ACAT

Acat can refer to:Acat, a Mayan god of tattoo artists; see List of Maya gods and supernatural beings.Acyl CoA Cholesteryl Acyl Transferase, abbreviated ACAT.ACAT, an acronym for the Accreditation Council for Accountancy and Taxation, an autonomous body in the U.S. that accredits practitoners of accountancy and taxation.ACAT, an acronym for Acquisition Category, a term from the United States Department of Defense procurement process.ACAT, a mnemonic acronym for the risk handling aspects of Risk Management
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[Mayan] The Mayan god of tatooers. 

For transfers of securities from a non-equity trading account to your equity trading account with your broker.