> I am modifying JBookTrader for multiple instruments, and have now
> wandered into the performance manager section.  JBookTrader, for the
> purposes of evaluating performance, considers the trade to be over, or
> ending, when the "position becomes smaller", i.e. if you are shorting,
> a trade has finished when you are shorting fewer shares/contracts/
> etc.  However, if it determines that you are going bigger in your bet,
> it does not count that as the end of a trade.
>

JBT counts the trade as "completed" when the position direction
changes from a non-zero value. Examples:

>From 0 to 1  -> incomplete trade
>From 1 to 2  -> incomplete trade
>From 0 to -1  -> incomplete trade
>From -1 to -2  -> incomplete trade
>From 1 to 0  -> complete trade
>From -1 to 0  -> complete trade
>From -1 to 1  -> complete trade
>From 1 to -1  -> complete trade

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