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 held with a lien in SEBI’s favor until the investigation is complete.

Key Conditions Set by SEBI

  • Escrow Account Deposit: Jane Street deposited the entire alleged profit into an escrow account controlled by SEBI.

  • No Options Trading: Jane Street has formally undertaken not to participate in options trading until the ongoing investigation is resolved.

  • No Immediate Cash Trading: The firm will also refrain from cash market activities until it has fully explained its previous trading practices to SEBI’s satisfaction.

  • Heightened Surveillance: Both the National Stock Exchange of India and Bombay Stock Exchange have been directed to implement strict, ongoing surveillance of Jane Street’s trades and positions to prevent any manipulative or unfair trading.

  • Legal Status: Jane Street accepted the conditions without prejudice to its legal rights and has signaled its intention to contest SEBI’s conclusions in due course.

Market and Industry Reactions

  • Immediate Impact: The ban significantly reduced the trading turnover on the NSE derivatives market, with the first weekly expiry following the ban seeing a nearly 21% drop in volume compared to the July 3 session.

  • Industry Viewpoint: Jane Street insists that its trading activities reflected standard hedging practices and not manipulative intent, arguing that SEBI misunderstood the operation of liquidity providers and arbitrageurs in derivatives markets.

  • Ongoing Inquiry: The regulator’s investigation is still active. While Jane Street’s deposit and compliance have allowed for its return, the firm’s activities will remain under strict scrutiny until the probe concludes and any potential legal proceedings are settled.

Implications for the Indian Market

  • Precedent Setting: SEBI’s strong stance underscores its commitment to market integrity and its willingness to impose drastic measures, even on large global players, when detecting signs of index or derivatives manipulation.

  • Market Integrity: The requirement for escrowed profits and the prohibition on certain trading activities signals a “balance of convenience” approach: allowing market participation while protecting the system from alleged abuses during ongoing legal processes.

  • Global Impact: The episode serves as a cautionary tale for international firms operating in India, highlighting the necessity of transparency and full regulatory compliance.

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