If you are a shareholder of a company that is part of the S&P 500, there are a few ways to unsubscribe from StockX. The first way is to go to the company’s website and click on the " unsubscribe from StockX" link. The next step is to fill out a form and send it to the company. The form should include your name, email address, and phone number. The company will then send you an email notification that you have unsubscribed from StockX. The second way is to call the company’s customer service number and ask for help unsubscribing from StockX. The customer service number can be found on the company’s website or on their contact information sheet. Once you have called the customer service number, you will need to provide your name, email address, and phone number. The customer service representative will then send you an email notification that you have unsubscribed from StockX. The third way is to write a letter to the stockholders of the company and ask them not to subscribe to StockX anymore. You can find instructions on how to write a letter in detail on the company’s website or on their contact information sheet. Once you have written your letter, you will needto mail it directly to each stockholder of the company who has subscribed to StockX.