S&P BSE SENSEX, first compiled in 1986, was calculated on a ‘Market Capitalization-Weighted’ methodology of 30 component stocks representing large, well-established and financially sound companies across key sectors.

The base year of S&P BSE SENSEX was taken as 1978-79.

S&P BSE SENSEX today is widely reported in both domestic and international markets through print as well as electronic media.

The growth of the equity market in India has been phenomenal in the present decade. Right from early nineties, the stock market witnessed heightened activity in terms of various bull and bear runs. One can identify the booms and busts of the Indian equity market through S&P BSE SENSEX. As the oldest index in the country

Representing various industry sectors in the country, these 30 companies are some of the largest in the country whose stocks are very actively traded. The BSE Sensex is always considered as the pulse of the domestic stock exchange markets in India.

Here is a list of some historical jumps in SENSEX

• July 25, 1990 The first notable milestone in the history of SENSEX, when it touched four figures for the time closing at 1001, this was attributed to the excellent corporate gains in the country and favorable monsoon
• 15 January, 1992 SENSEX for the first time crossed its 2000 mark and touched 3000 on 29 February, 1992; crossed the 4000 mark on 30 March, 1992; touched 5000 on 11 October, 1992 and crossed 6000 mark on 11 February 2000
• On June 21, 2005 SENSEX crossed 7000 marks leading to the settlement between Ambani Brothers and thus giving a boost to the investors
• November 5, 2010 the SENSEX crossed 21,000 mark with a huge jump reaching a peak of 21,078 points. This record was maintained for about 3 years and SENSEX closed at 21,033.97 points on October 30, 2013.
• On 13 May 2014 SENSEX reached 24000 points, following the results of the exit poll showing that the NDA led by BJO would form the government at the center following the general elections for the Lok Sabha 2014.
• On June 5, 2014, SENSEX closed above 25,000 points and it touched the 26,000 watermark on July 7, 2014, when the country anticipated a budget that would reform the country soon.
• When the Reserve Bank of India cut down the repo rates, the SENSEX crossed the 30,000 mark on 4 March 2015
• On 26 May 2017 SENSEX crossed 31000 points level for the first time and crossed 32000 points on 13 July 2017.
• Both SENSEX AND NIFTY show-cased one of the biggest jumps on 19 May, 2019 after the exit poll results showing that the Modi Government might retain the ruling power over the central government. SENSEX reported its biggest ever-closing figure 39352.67 points.
• The Latest Historical Jump on 20, September 2019, the SENSEX stock index made yet another historical jump following the announcement by the Finance Minister Nirmala Sitharaman which said the corporate tax rates for the domestic companies will be cut down from 30% to 22% with effect from 1 April.