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Markets
Wednesday, November 4, 2026
The Company Chronicle

Markets

Vance blames the Iran war for the GOP wipeout as oil slides: Brent near $99 and falling

The vice president said "everyone knows why we lost" after Democrats flipped both chambers. Crude was down more than 4% on CNBC's morning reading, and Tehran says Americans voted "no to war."

Chronicle chart of Brent crude futures over six months
Brent futures, six months, 19.5% below the Oct. 30 peak as of Nov. 4. Chart: The Company Chronicle, Yahoo Finance data. Photo: The Company Chronicle

Vice President JD Vance blamed the Iran war for Republican losses in Tuesday's midterms, in a social media post on Wednesday, CNBC reported. "The president himself said so last night," Vance wrote. "If you'd like to argue it was worth it, that losing the Senate for the next 6 years was worth it, then do so." He added: "But everyone knows why we lost." Reuters, the Financial Times and the Wall Street Journal ran the same story on Wednesday; we read CNBC's account in full and only the headlines of the others.

The scale of the result

According to the CNBC Election Desk, Democrats were projected as of early Wednesday to win at least 250 House seats and hold at least 54 Senate seats, with Republicans at a minimum of 160 and 42. Two Senate races were still uncalled. Our earlier coverage: election night Senate calls.

Trump's first on-camera remarks on Wednesday focused on the partly built White House ballroom and a new South Lawn helipad, CNBC said, and did not immediately acknowledge the defeat. The Hill headlined a separate report that Trump said the war was partially to blame; we did not read it in full, so we cannot quote the president directly.

Oil: the market read it as a step toward de-escalation

CNBC's live blog put Brent down more than 4% at $98.98 a barrel and U.S. crude down 4.3% at $91.99 in the morning. The Wall Street Journal's markets desk headlined that oil fell "further" after Vance's remarks. About 1:15 PM ET, Yahoo Finance showed Brent futures near $94.7, roughly 19.5% below the Oct. 30 peak on our chart. Those figures come from different times and data feeds, and front-month contracts roll, so treat the level as approximate and the direction as the point.

Why the market cares: the war has been a driver of fuel prices, and the Democratic Congress could use a binding War Powers Resolution to direct the president to end the conflict if Congress has not authorised it, as CNBC noted. That is a possibility, not a vote scheduled, and Trump retains veto power, which we have not seen addressed in the sources we read.

Iran's response

Iran's parliament speaker, Mohammad Bagher Ghalibaf, posted on X: "Conscience or the cost of living, Americans said NO TO WAR, and we endorse this message," and warned that if Washington "betrays their public will," Iran's "NO comes with a Nightmare," CNBC reported. An account for Supreme Leader Mojtaba Khamenei said shifts in U.S. parties should not raise hopes of changed behavior. CBS News' live headline says Trump said he would do it again. We did not confirm that wording independently.

Who it hits

A trucking company burning 10,000 gallons of diesel a month sees a $1 drop in pump diesel as $10,000 a month, so the direction of crude matters more than the headline. Airlines and delivery fleets are the other fuel-heavy groups. The risk runs both ways: a campaign that keeps going keeps crude volatile, and a rapid exit could pull prices lower again. See our Qeshm Island report for the situation going into the vote.

WTI crude, three months. Chart by TradingView.

More: crude oil chart, War Room.

Sources: CNBC live updates, CNBC on Iran's reaction, Financial Times and Reuters, WSJ and The Hill (headlines only), Yahoo Finance. This is market information, not investment advice.

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