0001851908 2021-11-15 2021-11-15 0001851908 bsaq:Class160A160ordinary160shares1600.0001160parValueMember 2021-11-15 2021-11-15 0001851908 bsaq:RedeemableWarrantsEachWholeWarrantExercisableForOneClassAOrdinaryShareAtAnExercisePriceOf11.50Member 2021-11-15 2021-11-15 0001851908 bsaq:UnitsEachConsistingOfOneClassAOrdinaryShareAndOneHalfOfOneRedeemableWarrantMember 2021-11-15 2021-11-15 HK 00-0000000 false 0001851908 8-K 2021-11-15 BLACK SPADE ACQUISITION CO E9 001-40616 Suite 2902, 29/F The Centrium 60 Wyndham Street Central 00000 852 3955 1316 false false false false Class A ordinary shares, $0.0001 par value BSAQ NYSE Redeemable warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50 BSAQWS NYSE Units, each consisting of one Class A ordinary share and one-half of one redeemable warrant BSAQU NYSE true false