Nifty is a term that is commonly used to refer to the National Stock Exchange of India’s Nifty 50 index,
which is a market index that represents the performance of the top 50 companies listed on the National Stock Exchange of India.
The Nifty 50 index is widely used as a benchmark for the overall performance of the Indian stock market and is considered to be a bellwether for the Indian economy.
It is calculated using free float market capitalization weighted methodology, where the level of the index reflects the total market value of all the stocks in the index relative to a particular base period.
The Nifty 50 index is also known as the Nifty index or simply the Nifty.

Difference Between NIFTY and BANK NIFTY

The Nifty 50 index represents the performance of the top 50 companies listed on the National Stock Exchange of India (NSE), while the Bank Nifty index represents the performance of the top 12 banking and financial services companies listed on the NSE.
The Nifty 50 index is a market index that is widely used as a benchmark for the overall performance of the Indian stock market and is considered to be a bellwether for the Indian economy. It is calculated using free float market capitalization weighted methodology, where the level of the index reflects the total market value of all the stocks in the index relative to a particular base period.
On the other hand, the Bank Nifty index is specifically designed to measure the performance of the banking and financial services sector in India. It is calculated using free float market capitalization weighted methodology, similar to the Nifty 50 index.

Both the Nifty 50 index and the Bank Nifty index are highly liquid and widely followed by investors and market participants in India. They are both considered to be important indicators of the performance of the Indian stock market and are frequently used as benchmarks for investment and trading strategies.