Some execution providers use a different method for computing profits and losses (e.g., average price method) or do not retain a correct cost basis for overnight positions. In those cases, the P&L your execution provider is showing will not match PropReports. PropReports uses an intra-day First In, First Out (FIFO), followed by overnight FIFO methodology. Although a P&L may appear different, when the entirety of the position is closed out, the traders end P&L will be equal using either accounting method.
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