v3.26.1
Form N-1A Cover
Jun. 12, 2026
Prospectus [Line Items]  
Document Type 485BPOS
Amendment Flag false
Registrant Name TIDAL TRUST IV
Entity Central Index Key 0002043390
Entity Investment Company Type N-1A
Document Period End Date Jun. 12, 2026
Prospectus Date Jun. 14, 2026