[kmymoney4] [Bug 385993] New: Error in investment interest (Jahresrendite)

[Henser Deas]

https://bugs.kde.org/show_bug.cgi?id=385993

            Bug ID: 385993
           Summary: Error in investment interest (Jahresrendite)
           Product: kmymoney4
           Version: 4.8.0
          Platform: MS Windows
                OS: MS Windows
            Status: UNCONFIRMED
          Keywords: usability
          Severity: normal
          Priority: NOR
         Component: database
          Assignee: kmymoney-devel at kde.org
          Reporter: bruno.glaser at gmx.de
  Target Milestone: ---

Created attachment 108479
  --> https://bugs.kde.org/attachment.cgi?id=108479&action=edit
Sometimes error in investment return calculation

I have entered 39 booking for investments (buy, dividend, sell) and sometimes,
there are obvious wrong calculations for investment return (Jahresrendite),
i.e. there should be a clear positive result, but there is a strong negative
results (around -98%). This happend to five out of my 39 bookings. I guess it
has to to with assignment of starting date for my investments. Maybe the error
can be solved by eliminating any date to investments analogous to a similar
previous error.
Errors also change if I added new investments.

Many thanks for solving the problem as the function is essential to myself
using the program. The error both occurs in KMyMoney 4.6.4 in Kubuntu and
KMyMoney 8.2 in Win7.

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