Valve is implementing a number of new changes to its Steam platform, all aimed at enhancing the quality of the user experience for gamers. One of the latest updates involves adding a 30-day price history to all listed games. This feature will allow buyers to see if a game's price has changed recentl...
They also have a browser extension to put some additional info right on the steam store pages.
Not the entire price history, but it will show the lowest ever price, and the last time it happened. Even if Valve puts a 30-day history on the page, this would still be useful to know if a game ever gets discounts deeper than whatever it had most recently.