Indian shares opened flat as investors awaited a U.S. trade deal and SEBI's Jane Street ban, with Nifty and Sensex up slightly while broader markets traded flat.

• SEBI banned Jane Street for alleged derivatives manipulation, impacting investor sentiment.
• Global firms like Citadel expand in India's derivatives markets amid regulatory scrutiny.
• Investors await India-U.S. trade deal outcome before Trump's July 9 tariff deadline.