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how do we calculate stock exchange rates such as nifty,sensex etc.?

Calculation of Index (Sensex & NIFTY).

Stock is the smallest unit of ownership of a company in other words stock is a share in the ownership of the company. Stock is also called as share and equity. If a person purchases stocks of a company it means that he is one of the owners of the company, and ownership increases as he goes on purchasing more amount of stocks. Technically speaking a shareholder of a company owns a small part of every assets of the company such as building, furniture, trademarks, etc. A share holder holds ownership in all tangible and intangible assets of the company.Initially stocks were represented by share certificates which worked as the proof of ownership of the company but now it is dematerialized and every trading transaction happens through computer using DEMAT accounts. There are many stock exchanges in our country like BSE, NSE, Calcutta stock exchange, Bangalore  Stock Exchange, etc. But NSE and BSE are major among them most of the stocks are traded in these two Exchanges.

SENSEX

Sensex stands for “sensitive index”, it represents BSE (Bombay Stock Exchange). Sensex indicates all major companies of BSE. Sensex is calculated using share prices of 30 major companies which are listed in BSE. If the Sensex goes up it means that share values of most of the major companies have gone up and vice versa.

NIFTY

Nifty indicates NSE; it is the leading index for large companies in the National Stock Exchange of India. It consists of 50 companies representing 24 sectors of the economy. NIFTY represents approximately 47% of the traded value of all stocks on the National Stock Exchange. It is calculated using base year 1995 and base index value 1000.