XML 29 R18.htm IDEA: XBRL DOCUMENT v2.4.0.8
Financial Instruments (Tables)
 3 Months Ended
Mar. 31, 2014
Financial Instruments [Abstract]  
Net Unrealized Gain (Loss) on Open Contracts
The net unrealized gains (losses) on open contracts, reported as a component of “Trading Equity” on the Statements of Financial Condition, and their longest contract maturities were as follows:
 
 
 
Net Unrealized Gains (Losses) on Open Contracts
 
Longest Maturities
Date
 
Exchange-Traded
  
Off-Exchange-Traded
  
Total
 
Exchange-Traded
Off-Exchange-Traded
 
 
$
  
$
  
$
 
 
      
Mar. 31, 2014
 
(2,143,105
)
  
157,818
   
(1,985,287
)
Jun. 2015
Jun. 2014
Dec. 31, 2013
  
(1,456,914
)
  
231,333
   
(1,225,581
)
Mar. 2015
Mar. 2014