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Statements of Changes in Partners' Capital - USD ($)
Total
General Partner
Limited Partners
Beginning Balances at Dec. 31, 2013 $ 62,104,366 $ 0 $ 62,104,366
Addition of partnership shares 6,837,236 0 6,837,236
Redemption of partnership shares (12,902,604) 0 (12,902,604)
Net income (loss) (18,806,073) 0 (18,806,073)
Ending Balances at Dec. 31, 2014 $ 37,232,925 0 37,232,925
Net asset value, beginning of year at Dec. 31, 2013 $ 42.83    
Net asset value, end of year at Dec. 31, 2014 $ 26.59    
Addition of partnership shares $ 87,966,232 0 87,966,232
Redemption of partnership shares (26,710,614) 0 (26,710,614)
Net income (loss) (27,954,946) 0 (27,954,946)
Ending Balances at Dec. 31, 2015 $ 70,533,597 0 70,533,597
Net asset value, end of year at Dec. 31, 2015 $ 17    
Addition of partnership shares $ 56,075,976 0 56,075,976
Redemption of partnership shares (29,595,130) 0 (29,595,130)
Net income (loss) 29,373,365 0 29,373,365
Ending Balances at Dec. 31, 2016 $ 126,387,808 $ 0 $ 126,387,808
Net asset value, end of year at Dec. 31, 2016 $ 20.39