About 79 companies' shares worth ₹2.57 lakh crore will be unlocked between October 6 and January 30 as their pre-listing lock-in period ceases, according to a report by Nuvama Institutional Equities. In just 30 days from October 6, shares worth ₹41,427 crore will be unlocked. Though the lock-in period will expire, many shareholders may choose to not sell their stakes.