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CONTRACTS AND AGREEMENTS (Tables)
 3 Months Ended
Mar. 31, 2017
Contractors [Abstract]  
Brokerage Commissions
 
 
For the three months
 
 
For the three months
 
 
 
ended March 31, 2017
 
 
ended March 31, 2016
 
Total commissions accrued to brokers
 
$
419,698
 
 
$
562,675
 
Total commissions as an annualized percentage of average net assets
 
 
0.34
%
 
 
0.46
%
Commissions accrued as a result of rebalancing
 
$
331,242
 
 
$
526,747
 
Percentage of commissions accrued as a result of rebalancing
 
 
78.92
%
 
 
93.61
%
Commissions accrued as a result of creation and redemption activity
 
$
88,456
 
 
$
35,928
 
Percentage of commissions accrued as a result of creation and redemption activity
 
 
21.08
%
 
 
6.39
%