Nifty Midcap 100

The Nifty Midcap 100 is a mid-cap equity index maintained by NSE Indices Limited comprising 100 companies ranked between 101st and 250th by full market capitalisation on NSE — representing the core mid-cap segment of the Indian market, which includes companies that have graduated from small-cap status and are on a growth trajectory toward large-cap inclusion. The index uses free-float market capitalisation weighting and is reviewed semi-annually. Mid-cap companies in this index are typically more established than small-caps — with greater institutional research coverage, higher liquidity, and more stable business models — but retain the growth dynamism and valuation re-rating potential that distinguishes them from large-cap incumbents. The Nifty Midcap 100 has historically delivered superior long-term returns compared to the Nifty 50 during sustained bull markets — driven by higher earnings growth rates and valuation multiple expansion as companies scale — but also experiences sharper drawdowns during bear markets due to lower liquidity and higher beta. This index serves as the benchmark for many actively managed mid-cap mutual funds in India, including several top-performing schemes from prominent AMCs. For investors seeking mid-cap exposure through passive instruments, Nifty Midcap 100 ETFs and index funds are available. The performance gap between Nifty Midcap 100 active funds and the index has historically been meaningful — demonstrating that mid-cap segment inefficiency (lower analyst coverage, thinner institutional ownership) provides genuine alpha opportunities for skilled active managers.