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Condensed Statements of Cash Flows (Parenthetical) - USD ($)
Jun. 30, 2020
Jun. 30, 2019
Components of Cash and Cash Equivalents:    
Cash and Cash Equivalents $ 1,470,774,756 $ 1,337,255,138
Equity in Trading Accounts    
Cash and Cash Equivalents 2,102,280,331 148,739,529
Total Cash, Cash Equivalents and Equity in Trading Accounts $ 3,573,055,087 $ 1,485,994,667