Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2013

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

The following table presents the Trust’s fair value hierarchy for those assets and liabilities measured at fair value on a recurring basis as of June 30, 2013 and year ended December 31, 2012, respectively:

	June 30, 2013
	Level 1		Level 2		Level 3		Total
Assets
Unrealized gain on open contracts:
Futures positions	$	146,825	$	-	$	-	$	146,825
Investment in Global Diversified Managed Futures Portfolio LLC		982,881		-		-		982,881
Purchased options on futures contracts		2,266,543		-		-		2,266,543
Fixed income securities		-		11,775,841		-		11,775,841
Total assets		3,396,249		11,775,841		-		15,172,090
Liabilities
Options written on futures contracts		3,070,552		-		-		3,070,552
Total fair value	$	325,697	$	11,775,841	$	-	$	12,101,538

	December 31, 2012
	Level 1		Level 2		Level 3		Total
Assets
Unrealized gain on open contracts:
Futures positions	$	260,744	$	-	$	-	$	260,744
Purchased options on futures contracts		728,440		-		-		728,440
Fixed income securities		-		11,003,681		-		11,003,681
Total assets		989,184		11,003,681		-		11,992,865
Liabilities
Options written on futures contracts		884,242		-		-		884,242
Total fair value	$	104,942	$	11,003,681	$	-	$	11,108,623