HydroGraph Clean Power is trading 10.17% higher at €2.60, with no verified company-specific catalyst identified. - The supplied price context is for October 28, 2026; reporting described a rally on October 27. - The latest official updates were an October 23 shareholder reminder and an October 21 business update. - The October 21 update covered commercial negotiations and an upcoming redomicile vote, but reporting does not link either to the rally.