Additional Valuation Information (Tables)

3 Months Ended

Mar. 31, 2020

Fair Value Disclosures [Abstract]

Summary of the Tiered Valuation Input Levels

The following is a summary of the tiered valuation input levels as of March 31, 2020:

	Level 1			Level 2		Level 3		Total
Investments in Securities
United States Treasury Obligations	$	—		$	474,944,195	$	—	$	474,944,195
Exchange-Traded Fund		251,925,156			—		—		251,925,156
Money Market Mutual Fund		33,033,294			—		—		33,033,294
Total Investments in Securities		284,958,450			474,944,195		—		759,902,645
Other Investments—Assets(a)
Commodity Futures Contracts		2,305,988			—		—		2,305,988
Other Investments—Liabilities(a)
Commodity Futures Contracts		(273,197,361	)		—		—		(273,197,361	)
Total Other Investments		(270,891,373	)		—		—		(270,891,373	)
Total Investments	$	14,067,077		$	474,944,195	$	—	$	489,011,272

^(a) Unrealized appreciation (depreciation).

The following is a summary of the tiered valuation input levels as of December 31, 2019:

	Level 1			Level 2		Level 3		Total
Investments in Securities
United States Treasury Obligations	$	—		$	664,863,392	$	—	$	664,863,392
Exchange-Traded Fund		250,383,096			—		—		250,383,096
Money Market Mutual Fund		517,499,491			—		—		517,499,491
Total Investments in Securities		767,882,587			664,863,392		—		1,432,745,979
Other Investments—Assets(a)
Commodity Futures Contracts		67,605,844			—		—		67,605,844
Other Investments—Liabilities(a)
Commodity Futures Contracts		(19,911,449	)		—		—		(19,911,449	)
Total Other Investments		47,694,395			—		—		47,694,395
Total Investments	$	815,576,982		$	664,863,392	$	—	$	1,480,440,374

^(a) Unrealized appreciation (depreciation).