A system of trading halts and price limits on equities and derivatives markets designed to provide a cooling-off period during large, intraday market declines or rises.
Remember, I am neither a bear nor a bull, I am an agnostic opportunist. I want to make money short- and long-term. I want to find good situations and exploit them.
The writer of a call/put option is the one who receives the option premium and is thereby obliged to sell/buy the asset if the buyer exercised on him.