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CONTRACTS AND AGREEMENTS (Tables)
 9 Months Ended
Sep. 30, 2017
Contractors [Abstract]  
Brokerage Commissions
 
 
For the nine months
 
 
For the nine months
 
 
 
ended September 30,
 
 
ended September 30,
 
 
 
2017
 
 
2016
 
Total commissions accrued to brokers
 
$
1,204,240
 
 
$
1,526,497
 
Total commissions as an annualized percentage of average total net assets
 
 
0.34
%
 
 
0.39
%
Commissions accrued as a result of rebalancing
 
$
998,598
 
 
$
1,444,429
 
Percentage of commissions accrued as a result of rebalancing
 
 
82.92
%
 
 
94.62
%
Commissions accrued as a result of creation and redemption activity
 
$
205,642
 
 
$
82,068
 
Percentage of commissions accrued as a result of creation and redemption activity
 
 
17.08
%
 
 
5.38
%