Gas is easing, but the Strait of Hormuz still has a hand in your wallet

The good news, for now

Monday brought the biggest one-day drop in crude in weeks. As talk of a US–Iran settlement spread, December contracts for West Texas Intermediate fell $6.72, or about 6.5 percent, to $97.40 a barrel, slipping under $100 for the first time since mid-October, according to Investing.com. Brent, the global benchmark, fell more than $7 to about $106.

Drivers are starting to feel it. AAA puts the national average for regular at $4.16 a gallon, down 14 cents in a week and 23 cents in a month. North Carolina is cheapest at $3.38. California is highest at $5.90.

Now the bad news. That $4.16 is still $1.13 above what Americans paid a year ago. ABC News reported in October that gas was running about 46 percent above where it stood before the war, and that diesel was close to an all-time high.

Why the relief is fragile

Hours after oil fell, US aircraft struck Iran's Qeshm Island beside the Strait of Hormuz, and prices bounced back on Tuesday. Tehran says it could reopen the strait within two days, but only if Washington accepts its terms, which include lifting the US naval blockade and releasing frozen Iranian assets. A senior Iranian official told Reuters the two sides remain far from a deal.

The waterway itself is still not normal. Investing.com counts at least 10 attacks on shipping since October 31, with insurance and freight costs at record highs, and notes that prediction markets now give even odds of the shaky truce collapsing by mid-November. If talks fail or strikes resume after the election, the same analysis expects Brent to jump back above $113 within hours.

Why the pump moves slower than the headlines

Gas prices tend to shoot up with crude and drift down slowly afterward. Part of that is retailers protecting their margins while they sell fuel they bought at higher prices. Part of it is the hidden cost of a war zone: ABC News described tankers resorting to expensive ship-to-ship transfers and crews being paid many times their normal wages to make the run. Those costs end up in what you pay to fill up.

It is not just your gas tank

Before the war, roughly a quarter of the world's seaborne oil and about a fifth of its liquefied natural gas moved through Hormuz, according to the Council on Foreign Relations. When the strait chokes, everything that rides on diesel feels it: trucking, farming, shipping and, eventually, the grocery bill. September's inflation report showed prices up 3.7 percent from a year earlier, with gasoline making up more than half of the monthly jump.

Afterlight opinion: budget for the swing, not the headline

Here is our position. A deal that has not been signed is not a deal, and households should not plan their winter around one. Washington should close an agreement that reopens the strait, because every week it stays half shut works like a tax on every American family. But until ink is on paper, the safest assumption is that prices can spike again with a single bad night in the Gulf.

So act like it. Fill up when prices dip instead of waiting for the bottom, and keep your tank at least half full so a sudden jump or a run on stations doesn't strand you. Combine errands and trim trips you don't need. If you heat with propane or heating oil, lock in what you can before winter demand peaks. Stock up on shelf-stable food now, while diesel-driven price rises are still working their way to the store. And if you keep fuel for a generator, store only small amounts in approved containers, away from the house, with a fuel stabilizer.

None of this is panic. It is what any careful household does when a price that matters is being set by a war it cannot control.

What to watch

Whether Washington and Tehran answer the latest Qatari proposal this week. Whether strikes widen after the election. Weekly AAA averages, and especially diesel, which hits food and shipping costs first. And any attacks on tankers or on the Saudi pipeline that now carries much of the region's oil around the strait.