And in the latter to turn each lawan trading, Floor and Ceiling rates are calculated by the price Ceiling is the maximum price of the securities on a daily basis. Set to + 30% of the closing price for the previous. Best Floor price is the minimum price of the securities on a daily basis. – 30% of the closing price on the previous day, but if you open the raekrakha Ceiling height is 3 times the IPO and price Floor is a minimum of 0.01 times the IPO price. And each day, the price will be calculated according to the method of trading that has transparency. Lunch and reflect, if necessary, to meet the demand and supply of securities each day.