Financial Highlights (Tables)

6 Months Ended

Jun. 30, 2017

Financial Highlights [Abstract]

Operating Performance Calculation Per Unit

The following is the per Unit operating performance calculation for the three months ended June 30, 2017 and 2016:

	Class 0			Class 2
Per unit operating performance
Net asset value per unit, March 31, 2016	$	143.72		$	106.68
Net income:
Net investment loss		(0.89	)		(1.18	)
Net gain on investments		2.06			1.52
Net income		1.17			0.34
Net asset value per unit, June 30, 2016	$	144.89		$	107.02
Net asset value per unit, March 31, 2017	$	144.35		$	105.03
Net loss:
Net investment loss		(0.84	)		(0.81	)
Net loss on investments		(5.72	)		(4.15	)
Net loss		(6.56	)		(4.96	)
Net asset value per unit, June 30, 2017	$	137.79		$	100.07

The following is the per Unit operating performance calculation for the six months ended June 30, 2017 and 2016:

	Class 0			Class 2
Per unit operating performance
Net asset value per unit, December 31, 2015	$	147.34		$	109.91
Net loss:
Net investment loss		(1.74	)		(2.36	)
Net loss on investments		(0.71	)		(0.53	)
Net loss		(2.45	)		(2.89	)
Net asset value per unit, June 30, 2016	$	144.89		$	107.02
Net asset value per unit, December 31, 2016	$	146.92		$	107.43
Net loss:
Net investment loss		(1.68	)		(1.94	)
Net loss on investments		(7.45	)		(5.42	)
Net loss		(9.13	)		(7.36	)
Net asset value per unit, June 30, 2017	$	137.79		$	100.07

Ratios to Average Members' Capital and Total Return

The following represents ratios to average members’ capital, excluding the Manager, and total return for the three months ended June 30, 2017 and 2016:

	Class 0						Class 2
	2017			2016			2017			2016
Total return before Incentive Allocation		(4.54	)%		0.81	%		(4.72	)%		0.32	%
Incentive Allocation		0.00			0.00			0.00			0.00
Total return after Incentive Allocation		(4.54	)%		0.81	%		(4.72	)%		0.32	%
Net investment loss before Incentive Allocation		(0.59	)%		(0.63	)%		(0.78	)%		(1.12	)%
Incentive Allocation		0.00			0.00			0.00			0.00
Net investment loss after Incentive Allocation		(0.59	)%		(0.63	)%		(0.78	)%		(1.12	)%
Total expenses before Incentive Allocation		0.79	%		0.75	%		0.98	%		1.24	%
Incentive Allocation		0.00			0.00			0.00			0.00
Total expenses after Incentive Allocation		0.79	%		0.75	%		0.98	%		1.24	%

The following represents ratios to average members’ capital and total return for the six month periods ended June 30, 2017 and 2016:

	Class 0						Class 2
	2017			2016			2017			2016
Total return before Incentive Allocation		(6.21	)%		(1.66	)%		(6.85	)%		(2.63	)%
Incentive Allocation		0.00			0.00			0.00			0.00
Total return after Incentive Allocation		(6.21	)%		(1.66	)%		(6.85	)%		(2.63	)%
Net investment loss before Incentive Allocation		(1.18	)%		(1.20	)%		(1.86	)%		(2.19	)%
Incentive Allocation		0.00			0.00			0.00			0.00
Net investment loss after Incentive Allocation		(1.18	)%		(1.20	)%		(1.86	)%		(2.19	)%
Total expenses before Incentive Allocation		1.53	%		1.42	%		2.23	%		2.41	%
Incentive Allocation		0.00			0.00			0.00			0.00
Total expenses after Incentive Allocation		1.53	%		1.42	%		2.23	%		2.41	%