The NIFTY Midcap 50 Index represents about 6% of the free float market capitalization of the stocks listed on NSE as on March 29, 2019. The total traded value for the last six months ending March 2019, of all index constituents is approximately 13.3% of the traded value of all stocks on NSE. NIFTY Midcap 50 Index was computed using market Screeners of BSE Mid-Cap for top gainers and losers and high volume stocks, stocks hitting or near their new 52 week highs and new 52 week lows and stocks which have fallen or gained the most from their 52 week highs and lows. BSE MidCap Overview Comprehensive information about the S&P BSE Mid Cap index. More information is available in the different sections of the S&P BSE Mid Cap page, such as: historical data, charts