It’s surprisingly easy to buy Nike stock, or any other that’s publicly traded. The process requires just two things: a broker to make the trade and enough money to buy at least one share. Unfortunately, we’re unable to help out with the money part, but we’ve got the other two covered here. How to Buy Nike Stock Broker and Online Purchase. The first step in investing in Nike stock is knowing Direct Buy Program. You also have the option of purchasing company stock through Nike's direct buy Annual Report. Prior to purchasing the stock, obtain the company's annual report. If you have an online stock broker, you have only to enter Nike's stock symbol to pull up all the relevant information. Have a set purchase price in mind. Watch the market for a couple of days and wait for the stock to reach your price range.