Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2015

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, 2015 and December 31, 2014, respectively:

	June 30, 2015
	Level 1			Level 2			Level 3		Total
Assets
Unrealized gain on open contracts:
Futures positions	$	244,945		$	-		$	-	$	244,945
Forwards currency positions		-			27,547			-		27,547
		244,945			27,547			-		272,492
Liabilities
Unrealized gain on open contracts:
Futures positions		(229,914	)		-			-		(229,914	)
Forwards currency positions		-			(13,004	)		-		(13,004	)
Options written on futures contracts		(35,071	)		-			-		(35,071	)
		(264,985	)		(13,004	)		-		(277,989	)
Total fair value	$	(20,040	)	$	14,543		$	-	$	(5,497	)

	December 31, 2014
	Level 1			Level 2			Level 3		Total
Assets
Unrealized gain on open contracts:
Futures positions	$	605,977		$	-		$	-	$	605,977
Forwards currency positions		-			18,225			-		18,225
		605,977			18,225			-		624,202
Liabilities
Unrealized gain on open contracts:
Futures positions		(113,500	)		-			-		(113,500	)
Forwards currency positions		-			(28,771	)		-		(28,771	)
Options written on futures contracts		(15,976	)		-			-		(15,976	)
		(129,476	)		(28,771	)		-		(158,247	)
Total fair value	$	476,501		$	(10,546	)	$	-	$	465,955