Schedules of Investments (Unaudited) (Tables)

6 Months Ended

Jun. 30, 2018

June 30 , 2018

Security Description	Face Amount		Fair Value
U.S. Treasury bills (a) :
1.80% due 07/12/18	$	9,000,000	$	8,995,809
1.84% due 07/19/18		4,000,000		3,996,718
1.93% due 08/23/18		3,000,000		2,992,097
Total U.S. Treasury bills (Cost: $15,982,345)				15,984,624

Total Investments – 96.15%				15,984,624
Other Assets, Less Liabilities – 3.85%				640,506
Net Assets – 100.00%			$	16,625,130

December 31, 2017

Security Description	Face Amount		Fair Value
U.S. Treasury bills (a) :
1.17% – 1.20% due 01/04/18	$	5,000,000	$	4,999,685
1.16% – 1.21% due 01/18/18		6,000,000		5,996,696
1.20% due 01/25/18		3,000,000		2,997,643
Total U.S. Treasury bills (Cost: $13,993,811)				13,994,024

Total Investments – 94.11%				13,994,024
Other Assets, Less Liabilities – 5.89%				876,259
Net Assets – 100.00%			$	14,870,283

Schedule of Derivative Instruments [Table Text Block]

As of June 30, 2018, the open Bloomberg Roll Select CI futures contracts were as follows:

Number of Contracts	Expiration Date	Current Notional Amount		Net Unrealized Appreciation (Depreciation)
741	September 2018	$	16,546,530	$	(565,228	)

As of December 31, 2017, the open Bloomberg Roll Select CI futures contracts were as follows:

Number of Contracts	Expiration Date	Current Notional Amount		Net Unrealized Appreciation (Depreciation)
659	March 2018	$	14,840,680	$	588,843

- Definition

Tabular disclosure of pertinent information about a derivative or group of derivatives on a disaggregated basis, such as for individual instruments, or small groups of similar instruments. May include a combination of the type of instrument, risks being hedged, notional amount, hedge designation, related hedged item, inception date, maturity date, or other relevant item.

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