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Condensed Statements of Cash Flows (Parenthetical) - USD ($)
Sep. 30, 2019
Sep. 30, 2018
Components of Cash and Cash Equivalents:    
Cash and Cash Equivalents, at Carrying Value $ 234,515,131 $ 281,621,183
Equity in Trading Accounts:    
Cash and Cash Equivalents 59,157,687 19,957,672
Total Cash, Cash Equivalents and Equity in Trading Accounts $ 293,672,818 $ 301,578,855