Option chain and full knowledge about trading

An option chain lists all option contracts, including put and call option for given security. However, several traders focus on net change,' 'bid,' 'last price,' and 'ask,' columns to assess current market conditions. Option chain is also called the option matrix.

Options trading is a type of financial trading that allows investors to buy or sell the right to purchase or sell an underlying asset at a fixed price, at a future date. Options trading operates on the basis that the buyer has the option to exercise the contract but is not under any obligation to do so