Currency Fluctuation Posted on 6th November 201523rd July 2021 by ThePD (The Project Definition) Currency Fluctuation is a change in an exchange rate (currency value in relation to another currency). 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. 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.