v3.26.3
Cover
Sep. 23, 2026
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Sep. 23, 2026
Entity File Number 001-41956
Entity Registrant Name AtlasClear Holdings, Inc.
Entity Central Index Key 0001963088
Entity Tax Identification Number 92-2303797
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 4350 West Cypress Street
Entity Address, Address Line Two Suite 270
Entity Address, City or Town Tampa
Entity Address, State or Province FL
Entity Address, Postal Zip Code 33607
City Area Code (727)
Local Phone Number 446-6660
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, par value $0.0001 per share
Trading Symbol ATCH
Security Exchange Name NYSEAMER
Entity Emerging Growth Company false