Stock Market Crash of 2026: What Triggered the Global Sell-Off

Monday morning, March 9, global markets woke up to crude oil past $119 a barrel, levels not seen since mid-2022. The cause: a near-shutdown of the Strait of Hormuz, the passage through which roughly 20% of the world's oil supply moves.

The Sensex opened down over 2,400 points. Nifty fell below 24,000. In Asia, South Korea's Kospi triggered a trading halt. Everything moved fast.

Brent crude rose 29% intraday to $119.50 a barrel. WTI hit $119.48. The last time either benchmark was this high was during the worst of the Russia-Ukraine energy shock in mid-2022.

The weekend escalation was the trigger. Since February 28, the US-Israeli coalition has struck nearly 2,000 targets across Iran, including IRGC command facilities, ballistic missile production sites like the Parchin and Khojir complexes, air defense systems, and oil refineries, including Tondgouyan and Shahran. Iran responded with at least six waves of ballistic missiles targeting Israel between March 3 and 7, including cluster warheads, plus drone and missile strikes on US bases in Qatar, Bahrain, Saudi Arabia, the UAE, Kuwait, and Iraq.

Then came the shipping data that really moved prices. On March 7, only 3 vessels transited the Strait of Hormuz. GPS jamming was affecting over 1,100 ships daily. Two tankers, the PRIMA and MUSAFFAH 2, were struck near Oman. Tehran threatened a full blockade.

The Strait carries around 20 million barrels a day from Saudi Arabia, UAE, Iraq, Kuwait, and Qatar. Traders saw those numbers and didn't wait for confirmation.

Why Asia felt it so hard

Japan's Nikkei 225 dropped below 53,000, a one-month low. South Korea's Kospi fell nearly 8% and triggered a halt on Kospi 200 futures trading. Australia's ASX 200 was down about 3.7%.

It comes down to where Asian countries get their oil. Japan, the world's fifth-largest crude importer, sources about 75% of its supply from the Middle East. South Korea, fourth globally, has roughly 70% of its oil passing through the Strait of Hormuz. For both economies, a Hormuz disruption is not a distant geopolitical problem; it's a direct supply problem.

By the time US markets were about to open, Dow Jones futures had already dropped more than 800 points. S&P 500 and Nasdaq-100 futures were each down around 1.6%.

Higher oil prices flow into transport costs, manufacturing inputs, and consumer prices. Markets had been betting on inflation staying contained. A stock market crash of this scale resets that bet entirely.

What happened in India and why it hit fast

India didn't escape it. Sensex dropped more than 2,400 points right at the open. Nifty 50 fell below 24,000 and touched lows near 23,700 intraday. Over ₹12.78 lakh crore in market value was gone within the first few minutes.

None of this was a surprise. GIFT Nifty futures had already printed at 23,780, nearly 766 points below the previous close, before Indian exchanges even opened. FIIs had already sold equities worth ₹21,831 crore the previous week; Monday morning only accelerated the outflows.

India imports more crude oil than any country except China and the US. A spike of this size raises inflation risk, pressures the rupee, and widens the current account deficit simultaneously. The market factored all of it in before 9:30 AM.

Why oil and equity markets move together

Oil is an input cost for nearly everything, transport, manufacturing, packaging, logistics. When prices jump 29% in a day, every company across every sector has to rethink its cost base. That's why sell-offs like this hit auto stocks, airlines, chemical companies, and paint manufacturers all at once, not just energy names.

For investors

Oil shocks and geopolitical crises are not new. Markets recovered after 2022. They recovered after 2020. The pattern holds, even when the timing never does.

Doing nothing during weeks like this is genuinely difficult. It also tends to be the right call.