UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date: May 9, 2008
Accession Number: 0001144204-08-025769
Submission Type: POS AM
CIK: 0001290059
Company Name: MACRO Securities Depositor, LLC
File Number: 333-116566
CIK: 0001382994
Company Name: MACROshares Oil Up Tradeable Trust
File Number: 333-116566-02
CIK: 0001382991
Company Name: MACROshares Oil Up Holding Trust
File Number: 333-116566-01