Nifty 50 and Sensex are India's two most popular stock market indices. While both track the overall market, they have some key differences.

Nifty 50

  • Exchange: National Stock Exchange (NSE)
  • Number of companies: 50
  • Base year: 1995-96
  • Base value: 1,000
  • Represents ~65% of NSE's total market capitalization

Sensex (BSE Sensex)

  • Exchange: Bombay Stock Exchange (BSE)
  • Number of companies: 30
  • Base year: 1978-79
  • Base value: 100
  • Represents ~45% of BSE's total market capitalization

Key Differences

FeatureNifty 50Sensex
ExchangeNSEBSE
Companies5030
BroadnessBroaderNarrower
Established19961986

Which One Should You Follow?

Both indices move in the same direction most of the time because they share many companies. Nifty 50 is more widely used for trading (F&O, index funds). Sensex is older and often quoted in international media.

Can You Invest in Them?

Yes — you can invest in index funds or ETFs that track either Nifty 50 or Sensex. They offer low-cost diversification across India's largest companies.

Disclaimer: This article is for educational purposes only.