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Condensed Statement of Changes in Partners' Capital - USD ($)
Total
General Partner
Limited Partners
Net income (loss) $ 3,496,534    
Net asset value, beginning of period at Dec. 31, 2014 $ 26.59    
Net asset value, end of period at Jun. 30, 2015 $ 26.84    
Beginning Balances at Dec. 31, 2015 $ 70,533,597 $ 0 $ 70,533,597
Addition of 2,650,000 partnership shares 39,299,030 0 39,299,030
Redemption of 550,000 partnership shares (10,078,068) 0 (10,078,068)
Net income (loss) 21,093,603 0 21,093,603
Ending Balances at Jun. 30, 2016 $ 120,848,162 $ 0 $ 120,848,162
Net asset value, beginning of period at Dec. 31, 2015 $ 17    
Net asset value, end of period at Jun. 30, 2016 $ 19.34