How Low Will US Gas Prices Get in September? - Below $4.20

Prediction market on polymarket_us. This market will settle to Yes if the US national average price of Regular gas is less than $4.20 for any date from September 9, 2026 through September 30, 2026, inclusive. Outcome sourced from AAA. This market settles based on the US national average gas prices published by AAA at https://gasprices.aaa.com/.

Resolves: 10/15/2026.