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ORGANIZATION AND BUSINESS (Details)
 1 Months Ended 3 Months Ended
Nov. 18, 2009
USD ($)
$ / shares
shares
Nov. 30, 2009
shares
Mar. 31, 2024
USD ($)
contract
D
$ / shares
shares
Dec. 31, 2023
contract
$ / shares
Mar. 31, 2023
$ / shares
Dec. 31, 2022
$ / 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      
Number of initially registered units on Form S-1 with the U.S. Securities and Exchange Commission   30,000,000        
Transaction fee | $     $ 350      
Net asset value per share | $ / shares $ 50.00   $ 7.77 $ 8.58 $ 11.66 $ 17.24
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      
United States Contracts            
ORGANIZATION AND BUSINESS            
Number of contracts | contract     614 [1] 589 [2]    
[1] Collateral amounted to $3,957,549 on open commodity futures contracts.
[2] Collateral amounted to $6,113,231 on open commodity futures contracts.