Pure Price Index Posted on 14th December 201511th May 2021 by ThePD (The Project Definition) A Pure Price Index is a price index based on the constant pricing of products for the time period. Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window) Related Posted in Business and tagged index, market, price. ThePD (The Project Definition) ThePD has been developing the Preferred Project Definitions based on the actual project execution and operation experiences and knowledge with the Project Language, and sharing with you daily basis.