The Closing Auction Session CAS) of Sensex saw sharp swings on October 22 with the benchmark index crashing nearly 2% to 72,275 in two minutes during indicative close. On October 22, the Sensex closed 460.30 points or 0.62% lower at 73,249.39, and the Nifty ended 123.70 points or 0.54% lower at 22,687.65. About 1,385 shares advanced, 2,764 shares declined, and 179 shares were unchanged. Wild swings on F&O expiry days have been a common occurrence since the introduction of CAS in August.