We've always excluded the homepage and Quotes page from the ad-free policy, as there is significant costs involved in bringing quotes/news/charts/etc as a feature to the site. The premium membership applies to all the message board pages, which you won't see an ad on, as you noted.
Register for free to join our community of investors and share your ideas. You will also get access to streaming quotes, interactive charts, trades, portfolio, live options flow and more tools.