<ul data-eligibleForWebStory="true">PiListingNews hints at a major surprise regarding Pi Coin, hinting at an announcement or price movement around June 28.Speculation is growing regarding potential updates during Pi2Day, such as a mainnet announcement, major exchange listing, or ecosystem expansion.Pi Network has a history of introducing updates on key dates, leveraging the large user base's anticipation of future utility.The tweet featuring a chart showing a parabolic rally in Pi Coin's price has sparked excitement, although details remain scarce.The chart is more of a promotional teaser, with sentiment turning bullish as the date approaches.Investors are advised to exercise caution and wait for official announcements from Pi Network channels.