Why Halliburton (HAL) Stock Is Falling Today

What Happened?

Shares of oilfield services company Halliburton (NYSE:HAL) fell 3.8% in the morning session after WTI crude oil plunged on Iran-US peace deal progress and renewed hopes for reopening the Strait of Hormuz. 

Oilfield services companies (Schlumberger (SLB), Halliburton (HAL), Baker Hughes (BKR), TechnipFMC, and the offshore drillers) get paid only when oil producers spend money drilling new wells. When oil prices drop sharply, producers slash their capex budgets within weeks, which directly cuts the revenue these service companies see in the next two to three quarters. Imagine a Permian shale producer that built its 2026 drilling budget assuming $100 oil. 

When oil drops to $93 in a single session, the math on the next 50 wells suddenly looks much thinner: fewer barrels make economic sense to extract. Producers respond by deferring or cancelling rig contracts, sand orders, hydraulic fracturing services, and completion equipment. That's exactly what oilfield services sell.

The stock market overreacts to news, and big price drops can present good opportunities to buy high-quality stocks. Is now the time to buy Halliburton? Access our full analysis report here, it’s free.

What Is The Market Telling Us

Halliburton’s shares are not very volatile and have only had 8 moves greater than 5% over the last year. In that context, today’s move indicates the market considers this news meaningful, although it might not be something that would fundamentally change its perception of the business.

The previous big move we wrote about was 21 days ago when the stock dropped 3.7% on the news that crude oil prices fell sharply as President Trump paused the Strait of Hormuz military escort and cited progress on a U.S.–Iran peace deal. 

Oil and gas company profits move almost directly with the price of oil: when oil falls, revenue per barrel falls, and profit margins compress. The Strait of Hormuz is a critical oil chokepoint: approximately 20% of global oil supply passes through it daily. When the strait is at risk from conflict, oil carries a geopolitical risk premium as extra price built in to reflect supply uncertainty. 

When that risk eases, the premium disappears and prices return toward the underlying supply-and-demand level. OPEC+, the group of major oil-producing countries, separately announced 188,000 barrels per day of additional supply starting June 2026, which added to the downward price pressure independent of the peace deal.

Halliburton is up 33.8% since the beginning of the year, and at $39.60 per share, it is trading close to its 52-week high of $42.98 from May 2026. Investors who bought $1,000 worth of Halliburton’s shares 5 years ago would now be looking at an investment worth $1,758.

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