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Investments in Trading Securities (Tables)
12 Months Ended
Jul. 31, 2021
Investments, Debt and Equity Securities [Abstract]  
Schedule of investments in trading securities
   As of July 31, 
   2021   2020 
Trading securities invested by ATIF  $871,809   $918,675 
Trading securities invested by ATIF LP   155,700    
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   $1,027,509   $918,675