Zerodha CEO Nithin Kamath has said his brother and Zerodha Co-founder Nikhil Kamath's stock trading profits helped them build Zerodha without VCs initially. Nithin also discussed why he has stopped trading stocks actively, adding, "Zerodha is by far the biggest trade of my life." "When we started, idea was he would trade and I attempt to build Zerodha," Nithin said.