‘Flash Crash’ Hits Sensex Index During Unpopular Closing Auction Bloomberg.comOn F&O expiry day, sensex sees wild swings during Closing Auction Session The Times of IndiaSebi 1: Sebi 0 – The market regulator’s progress with CAS and F&O curbs is still a work in progress The KenCAS effect? This Bankex Put option jumped from Rs 6 to Rs 1,000 within minutes Moneycontrol.comWhy brokers see little retail appetite for closing auction session TradingView