2026-10-23

Brent Crude Hits 5-Month High Near $113 on Report of Post-Midterm Iran Strike Plans - US Stocks Jittery Ahead of Next Week's FOMC

Written & reviewed by the TradeSmrt editorial team · 2026-10-23

In this article

What Happened
Why a "Plan" Alone Can Move Oil and Stocks This Much
What to Take Away From This
FAQ
Sources

What Happened

On the night of Tuesday, October 21, The New York Times reported that the US and Israeli militaries have drawn up plans for renewed strikes on Iran to be carried out after the November 3 midterm elections. Citing officials briefed on the discussions, the report said the two countries' militaries have already worked out specific targets covering Iran's nuclear facilities (potentially including a deeply buried site known as "Pickaxe Mountain"), its missile and drone capabilities, and energy infrastructure. Some military planners reportedly believe a concentrated, three-day campaign could be enough to shift Iran's position. Defense Secretary Pete Hegseth reportedly discussed the option directly with Israeli Prime Minister Benjamin Netanyahu during a recent visit, and US and Israeli forces have already run joint strike-maneuver drills over Iraq.

Crucially, the report describes a prepared plan, not a decided attack. President Trump has said he will not strike before the midterms, and whether the plan is ultimately authorized remains uncertain; the White House is reportedly also keeping diplomatic options open. That ambiguity reflects where the broader US-Iran conflict, which escalated into open hostilities back in February, currently stands - cycling between lulls and flare-ups rather than reaching a clear resolution. Shortly after the report broke, Iranian officials raised the stakes further, threatening to widen retaliation beyond the Gulf oil facilities they had previously warned about to include data centers and undersea internet cables.

Markets reacted immediately. On Thursday, October 22, Brent crude - the global benchmark - jumped 4% to settle at $113.17 a barrel, its highest close since May 4, roughly five months earlier. West Texas Intermediate (WTI) rose 2.4% to $99.47. Brent is now up more than 50% from where it stood before the Iran conflict escalated in February, and this report pushed that rally a leg further. US equities had an already tense session, with the geopolitical headline landing in the middle of a heavy earnings week packed with reports from Meta, Tesla, IBM, and Lam Research. The Nasdaq Composite fell more than 2%, led by semiconductor and AI-linked names, while the S&P 500 slipped over 1%. The Dow Jones Industrial Average held up comparatively well, finishing close to flat, and the equal-weight S&P 500 (tracked by the RSP ETF) actually edged higher - a sign the selling was concentrated in a handful of mega-cap tech and chip names rather than spread across the market. Safe-haven demand pushed money into Treasuries, and the 10-year yield fell sharply on the day.

Why a "Plan" Alone Can Move Oil and Stocks This Much

The first thing worth unpacking is that no strike actually happened - a report that a strike plan exists was enough to move markets this much. Oil markets are forward-looking by nature: they price in the probability of a future supply disruption, not just confirmed disruptions themselves. The Middle East, straddling the Strait of Hormuz, is a corridor through which a large share of the world's seaborne crude passes. With Iran already threatening retaliation against Gulf oil infrastructure and undersea cables, and reports confirming the US and Israel have concrete strike plans ready, traders price in both the probability that an attack actually happens and the scale of disruption if it does. That Trump hasn't given final authorization didn't fully reverse the oil move, because uncertainty itself gets priced in as a risk premium - it doesn't need to resolve into an actual event to matter.

The second thread is how this translates into US equities, and it runs through three channels. First, fuel-cost-sensitive sectors like airlines, shipping, and logistics see an immediate hit to input costs. Second, energy prices feed directly into the Consumer Price Index, so a sustained rise in oil threatens to undo recent progress on cooling inflation readings. Third, geopolitical uncertainty on its own tends to reduce risk appetite, and that typically shows up first as profit-taking in the highest-valuation, most growth-dependent names - precisely the pattern seen this session, with chip and AI-related stocks leading the selloff while the Dow held comparatively steady. What makes this particular day more layered is that Treasury yields fell sharply at the same time. War-risk episodes typically send money into government bonds as a safe haven, pushing yields down - and lower yields can, in other circumstances, be read as the Fed having more room to ease. So the oil shock and the yield decline were effectively pulling markets in two different directions at once.

This pattern isn't new. Ahead of Iraq's 1990 invasion of Kuwait and again just before the 2003 Iraq War began, oil prices climbed for weeks before a shot was fired, and a meaningful share of those gains reversed quickly once the war either started or ended and the actual disruption could be measured against what had been priced in. Markets price expectations about probability and scope, not the event itself - so the price moves first when a report makes the probability concrete, and it corrects later once the real outcome (whether an attack happens, and how much supply is actually disrupted) becomes known. Given that tensions around the Strait of Hormuz have already flared and cooled multiple times since February, this latest spike could just as easily see-saw again before any strike is confirmed or ruled out.

That's exactly why next week's calendar matters so much. The Federal Open Market Committee holds its seventh scheduled meeting of the year on October 27-28, with the rate decision due at 2:00 p.m. ET on the 28th. The Fed has leaned toward cutting or holding rates in recent months on the back of softening employment data - but oil spiking to a five-month high adds a fresh variable: the risk that inflation reaccelerates just as the labor-market case for easing builds. Cooling employment argues for cuts; oil-driven inflation risk argues for caution - two signals pulling in opposite directions make the Fed's calculus for this meeting considerably more complicated. Markets are reacting this sharply ahead of the FOMC precisely because the meeting isn't just another rate print - it's the next real test of whether the Fed can keep easing even with an oil shock in the mix.

What to Take Away From This

A "plan" and an actual attack carry very different weight in the real world, but not always in markets. No strike has happened, yet oil already hit a five-month high. Geopolitical risk gets priced in as the probability of an event rises, well before the event itself occurs.
An oil shock doesn't hit every sector the same way. The Dow held up while the Nasdaq fell more than 2% the same day - when oil and geopolitical risk flare up, separate the sectors taking a direct cost hit (airlines, shipping) from high-valuation growth names where investors simply take profits first.
An index drop doesn't automatically mean the whole market is weak. The Nasdaq and S&P 500 fell, but the equal-weight S&P 500 actually rose. Check whether a decline is concentrated in a handful of mega-caps or genuinely broad-based before reading too much into the headline number.
When geopolitical risk and monetary policy collide, weigh which signal is stronger. With oil-driven inflation risk and labor-market-driven rate-cut hopes both in play right now, next week's FOMC statement and press conference will be a key signal for whether the Fed treats this oil shock as transitory noise or a more lasting risk.

FAQ

Are the US and Israel actually going to strike Iran again?

As of now, this is a reported plan, not a confirmed decision. President Trump has said he won't authorize an attack before the November 3 midterms, and diplomatic options are reportedly still being explored. That said, officials describe the military planning as specific - down to targets and operation length - so the period right after the midterms is worth watching closely.

Why do tech and semiconductor stocks fall harder when oil prices rise?

Rising oil prices don't directly raise costs for most semiconductor companies. Rather, when geopolitical uncertainty increases, investors tend to de-risk first in sectors with the highest valuations and the most growth priced in years into the future - and big tech is currently in the middle of an earnings season defined by intense AI-spending competition, which makes that kind of profit-taking easier to trigger.

Will the oil spike affect next week's Fed decision?

It's unlikely to flip the rate decision outright, but it will almost certainly be part of the discussion. The Fed has recently leaned toward cuts or holds based on softening labor data, and a sustained rise in oil prices raises the risk that inflation reaccelerates. Watch the October 28 statement and Fed Chair Jerome Powell's press conference for how explicitly they reference oil prices and Middle East risk.

Sources

This article is an original synthesis and analysis based on the reporting below, not a reproduction of the original articles. Please check the sources directly for the latest exact figures.

⚠️ This article is for informational purposes only and is not investment advice. Market conditions change constantly, so please verify the latest data before making any investment decisions.