
Originally Posted by
jut703
For those who aren't familiar yet, gas prices usually change on Tuesdays (12am) if it's an increase or a small decrease. For bigger rollbacks though, changes are effected as early as 12am of Sunday, but sometimes they delay it to 12am of Monday (like this week's rollback).
So best to watch the news on these days (Saturday-Monday night) to know the actual price change.
Also, as early as the day after the price change, there are already price trends in the market for the next week, most accurately reported by Singapore's MOPs (Mean of Platts). This is the price of refined crude (either gasoline or diesel). However, since MOPs data isn't public, most people just speculate from Brent crude prices, which is easily searchable.
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