Financial Highlights (Tables)

3 Months Ended

Mar. 31, 2018

Financial Highlights [Abstract]

Operating Performance Calculation Per Unit

The following is the per Unit operating performance calculation for the three months ended March 31, 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		(0.84	)		(1.13	)
Net loss on investments		(1.73	)		(1.27	)
Net loss		(2.57	)		(2.40	)
Net asset value per unit, March 31, 2017	$	144.35		$	105.03
Net asset value per unit, December 31, 2017	$	140.90		$	101.94
Net income:
Net investment loss		(0.38	)		(0.47	)
Net gain on investments		2.72			1.97
Net income		2.34			1.50
Net asset value per unit, March 31, 2018	$	143.24		$	103.44

Ratios to Average Members' Capital and Total Return

The following represents ratios to average members’ capital and total return for the three months ended March 31, 2018 and 2017:

	Class 0						Class 2
	2018			2017			2018			2017
Total return before Incentive Allocation		1.66	%		(1.75	)%		1.47	%		(2.24	)%
Incentive Allocation		0.00			0.00			0.00			0.00
Total return after Incentive Allocation		1.66	%		(1.75	)%		1.47	%		(2.24	)%
Net investment loss before Incentive Allocation		(0.26	)%		(0.58	)%		(0.45	)%		(1.07	)%
Incentive Allocation		0.00			0.00			0.00			0.00
Net investment loss after Incentive Allocation		(0.26	)%		(0.58	)%		(0.45	)%		(1.07	)%
Total expenses before Incentive Allocation		0.59	%		0.74	%		0.78	%		1.23	%
Incentive Allocation		0.00			0.00			0.00			0.00
Total expenses after Incentive Allocation		0.59	%		0.74	%		0.78	%		1.23	%