Nifty 200 Momentum 30 Index measures the performance of the top 30 companies with a high Normalized Momentum Scores from Nifty 200 Stocks. Nifty 200 stock index. Its Normalized Momentum Score is determined from its six-month and 12-month price returns, which are adjusted to account for the volatility. The weightage of the shares that make up the portfolio is determined by the Normalized Momentum Score and its market capitalization free-float and is calculated using a tilt-weighted method.