Zerodha’s Nithin Kamath explains why tracking lock-in expiries is a must for IPO investors by ET Markets | January 8, 2026 4:05 pm | Indian Stocks, Market, News Zerodha CEO Nithin Kamath urges IPO investors to track lock-in expiries, warning that post-expiry selling by large shareholders can pressure stocks. He also highlights regulatory limits on broker growth, including SEBI’s 15% open interest cap.