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  SEBI Allows Jane Street to Restart Trading: Key Developments and Implications Background On July 3, 2025, the Securities and Exchange Board of India (SEBI) imposed a trading ban on Jane Street, a major New York-based proprietary trading firm, alleging the company manipulated India’s derivatives market—specifically Nifty futures—by engaging in simultaneous transactions across cash, futures, and options markets. The alleged activities were said to have caused significant losses to retail investors and led SEBI to freeze Jane Street’s assets in India and bar it from trading pending further investigation . Conditional Lifting of the Ban Eighteen days after the initial prohibition, SEBI conditionally lifted its ban on Jane Street, allowing it to resume trading in Indian markets. This relief came after Jane Street deposited approximately ₹4,843.57 crore (about $567 million) in an escrow account—a sum SEBI alleges constitutes “unlawful gains” from the disputed activities. The escrow is ...