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ORGANIZATION AND BUSINESS (Details)
 9 Months Ended
Jun. 02, 2010
USD ($)
$ / shares
shares
Sep. 30, 2023
USD ($)
contract
$ / shares
shares
Jun. 30, 2023
$ / shares
Dec. 31, 2022
$ / shares
Sep. 30, 2022
$ / shares
Jun. 30, 2022
$ / shares
Dec. 31, 2021
$ / shares
May 31, 2010
shares
ORGANIZATION AND BUSINESS                
Number of successive valuation days   30 days            
Average daily percentage change in the price of the Benchmark Futures Contract considered   10.00%            
Initially registered units of entity with sec               50,000,000
Net asset value per unit | $ / shares $ 50.00 $ 32.06 $ 25.49 $ 28.26 $ 27.24 $ 32.68 $ 20.87  
Initial stock units issued 200,000              
Initial units value issued | $ $ 10,000,000              
Creation Baskets                
ORGANIZATION AND BUSINESS                
Number of units per baskets   50,000            
Transaction fee | $   $ 350            
Units issued during period to authorized purchasers through distributors   50,000            
BNO                
ORGANIZATION AND BUSINESS                
Number of contracts | contract   1,844