v3.25.2
Cover
Jun. 30, 2025
Document Type 8-K
Amendment Flag false
Document Period End Date Jun. 30, 2025
Entity File Number 001-42152
Entity Registrant Name Eureka Acquisition Corp
Entity Central Index Key 0002000410
Entity Tax Identification Number 00-0000000
Entity Incorporation, State or Country Code E9
Entity Address, Address Line One 14 Prudential Tower
Entity Address, Country SG
Entity Address, Postal Zip Code 049712
City Area Code +1
Local Phone Number 949 899 1827
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false
Units, consisting of one Class A ordinary share, $0.0001 par value, and one Right to acquire one-fifth of one Class A ordinary share  
Title of 12(b) Security Units, consisting of one Class A ordinary share, $0.0001 par value, and one Right to acquire one-fifth of one Class A ordinary share
Trading Symbol EURKU
Security Exchange Name NASDAQ
Class A ordinary shares, par value $0.0001 per share  
Title of 12(b) Security Class A ordinary shares, par value $0.0001 per share
Trading Symbol EURK
Security Exchange Name NASDAQ
Rights, each whole right to acquire one-fifth of one Class A ordinary share  
Title of 12(b) Security Rights, each whole right to acquire one-fifth of one Class A ordinary share
Trading Symbol EURKR
Security Exchange Name NASDAQ