Federal Pressure Mounts on Big Oil Amid Gas Price Probe and Trade Scrutiny

Schlumberger (SLB) is highlighted as a standout in the oil-services sector, with insider activity showing $7.4 million sold in the last three months; the company is described as the world's premier oilfield-services provider, with a market cap around $71.4 billion and more than 75% of its revenue generated outside the United States.
Four major oil trades totalizing more than $2.6 billion were executed to profit from anticipated price declines amid US-Iran tensions, with exact amounts: $500 million on March 23; about $1 billion on April 7; $760 million on April 17; and $430 million on April 21.
Analysts note that futures prices do not always reflect physical gasoline prices because hedging costs and supply-chain adjustments can delay price drops at the pump, helping explain why pump prices may lag behind crude-cost movements.
The trade activity occurred against a backdrop of geopolitical tension and energy-market volatility, with reports noting that U.S. crude traded near or above $100 per barrel and tensions related to the Strait of Hormuz as factors driving market moves.
President Trump ordered the Department of Justice to investigate major oil companies for "price gouging" on June 24, posting on Truth Social that companies are not cutting pump prices fast enough even as crude oil costs fall Investing.com. The national average gas price has dropped only about $0.60 despite crude costs tumbling, a gap Trump called exploitation of American consumers.
The DOJ push is running alongside a separate but related probe. Regulators are examining four massive oil trades totaling more than $2.6 billion that appear timed to profit from price drops linked to U.S.-Iran ceasefire announcements Forbes.
Oil prices have been falling since a U.S.-Israel military campaign against Iran began in February 2026, sending crude above $100 per barrel and pushing the national average gas price from $2.98 to over $4.16 per gallon Investing.com. When crude began to drop, Trump expected immediate relief at the pump. It did not come fast enough for him.
Trump wrote on Truth Social: "The big Oil Companies are not dropping their price at the pump commensurate with the sharply lower prices they are paying for Oil... customers are being 'gouged'" Investing.com. Market analysts pushed back, noting that hedging strategies and refinery supply-chain adjustments create a natural lag between crude costs and gas-station prices GuruFocus.
Regulators at the DOJ and the Commodity Futures Trading Commission are scrutinizing four specific trades. First, $500 million in bets on falling oil prices were placed on March 23 at 19:55 GMT — just 15 minutes before Trump posted on Truth Social that U.S. attacks on Iranian power infrastructure would be delayed EnergyNow.com. Then, roughly $1 billion in similar bets were placed on April 7, hours before the U.S. and Iran announced a two-week ceasefire Reuters.
The pattern continued. A $760 million short position — a bet that prices would fall — was taken on April 17, just 20 minutes before Iran's Foreign Minister announced the Strait of Hormuz would reopen EnergyNow.com. Finally, $430 million in sell orders were placed on April 21 between 19:54 and 20:56 GMT, right before Trump announced an indefinite ceasefire extension Moomoo. Authorities stress this trading probe is separate from the pump-price investigation.
On June 15, Senators Elizabeth Warren and Sheldon Whitehouse sent formal letters to seven major oil companies, including ExxonMobil and Chevron, demanding details on their first-quarter profits and pricing strategies Warren.senate.gov. Warren and Whitehouse wrote: "While Americans suffer from high prices and the Iran War imposes tens of billions of dollars of new costs... the oil industry wins big."
The senators' concern is backed by numbers. Twenty-seven major oil companies are on track for $40 billion in combined Q1 2026 profits, with a projected annual windfall of $234 billion if oil stays near $100 per barrel Investing.com. The senators also pointed to a reported April 2024 dinner at Mar-a-Lago where Trump allegedly solicited $1 billion from fossil fuel executives in exchange for regulatory rollbacks, framing current profits as a political arrangement.
Oil executives are not staying quiet. They warned the White House that fuel inventories are at "tank bottom," arguing that sticky pump prices reflect critical shortages — not intentional gouging — according to The Washington Post. Bob McNally of Rapidan Energy Group confirmed the White House is "fully aware of the nearly universal alarm among oil companies and analysts" about summer inventory shortages.
No evidence of intentional price inflation has been produced yet. Inflation is running at a 4.2% annual pace as of May, with fuel costs dragging up grocery and utility prices for consumers The Washington Post. The DOJ investigations — both on pump prices and the suspicious trades — remain active, and no charges have been filed.
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