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Closing Auction Session (CAS): How NSE and BSE Determine Stock Closing Prices

The Closing Auction Session (CAS) is a new mechanism introduced in India’s stock market to determine the official closing price of eligible stocks. The system is now used by both the National Stock Exchange (NSE) and BSE CAS became effective from August 3, 2026, initially covering stocks in the cash market that have derivatives contracts available. It replaced the earlier closing-price

What exactly is an IPO?

An IPO is how a private company offers its shares to the public and gets listed on a stock exchange. But an IPO is more than just a chance to buy shares early—it’s important to understand the company’s business, financials, valuation, use of funds, management and risks before making any investment decision.

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