MUMBAI — India’s stock market has seen a sharp slide over the past four trading sessions. The BSE Sensex plunged over 2,700 points, wiping out roughly ₹14 lakh crore in investor wealth as the total value of all listed companies fell from ₹483 lakh crore to ₹469 lakh crore.
The NSE Nifty also took a downward slide nearly 880 points over four days to hit 22,569 and bringing its total fall this year to more than 15%.
Think of the Sensex and Nifty as giant scoreboards showing the overall health of India’s top companies. When global conditions turn uncertain, these scoreboards drop quickly.
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Why Did the Market Fall on 29 Sep, 2026? The 3 Big Reasons
Market experts point to three main international triggers behind the sudden crash:
1. Oil Prices Jump Past $106 a Barrel
Peace talks between the United States and Iran hit a dead end after US President Donald Trump rejected an Iranian proposal to end their conflict and reopen the crucial Strait of Hormuz, a narrow sea route where most of the world’s oil travels.
This sent international crude oil prices jumping to around $106.50 per barrel. India imports more than 80% of its oil from abroad. When oil gets expensive, transporting goods costs more, everyday prices go up (inflation), and Indian companies earn smaller profits.
2. US Government Bond Rates Hit 5.2%
The interest rate on 10-year US government bonds climbed above 5.2%. In simple terms, when the US government offers high, guaranteed returns on its own bonds, big global investors prefer putting their cash into safe American assets instead of taking risks in developing stock markets like India.
Higher rates also mean global banks will likely keep loan interest rates high for a longer time, which slows down business growth everywhere.
3. Foreign Investors Are Cashing Out
Foreign Portfolio Investors (FPIs)—big international funds and institutions—have been selling off Indian stocks at a rapid pace. By September 25 alone, foreign investors had pulled over ₹25,680 crore out of regular shares in the Indian market, creating heavy downward pressure on stock prices.
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How the Fall Unfolded?
- Sept 23: The Sensex closed at 74,828.
- Sept 24: Fell 1,247 points to 73,580.
- Sept 25: A small bounce back of 315 points to 73,895.
- Sept 28: Crashed again by 1,124 points to 72,771.
- Sept 29: Dipped further during live trading to an intraday low of 72,064—well below its all-time high of 86,159 reached in December 2025.
