Financial Highlights (Tables)

6 Months Ended

Jun. 30, 2018

Financial Highlights [Abstract]

Operating Performance Calculation Per Unit

The following is the per Unit operating performance calculation for the three months ended June 30, 2018 and 2017:

	Class 0			Class 2
Per unit operating performance
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
Net asset value per unit, March 31, 2018	$	143.24		$	103.44
Net loss:
Net investment loss		(0.33	)		(0.43	)
Net loss on investments		(1.83	)		(1.32	)
Net loss		(2.16	)		(1.75	)
Net asset value per unit, June 30, 2018	$	141.08		$	101.69

The following is the per Unit operating performance calculation for the six months ended June 30, 2018 and 2017:

	Class 0			Class 2
Per unit operating performance
Net asset value per unit, December 31, 2016	$	146.92		$	107.43
Net loss:
Net investment loss		(1.68	)		(1.95	)
Net loss on investments		(7.45	)		(5.41	)
Net loss		(9.13	)		(7.36	)
Net asset value per unit, June 30, 2017	$	137.79		$	100.07
Net asset value per unit, December 31, 2017	$	140.90		$	101.94
Net income (loss):
Net investment loss		(0.71	)		(0.91	)
Net gain on investments		0.89			0.66
Net income (loss)		0.18			(0.25	)
Net asset value per unit, June 30, 2018	$	141.08		$	101.69

Ratios to Average Members' Capital and Total Return

The following represents ratios to average members’ capital and total return for the three months ended June 30, 2018 and 2017:

	Class 0						Class 2
	2018			2017			2018			2017
Total return before Incentive Allocation		(1.51	)%		(4.54	)%		(1.69	)%		(4.72	)%
Incentive Allocation		0.00			0.00			0.00			0.00
Total return after Incentive Allocation		(1.51	)%		(4.54	)%		(1.69	)%		(4.72	)%
Net investment loss before Incentive Allocation		(0.23	)%		(0.60	)%		(0.42	)%		(0.79	)%
Incentive Allocation		0.00			0.00			0.00			0.00
Net investment loss after Incentive Allocation		(0.23	)%		(0.60	)%		(0.42	)%		(0.79	)%
Total expenses before Incentive Allocation		0.61	%		0.79	%		0.80	%		0.98	%
Incentive Allocation		0.00			0.00			0.00			0.00
Total expenses after Incentive Allocation		0.61	%		0.79	%		0.80	%		0.98	%

The following represents ratios to average members’ capital and total return for the six month periods ended June 30, 2018 and 2017:

	Class 0						Class 2
	2018			2017			2018			2017
Total return before Incentive Allocation		0.13	%		(6.21	)%		(0.25	)%		(6.85	)%
Incentive Allocation		0.00			0.00			0.00			0.00
Total return after Incentive Allocation		0.13	%		(6.21	)%		(0.25	)%		(6.85	)%
Net investment loss before Incentive Allocation		(0.49	)%		(1.18	)%		(0.87	)%		(1.87	)%
Incentive Allocation		0.00			0.00			0.00			0.00
Net investment loss after Incentive Allocation		(0.49	)%		(1.18	)%		(0.87	)%		(1.87	)%
Total expenses before Incentive Allocation		1.20	%		1.53	%		1.59	%		2.23	%
Incentive Allocation		0.00			0.00			0.00			0.00
Total expenses after Incentive Allocation		1.20	%		1.53	%		1.59	%		2.23	%