SEBI Bans Jane Street Group
Analysis based on 13 articles · First reported Jul 04, 2025 · Last updated Jul 04, 2025
The India — Securities and Exchange Board of India's actions against Jane Street Group highlight vulnerabilities in India's derivatives markets, potentially leading to stricter regulations on high-frequency and algorithmic trading. This event could increase scrutiny on foreign trading firms and impact retail options traders who were allegedly misled by the manipulation of indices like NIFTY 50 and NIFTY Bank.
The India — Securities and Exchange Board of India (India — Securities and Exchange Board of India) has barred US-based trading firm Jane Street Group and its affiliates, JSI2 Investments Private Ltd, Jane Street Group, Jane Street Group, and JSI Investments Private Limited, from accessing Indian securities markets. India — Securities and Exchange Board of India alleges large-scale manipulation in derivatives trading, particularly involving the NIFTY 50 and NIFTY Bank indices, leading to illegal gains of ₹ 4,843.5 crore which India — Securities and Exchange Board of India has directed to be deposited into an escrow account. The firm allegedly used 'Intra-day Index Manipulation' and 'Extended Marking the Close' strategies on expiry days, involving aggressive buying and selling of index constituent stocks to influence index closing levels and profit from options positions. Despite a caution letter from National Stock Exchange of India in February 2025, Jane Street Group allegedly continued these practices. This crackdown is one of India — Securities and Exchange Board of India's most significant actions against a foreign trading firm, raising concerns about market integrity and the protection of retail investors in India's booming derivatives market.
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