The Exchange has fixed price bands for different securities within which they can move within a day. As per SEBI directive, all securities traded at or above Rs.10/- and below Rs.20/- have a daily price band of ±25%. All securities traded below Rs. 10/- have a daily price band of ± 50%. Price band for all securities traded at or above Rs. 20/- have a daily price band of ± 8%. But for 200 scrips the price band is fixed ± 12%. The previous day's closing price is taken as the base price for calculating the price