Nifty 500

The Nifty 500 was introduced to give investors and analysts a comprehensive view of the Indian equity market beyond the 50 or 100 largest companies. It includes all companies that form the Nifty 100, Nifty Midcap 150, and Nifty Smallcap 250 indices, making it a true representation of the breadth of India's listed corporate universe. The index is float-adjusted market-capitalisation weighted, and its constituents are reviewed semi-annually by NSE Indices Limited.

The Nifty 500 captures the performance of industries and businesses that may not find representation in the Nifty 50 — from regional banks and specialty chemicals to niche consumer brands and infrastructure players. During India's economic growth phases, the Nifty 500 often outperformed the Nifty 50 because smaller companies tend to grow faster from a lower base. For instance, during the mid-cap rally that ran through 2016–2018, Nifty Midcap indices outpaced the Nifty 50 significantly, a trend reflected in the broader Nifty 500 performance.

For retail investors seeking diversified exposure to the Indian economy, Nifty 500 index funds offer a compelling option. Rather than concentrating in just 50 large companies, these funds spread exposure across 500 companies, reducing single-stock and single-sector concentration risk. SEBI's categorisation of mutual funds has made flexi-cap and multi-cap funds compare themselves against broader benchmarks like the Nifty 500, further elevating its importance.

An important nuance is that while the Nifty 500 is broad, the top 50 companies by market cap still dominate its weight due to the float-adjusted methodology. Small-cap companies in the index may individually contribute less than 0.1% to its weight, meaning the index's movement is still heavily influenced by its large-cap constituents. Investors looking for pure mid-cap or small-cap exposure should use dedicated indices rather than assuming the Nifty 500 offers balanced representation across all size segments.