The , popularly known as the Sensex (a portmanteau of "Sensitive Index"), is the primary benchmark index of the Bombay Stock Exchange (BSE) . Often called the "Pulse of Dalal Street," it tracks the performance of 30 large, well-established, and financially sound companies across diverse industrial sectors. Historical Significance and Evolution
Launched on January 1, 1986, with a base year of 1978–79 and a base value of 100, the Sensex is India's oldest and most widely followed stock market index. It was coined by stock market analyst in 1989. Over four decades, it has grown from a triple-digit figure to surpassing 85,000 points in 2025, mirroring India's transition from a closed economy to one of the world's fastest-growing major economies. What is Sensex - Meaning, Milestones, Calculation - Groww sensex index