Derivative Instruments (Tables)

12 Months Ended

Dec. 31, 2021

Derivative Instruments And Hedging Activities Disclosure [Abstract]

Fair Value of Derivative Instruments and Effect of Derivative Instruments on Statements of Income and Expenses

The Fair Value of Derivative Instruments is as follows:

	December 31, 2021				December 31, 2020
Risk Exposure/Derivative Type (a)	Assets		Liabilities		Assets		Liabilities
Commodity risk
Commodity Futures Contracts	$	786,770	$	—	$	7,522,894	$	—

^(a) Includes cumulative appreciation (depreciation) of commodity futures contracts. Only the current day’s variation margin receivable (payable) is reported in the December 31, 2021 and December 31, 2020 Statements of Financial Condition.

The Effect of Derivative Instruments on the Statements of Income and Expenses is as follows:

	Location of Gain or (Loss) on Derivatives	For the Years Ended December 31,
Risk Exposure/Derivative Type	Recognized in Income	2021			2020		2019
Commodity risk
Commodity Futures Contracts	Net Realized Gain (Loss)	$	3,553,040		$	726,024	$	340,449
	Net Change in Unrealized Gain (Loss)		(6,736,124	)		5,518,432		1,223,352
Total		$	(3,183,084	)	$	6,244,456	$	1,563,801

Summary of Average Monthly Notional Value of Future Contracts Outstanding

The table below summarizes the average monthly notional value of futures contracts outstanding during the period:

	For the Years Ended December 31,
	2021		2020		2019
Average Notional Value	$	24,638,053	$	19,798,579	$	14,307,342