For months, every new missile strike, diplomatic setback and threat to the Strait of Hormuz sent traders rushing between oil, stocks and safe-haven assets. Now, markets are confronting a very different question: what happens when the war trade suddenly begins to unwind?
The United States and Iran have reached a Pakistan-mediated peace agreement intended to end months of hostilities and reopen the Strait of Hormuz. The announcement triggered an immediate relief rally across financial markets.
US stock-index futures advanced sharply. Nasdaq-100 futures climbed approximately 1.4%, S&P 500 futures gained around 0.8%, and Dow futures rose more than 300 points.
Oil moved in the opposite direction. WTI crude fell more than 4% to around $81 per barrel, while Brent crude dropped toward $84, reaching its lowest level in more than three months.
Precious metals also advanced, creating the unusual combination of rising stocks, rising gold and falling oil.
The Biggest Market Winner May Be Lower Inflation
The immediate rally in equity futures reflects more than relief that military operations may be ending. Investors are also pricing in the economic benefits of lower energy costs.
The conflict had disrupted traffic through the Strait of Hormuz, one of the world’s most important energy routes. Restrictions on shipping pushed oil prices higher, increased gasoline costs and renewed fears that energy inflation could force central banks to keep interest rates elevated.
Under the new agreement, the United States will remove its naval blockade while Iran will begin reopening the strait. Even if normal shipping activity takes months to restore, the announcement immediately reduced the risk that global oil supplies could become even more constrained.
Lower oil prices could reduce transportation, manufacturing and electricity costs while easing pressure on household budgets. US gasoline prices, which climbed to approximately $4.56 per gallon in May, have already fallen closer to $4. A sustained decline in crude could push prices lower during the summer.
For the stock market, this creates a powerful combination: reduced geopolitical risk, potentially lower inflation and less pressure on interest rates.
Airlines, transportation companies, consumer businesses and other energy-intensive industries could benefit directly from falling fuel costs. Growth and technology shares may also benefit if lower inflation reduces the risk of additional interest-rate increases.
Energy producers face the opposite pressure. The agreement removes part of the geopolitical premium that had supported oil prices, while the possibility of increased Iranian exports could add further supply to the market.
Why Stocks And Precious Metals Are Rising Together
Gold would normally weaken when geopolitical tensions ease and investors become more willing to take risks. This time, precious metals rose alongside equity futures.
The move suggests investors are trading more than the end of the conflict.
First, falling oil prices could reduce inflation expectations and make further interest-rate increases less likely. Lower interest rates reduce the opportunity cost of holding gold, which generates no income.
Second, optimism surrounding the agreement has pressured the US dollar. Because gold and silver are priced in dollars, a weaker currency makes precious metals less expensive for international buyers.
Finally, investors are not treating the agreement as a complete removal of geopolitical risk. Gold continues to offer protection in case negotiations fail, the Strait of Hormuz remains disrupted or fighting resumes.
The rally therefore combines two different forces. Equity investors are buying the prospect of stronger economic growth and lower inflation, while precious-metals investors are welcoming lower interest-rate expectations without abandoning protection against geopolitical uncertainty.
The reaction could be especially important ahead of the Federal Reserve’s upcoming policy meeting. If cheaper oil meaningfully improves the inflation outlook, markets may begin questioning whether policymakers still need to maintain a restrictive position for as long as previously expected.
The Peace Trade Still Has A Fragile Foundation
Although markets are celebrating, the agreement remains incomplete.
The two countries are expected to formally sign the deal in Switzerland on June 19. The agreement calls for an end to military operations and the reopening of the Strait of Hormuz, followed by a 60-day negotiating period covering Iran’s nuclear program, sanctions relief and other unresolved issues.
The complete text has not yet been released publicly. It is also unclear how quickly mines and other hazards can be removed from the strait, how rapidly normal shipping can resume and whether Iranian oil exports will return to international markets.
Regional tensions have not disappeared either. Recent Israeli strikes in Beirut nearly disrupted negotiations, demonstrating how quickly actions by Iran, Israel, Hezbollah or other regional forces could threaten the agreement.
This means the initial market reaction may represent the removal of the most extreme war scenarios rather than confidence in lasting peace.
Oil could continue falling if shipping activity recovers and Iranian exports rise. But with global inventories still relatively tight, any delay or renewed conflict could rapidly restore the geopolitical premium.
Stocks may also find that much of the good news has already been priced in after repeatedly rallying on earlier signs of diplomatic progress. The next stage of the trade will depend less on announcements and more on whether tankers actually begin moving freely through the Strait of Hormuz.
For now, markets are trading the agreement as a rare combination of positive growth, lower inflation and reduced geopolitical risk. Whether that combination lasts will determine if the peace deal becomes the start of a broader rally—or merely another temporary pause in an unusually volatile year.

