There Is Much To Learn Before You Can Be Confident & Successful At Stock Option Investing - An option in stock option investing can be described by its strike prices proximity to the stocks price. An option in stock option investing can either be in-the-money (ITM), out-of-the-money (OTM), or at-the-money (ATM). An at-the-money option in stock option investing is described as an option whose exercise or strike price is approximately equal to the present price of the underlying stock. An example of stock option investing, if Microsoft (MSFT) was trading at $65.00, then the January $65.00 call would an example of an at-the-money call option. Read more articles like this by going to the Investment Option Blog.