Self Trading Comapnies -
https://www.janestreet.com/ Top trader worldwide... SEBI jane street issue ban ... Graviton Gurugram and Gujarat two IIT friends in India Started share trading with ₹7.5 crore investment as risk capital in 2014 ... to trade using algos back in 2014 itself.. if they had lost that gone.. chapter close.... their last year profit was 1000 crore ... 500+ employees put together made 1000 crore profit as a single company --- around 1.5 to 2 crore profit per year per person on average---