How high will US gas prices get in September?

Currently, the odds from this market reflect a different outlook than many traditional analyst forecasts. While some analysts predict moderate increases based on seasonal demand and supply factors, traders on Kalshi are pricing in a higher probability of a sharp spike. This divergence can offer valuable insights into crowd-sourced expectations that may not be fully captured by conventional models.

On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Kalshi, this market is priced through continuous trading where participants buy and sell contracts representing possible price peaks. The current top outcome shows a chance of 99.0%, with volume of $15,447. Prices adjust dynamically based on new information flows and trader activity, reflecting the collective guesswork of market participants.

This market resolves around Oct 2, 2026, with the outcome confirmed once official data from credible public sources verifies the highest recorded US gas price during September. The final settlement will compare the actual peak to the contract ranges that traders have been positioning on throughout the trading period.

Several signals could shift this market before it settles. These include unexpected disruptions in oil supply, changes in federal or state fuel policies, severe weather impacting refineries, and shifts in consumer demand due to economic changes. Any new information that affects supply-chain stability or driving patterns may cause rapid re-pricing as traders adjust their positions ahead of the September peak.