New Delhi, July 23 -- One of the biggest challenges for stockbroking platforms isn't acquiring new customers-it's ensuring they stay invested, according to Zerodha co-founder and CEO Nithin Kamath. In a post on X, Kamath said retaining users is "really, really hard" because many investors eventually lose money and stop participating in the markets.

According to Kamath, the issue extends well beyond the high-risk futures and options (F&O) segment. Even investors who participate only in the equity market often end up exhausting their trading capital, making customer retention one of the biggest challenges for brokerage firms.

"The reason is that most users eventually end up blowing up their accounts. And this isn't limited to F&O; it happ...