New Delhi, Dec. 1 -- Zerodha, the online discount broking firm, has completed 10 years of offering zero brokerage on equity delivery trades, a move co-founder and CEO Nithin Kamath says was taken "on a whim" but went on to redefine retail investing in India.

In a post on X, Kamath said it has been a decade since Zerodha stopped charging brokerage on stocks, ETFs and other investment products. "Back in 2015, if you had asked whether Zerodha would keep brokerage on investing at zero in 2025, I would've probably said no," he wrote, adding that customers have collectively saved "thousands of crores" in brokerage costs due to the move.

Nithin Kamath recounted how the decision was taken in November 2015 during a conversation with co-founder a...