v3.25.2
Form N-1A Cover
Sep. 30, 2025
Prospectus [Line Items]  
Document Type 485BPOS
Amendment Flag false
Registrant Name Amplify ETF Trust
Entity Central Index Key 0001633061
Entity Investment Company Type N-1A
Document Period End Date Sep. 30, 2025
Prospectus Date Oct. 03, 2025