A study by the Securities and Exchange Board of India found that retail investors lost more than $20 billion on option trades over three years. On July 4, SEBI announced it would seize 48.4 billion rupees ($570 million) from trading giant Jane Street Group,

India has barred one of the world's largest quant trading firms, Jane Street, from accessing its securities market after an investigation found it made "unlawful gains", taking the most stringent action ever against a foreign trading firm.

Leader of Opposition in the Lok Sabha Rahul Gandhi on Monday said that the futures and options (F&O) trading market has become a playground for 'big players,' and the Jane Street saga shows that retail investors are bearing the maximum brunt.