Jane Street has been barred from the Indian securities market by its markets regulator, which has said the U.S. firm used its trading strategies to "manipulate" a key stock market index, leading to losses for millions of retail investors,

As US-based quant trading giant Jane Street faces mounting regulatory pressure in India, a deeper look into its corporate structure reveals that its local units are largely overseen by foreign executives, with only a handful of Indian personnel in operational roles.

The Indian markets regulator's ban on Wall Street trading giant Jane Street has reduced volumes in the nation's options market, yet traders anticipate that activity will rebound as bigger investors get involved.