Large brokerages like ICICI Securities, Groww and Angel One will start showing indicative close on their websites by August 14, amid uptick in the adoption of closing auction session (CAS), said Chairperson of Securities and Exchange Board of India (SEBI) Tuhin Kanta Pandey. “I think there is Zerodha and Upstox, which have already done it on their website; they will do it in apps too. CAS, which became effective from August 3, is a 20-minute session which will be held between 3:15 pm and 3:35 pm to determine the closing prices of stocks under CAS. During this session, the exchange will match buy and sell orders to determine the equilibrium price through auctions and not by averaging recent trades. Most global markets, including the New York Stock Exchange (and the London Stock Exchange already use this methodOn losses incurred by retail derivative traders, he said the levels had shrank to ₹97,000 crore this year from ₹1 lakh crore last year.