Three types of trading instruments. Equity, futures and option (CE, PE).
Equity done in spot. Which means deal and settlement happend in same time.
Future – buyer has the rights to buy from the asset of seller
Seller has the rights to sell from the asset of buyers..
Option has two types.. Call option Put option
Buyer has Rights to buy with no obligation by paying premium to seller..
Buyer has rights to sell with no obligation by paying premium to the seller.