

With a base date of April 1, 2005, and a base value of 1,000, the index will be reconstituted semi-annually and is expected to serve as a benchmark for asset managers and passive investment products.
NSE’s index services subsidiary, NSE Indices Ltd, on Wednesday launched a new broad market index β Nifty MidSmallcap 400 50:50.
According to a press release, the Nifty MidSmallcap 400 50:50 Index is a capped version of the Nifty MidSmallcap 400 Index.
βThe mid cap segment represented by stocks forming a part of the Nifty Midcap 150 Index and the small cap segment represented by stocks forming a part of the Nifty Smallcap 250 Index are equally weighted. The weight of each stock within the segment is based on its free-float market capitalisation,β the release added.
The base date for the index is April 1, 2005, and the base value is 1000. The index will be reconstituted semi-annually in March and September.
The new index is expected to serve as a benchmark for asset managers and as a reference index for passive funds in the form of Exchange Traded Funds (ETFs), index funds, and structured products.
Published on February 4, 2026