Financial Highlights (Tables)

9 Months Ended

Sep. 30, 2017

Financial Highlights [Abstract]

Operating Performance Calculation Per Unit

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

	Class 0			Class 2
Per unit operating performance
Net asset value per unit, June 30, 2016	$	144.89		$	107.02
Net loss:
Net investment loss		(0.88	)		(1.15	)
Net loss on investments		(5.16	)		(3.83	)
Net loss		(6.04	)		(4.98	)
Net asset value per unit, September 30, 2016	$	138.85		$	102.04
Net asset value per unit, June 30, 2017	$	137.79		$	100.07
Net gain:
Net investment loss		(0.54	)		(0.58	)
Net gain on investments		1.56			1.12
Net gain		1.02			0.54
Net asset value per unit, September 30, 2017	$	138.81		$	100.61

The following is the per Unit operating performance calculation for the nine months ended September 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		(2.63	)		(3.51	)
Net loss on investments		(5.86	)		(4.36	)
Net loss		(8.49	)		(7.87	)
Net asset value per unit, September 30, 2016	$	138.85		$	102.04
Net asset value per unit, December 31, 2016	$	146.92		$	107.43
Net loss:
Net investment loss		(2.24	)		(2.52	)
Net loss on investments		(5.87	)		(4.30	)
Net loss		(8.11	)		(6.82	)
Net asset value per unit, September 30, 2017	$	138.81		$	100.61

Ratios to Average Members' Capital and Total Return

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

	Class 0						Class 2
	2017			2016			2017			2016
Total return before Incentive Allocation		0.74	%		(4.17	)%		0.54	%		(4.65	)%
Incentive Allocation		0.00			0.00			0.00			0.00
Total return after Incentive Allocation		0.74	%		(4.17	)%		0.54	%		(4.65	)%
Net investment loss before Incentive Allocation		(0.39	)%		(0.62	)%		(0.57	)%		(1.10	)%
Incentive Allocation		0.00			0.00			0.00			0.00
Net investment loss after Incentive Allocation		(0.39	)%		(0.62	)%		(0.57	)%		(1.10	)%
Total expenses before Incentive Allocation		0.63	%		0.75	%		0.81	%		1.23	%
Incentive Allocation		0.00			0.00			0.00			0.00
Total expenses after Incentive Allocation		0.63	%		0.75	%		0.81	%		1.23	%

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

	Class 0						Class 2
	2017			2016			2017			2016
Total return before Incentive Allocation		(5.52	)%		(5.76	)%		(6.35	)%		(7.16	)%
Incentive Allocation		0.00			0.00			0.00			0.00
Total return after Incentive Allocation		(5.52	)%		(5.76	)%		(6.35	)%		(7.16	)%
Net investment loss before Incentive Allocation		(1.58	)%		(1.83	)%		(2.44	)%		(3.30	)%
Incentive Allocation		0.00			0.00			0.00			0.00
Net investment loss after Incentive Allocation		(1.58	)%		(1.83	)%		(2.44	)%		(3.30	)%
Total expenses before Incentive Allocation		2.17	%		2.18	%		3.03	%		3.65	%
Incentive Allocation		0.00			0.00			0.00			0.00
Total expenses after Incentive Allocation		2.17	%		2.18	%		3.03	%		3.65	%