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ORGANIZATION AND BUSINESS (Details)		1 Months Ended	9 Months Ended
	Nov. 18, 2009 USD ($) $ / shares shares	Nov. 30, 2009 shares	Sep. 30, 2025 USD ($) contract D $ / shares shares		Jun. 30, 2025 $ / shares	Dec. 31, 2024 contract $ / shares	Sep. 30, 2024 $ / shares	Jun. 30, 2024 $ / shares	Dec. 31, 2023 $ / shares
ORGANIZATION AND BUSINESS
Number of successive valuation days | D			30
Average daily percentage change in the price of the benchmark futures contract considered			10.00%
Commenced investment operations date	Nov. 18, 2009
Number of units per basket			50,000
Transaction fee | $			$ 350
Number of initially registered units on Form S-1 with the U.S. Securities and Exchange Commission		30,000,000
Net asset value per share | $ / shares	$ 50		$ 7.74		$ 8.73	$ 8.12	$ 7.92	$ 8.28	$ 8.58
Number of units issued	200,000
Value of unit issued | $	$ 10,000,000
Creation Baskets
ORGANIZATION AND BUSINESS
Number of units per basket			50,000
Redemption Baskets
ORGANIZATION AND BUSINESS
Number of units per basket			50,000
US
ORGANIZATION AND BUSINESS
Number of contracts | contract			277	[1]		515
[1] Collateral amounted to $1,667,644 on open commodity futures contracts.

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