About Nifty Smallcap 100 The Nifty Smallcap 100 Index is designed to reflect the behavior and performance of the small-cap segment of the Indian financial market. It comprises 100 tradable stocks listed on the National Stock Exchange (NSE). The index is computed using the free float market capitalization method, where the level of the index reflects the total free float market value of all the stocks in the index relative to a particular base market capitalization value. The Nifty Smallcap 100 Index can be used for a variety of purposes such as benchmarking fund portfolios, launching index funds, exchange-traded funds (ETFs), and structured products.