UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date:	March 24, 2010

Accession Number:	0000950123-10-025607
Submission Type:	485APOS
CIK: 0000899148 Company Name: RYDEX SERIES FUNDS File Number: 033-59692 REFERENCED SERIES/CLASSES (CONTRACTS) Series ID Class/Contract Name S000014094 Managed Futures Strategy Fund C000087659 Y-Class Shares Series ID Class/Contract Name S000025112 Long/Short Commodities Strategy Fund C000087660 Y-Class Shares