Calculating And Maintaining The Nifty 50

Calculating And Maintaining The Nifty 50

The Nifty 50 at is an index of the stock market that is originally based on the National Stock Exchange of India’ s benchmark. It is owned by India Index Services and Products (IISL) and is an index for the Indian equity market in which shares are traded. In simple words, an equity market is a place where people buy or sell stocks. Initially, there was not a final list of all of the companies together comprising it. However, these companies did share numerous common characteristics such as consistent growth and strong balance sheets. Moreover, it stands for National Index Fifty and constitutes a weighted average of 15 different Indian company’s stocks.

Maintaining the index

To ensure stability and error-free data, it is important to efficiently maintain the index. Any change in the index is a symbol of changes occurred in the market capitalization. These changes are generally caused by corporate actions taken by any company including mergers, distribution to shareholders, and dividend payments, etc. In a case where a stock has taken place of another stock in the index, the index divisor is customized. The main aim behind doing this is to prevent any change in the index level that can result from any change in index market value.

Nifty 50

Maintaining the Nifty 50 also includes maintaining the adjustments made by any company including any type of addition or depletion, changes in stocks and shares, etc. It must be noted that some changes such as stock splits or dividends require simple changes in shares outstanding.

Index calculation

Initially, the index was calculated on full market capitalization and was later on changed to a free-float market methodology. In this method, the index level depicts the total market value of the stocks using the base year November 3, 1995. The base year also represents the annual completion of the National Stock Exchange of India’s (NSE) Capital Market Segment. The base value is predetermined and is 1000 whereas the base capital is Rs.2.06 trillion.

On the other hand, the total value of the market capitalization of a company is the product of the market price and the total amount of its outstanding shares.

The Nifty 50 is calculated in real-time and only considers the stock price movements. Stock price movements are caused by a variety of factors, however, they are primly affected by the market forces of demand and supply. The main aim behind doing, this is to prevent any change in the index level that can result from any change in index market value.


This index can be used for various purposes such as index funds, derivatives based on the index, fund portfolios, etc. It represents up to 62.9% of stocks listen in NSE’s free-float market cap.  You can also check uavs stock information at .

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