The Advance Decline chart, a tool within Quantsapp utilized in the Indian stock market, gauges the breadth of a market's movement. It aids investors and traders in evaluating the overall strength or weakness of a market by monitoring the number of advancing and declining stocks, thus determining the net advances. Here's how it functions: Advance: When a stock's closing price exceeds the previous day's close, it's considered an advancing stock. Decline: Conversely, when a stock's closing price is lower than the prior day's close, it's considered a declining stock.