has passed and the actual lowest temperature in Houston can be verified. The outcome is confirmed once credible public reporting—such as official weather station data or recognized meteorological records—documents the day's minimum temperature. Once that figure is established and reconciled against the market's outcome categories, traders' positions settle according to which bracket or threshold the actual temperature fell into. Resolution typically occurs within hours or a day after the event concludes.
Major weather pattern shifts, seasonal climate anomalies, and updated long-range forecasts from meteorological agencies can significantly move this market. El Niño or La Niña conditions, jet stream positioning, and historical heat or cold waves in July could all influence trader expectations. As the date approaches, medium-range forecasts become more reliable, typically causing sharper price moves in the final two weeks. Additionally, broader climate trends, unusual atmospheric events, or shifts in seasonal outlooks from NOAA or international weather services may prompt traders to reassess their positions and adjust market odds accordingly.