Trendlyne Momentum Score identifies the bullish or bearish nature of a stock. It is calculated for each stock every day based on 30+ different technical indicators. A stock scoring above 50 is considered to have a high momentum score.
Normalised Momentum score is a percentile of the Momentum Score, across all traded stocks and ETFs. So, there will always be a stock with a score of 100 as well as 1.