0002045473 2026-06-10 2026-06-10 0002045473 cik0002045473:UnitsEachConsistingOfOneClassOrdinaryShareAndOnehalfOfOneWarrantMember 2026-06-10 2026-06-10 0002045473 cik0002045473:ClassOrdinarySharesParValue0.0001PerShareMember 2026-06-10 2026-06-10 0002045473 cik0002045473:WarrantsEachWholeWarrantExercisableForOneClassOrdinaryShareAtExercisePriceOf11.50PerShareMember 2026-06-10 2026-06-10 false 0002045473 8-K 2026-06-10 Copley Acquisition Corp E9 000-00000 00-0000000 Suite 4005-4006, 40/F One Exchange Square 8 Connaught Place Central HK N/A +852 2861 3335 false false false false Units, each consisting of one Class A ordinary share and one-half of one warrant COPLU NYSE Class A ordinary shares, par value $0.0001 per share COPL NYSE Warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50 per share COPLW NYSE true false