Trading Advisors (Tables)

12 Months Ended

Dec. 31, 2012

Trading Advisors [Abstract]

Commodity trading advisors

Ceres, on behalf of each Partnership, retains certain commodity trading advisors to make all trading decisions for the Partnerships.  The trading advisors for each Partnership at December 31, 2012, were as follows:

Spectrum Currency

C-View International Limited ("C-View")

Cambridge

Krom

Spectrum Global Balanced

Altis Partners (Jersey) Limited ("Altis")

C-View International Limited

SSARIS Advisors, LLC ("SSARIS")

Spectrum Select

Altis Partners (Jersey) Limited

EMC Capital Management, Inc. ("EMC")

Graham Capital Management, L.P. ("Graham")

Northfield Trading L.P. ("Northfield")

Rabar Market Research, Inc. ("Rabar")

Sunrise Capital Management, Inc. ("Sunrise Capital")

Spectrum Strategic

Aventis Asset Management LLC

Blenheim Capital Management, L.L.C. ("Blenheim")

PGR Capital L.P.

Spectrum Technical

Aspect Capital Limited ("Aspect")

Blackwater Capital Management LLC

Campbell & Company, Inc. ("Campbell")

Rotella Capital Management, Inc. ("Rotella")

Winton Capital Management Limited ("Winton")