（1）Strike Price (also known as "exercise price"), if the market price of a stock is 100 dollars and you buy a bullish option for 150 dollars, then 150 dollars is the exercise price.

（2）Execution date (Expiration Date, also known as "call-over date"), if you buy an option that expires on July 15, 2030, then that day is the call-over date.

（3）Open Interest: The number of contracts that have not yet expired or been executed.

（4）Contract, the unit of option is a contract, usually each contract is the right to 100 shares of stock.

（5）Settlement Type: Stock options are generally Physical Delivery (Physical Settlement), while index options are generally Cash Settlement.