tldr; India’s Securities and Exchange Board (SEBI) banned four Jane Street entities from Indian markets in July 2025 after investigating their trading activities in equity derivatives. SEBI alleged that Jane Street used strategies to manipulate index levels on derivatives expiry days, generating profits of 36,502 crore rupees ($4.3 billion). Meanwhile, in the U.S., Jane Street faces allegations of insider trading tied to the 2022 Terra collapse, though the claims remain unproven. India’s regulatory action preceded the ongoing U.S. lawsuit.
*This summary is auto generated by a bot and not meant to replace reading the original article. As always, DYOR.
HSuke on
It’s old news. One of the more interesting Planet Money episodes if you’re interested in a deep dive:
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tldr; India’s Securities and Exchange Board (SEBI) banned four Jane Street entities from Indian markets in July 2025 after investigating their trading activities in equity derivatives. SEBI alleged that Jane Street used strategies to manipulate index levels on derivatives expiry days, generating profits of 36,502 crore rupees ($4.3 billion). Meanwhile, in the U.S., Jane Street faces allegations of insider trading tied to the 2022 Terra collapse, though the claims remain unproven. India’s regulatory action preceded the ongoing U.S. lawsuit.
*This summary is auto generated by a bot and not meant to replace reading the original article. As always, DYOR.
It’s old news. One of the more interesting Planet Money episodes if you’re interested in a deep dive:
https://www.npr.org/2025/09/24/nx-s1-5551163/jane-street-billion-dollar-options-india
The headline wasn’t that Jane Street did anything illegal. It was wondering why no one else caught wind of the arbitrage opportunity for so long.