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On Sun, 2 Aug 1998 16:29:19 -0500, you wrote:
>If we were to review all the problems with system test that don't click with
>reality, their number would be legion.
You missed the point. MS' system test puts _too much_ reality into a
system test because it includes the individual _sequence_ of the
trades into its rating system. But a system should be tested only with
respect to the trades, where every trade should be rated in the same
way. MS seemingly is unable to do that.
> But forget about the buy and hold
>reading. It starts reading from the first data point. While I can't imagine
>a buy and hold, think what we are saying the "investor" decides to buy on
>that date, there is no logic to that.
??? - Jan wrote:
> Is there an
>option/workaround to set the date at which the Buy and Hold strategie should
>start?
This makes much sense to me to synchronize the start of a b&h system
with a special system test to make both comparable, and it has nothing
to do with "investor decides to buy on that date".
> MSWIN could really be a show stopper if
>they provided system test over muti-stocks rather than the one at a time
>test that has no meaning in today's market. I think you need a minimum of 5
>years data, more is better and you need to look at a minimum of 50 stocks
>similar to what you trade. It would mean more if you selected the stocks at
>random.
Because I use MS on (special) options, your point fails (again)
completely for me. All what I asked for is a reliable system test
without any immanent & uncontrollable weighting, which could be
avoided easily by providing a capability for a constant investment for
every single trade.
mfg rudolf stricker
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