India's market regulator said it had barred U.S. trading company Jane Street from accessing the local securities market, after an investigation into its alleged market manipulation through positions taken in equities derivatives.

The Securities and Exchange Board of India (SEBI) has barred Jane Street, a US trading firm, from participating in the Indian securities market following an investigation into suspected manipulation through equity derivatives positions.

The U.S. trading firm’s entities are “further prohibited from buying, selling or otherwise dealing in securities, directly or indirectly.”