Nvidia in your example would be the underlying equity that the options derivative contract is based on
sept 17 2021 is the expiration date of the contract
405 is the strike which is the price at which the contract allows you to buy or sell (depending on if the options contract is a Call or Put contract)
Nvidia in your example would be the underlying equity that the options derivative contract is based on
sept 17 2021 is the expiration date of the contract
405 is the strike which is the price at which the contract allows you to buy or sell (depending on if the options contract is a Call or Put contract)