Global Stock Markets Lose £4.5 Trillion as Iran Conflict Triggers Severe Energy Shocks and Equity Sell-Offs

Global stock markets lose £4.5 trillion as the Iran conflict drives oil to $120. Investors weigh the impact of energy shocks and G7 strategic reserve plans.

By: AXL Media

Published: Mar 9, 2026, 5:04 PM EDT

Source: The information in this article was sourced from City AM

Global Equity Valuations Plummet Amid Regional Warfare

The escalation of hostilities in the Middle East has triggered a massive contraction in global financial markets, wiping nearly £4.5 trillion off the value of listed businesses worldwide. According to the Bloomberg World Exchange Market Capitalization index, the total value of the global stock market has descended from $157.5 trillion to $151.5 trillion since the start of the joint U.S.-Israeli military campaign. This rapid nosedive reflects deep investor anxiety over the stability of international commerce and the long-term fiscal costs of a high-intensity conflict involving a major energy producer. Financial analysts suggest the total losses may actually be higher than current reports indicate, as the most recent data does not fully account for the volatile trading sessions observed on March 9.

Energy Markets React to Strait of Hormuz Instability

Global energy prices experienced a dramatic surge on Monday, with Brent Crude oil spiraling to nearly $120 per barrel during overnight trading. This spike was driven by fears of a total blockade of the Strait of Hormuz, a maritime chokepoint responsible for approximately 20 percent of the world’s oil trade. However, prices retreated to approximately $100 per barrel as intelligence reports suggested that some commercial vessels had successfully navigated the waterway. Neil Wilson, an investor strategist at Saxo UK, characterized the current market environment as highly dynamic, noting that executives are largely trading on speculation and the fluctuating headlines regarding maritime security.

Indices Struggle Under Broad Selling Pressure

Major stock indices across the globe showed significant vulnerability upon Monday's opening, though some staged a fractional recovery by mid-day. The S&P 500 in the United States fell by as much as one percent at the opening bell before recouping some ground as oil prices eased off their overnight highs. In Europe, the FTSE 100 declined by 0.5 percent near its closing time, while the Euro Stoxx 50 saw a sharper drop of 0.7 percent. Market strategists observe that a broad deleveraging process is underway, as investors move away from equities in favor of more secure assets while awaiting a clearer signal regarding the duration of the military operations in Iran.