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Zerodha founder and CEO Nithin Kamath has cautioned that retail trading activity could be impacted if proprietary trading firms like Jane Street, which contribute nearly 50 per cent of options trading volumes, scale back their participation in the market. This development could have negative implications for both exchanges and brokers, he added. "Prop trading firms like Jane Street account for nearly 50% of options trading volumes. If they pull back which seems likely retail activity (~35%) could take a hit too. So this could be bad news for both exchanges and brokers," Kamath said on X. "The next few days will be telling. F&O volumes might reveal just how reliant we are on these prop giants," he added. In an order released in the early hours of Friday, the market regulator found Jane Street (JS), a New York-based hedge fund, guilty of manipulating the indices by taking bets in the cash, and, futures and options markets simultaneously for making handsome gains. It has barred the
Billionaire industrialist Mukesh Ambani and Nita Ambani, former Wipro chairman Azim Premji and Zerodha co-founder Nikhil Kamath have been named Tuesday by Time magazine in its inaugural list of the 100 most influential people in philanthropy. The TIME100 Most Influential People in Philanthropy 2025 list tells the stories of how generous donors and leaders of foundations and non-profits are directing funding into the communities that need it most, according to the publication. The list includes Mukesh and Nita Ambani who, Time said, gifted Rs 407 crore (about USD 48 million) in 2024, placing them among the country's biggest donors. Noting that Mukesh and Nita Ambani are empowering millions, the Time profile said the billionaire philanthropist couple's charitable initiatives are as varied and wide-ranging as the business empire that earned them an estimated USD 110 billion fortune. It listed the initiatives taken by Mukesh and Nita Ambani and added that Nita Ambani, founder and chair