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Anomalous behaviour of "pp : Pivot Momentum" expert advisor
Rank: Newbie
Groups: Registered, Registered Users, Subscribers
Joined: 12/8/2009(UTC)
Posts: 3
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Hello,
I use Metastock Pro 8.0 . I noted two anomalous behaviour when I use "pp : Pivot Momentum" expert advisor in real time:
1. the expert send signals in the past ( for example, the last bar is at 15:30 and the expert send a singnal at 10:00)
2. the expert delete signals ( for example, the expert send a signal at 11:00 and after 15 bars delete the signal).
Can anyone explain the reason of this ?
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Rank: Advanced Member
Groups: Registered, Registered Users
Joined: 11/7/2005(UTC)
Posts: 602
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It might be using Peak() and Trough() for the turning points?
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Rank: Newbie
Groups: Registered, Registered Users, Subscribers
Joined: 12/8/2009(UTC)
Posts: 3
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johnl, what do you mean exactly?
I'm testing the following formula:
hiP1:=ExtFml("PowerPivots.NthPivotPrice",2,0,2);
loP1:=ExtFml("PowerPivots.NthPivotPrice",-1,0,2);
hiP2:=ExtFml("PowerPivots.NthPivotPrice",1,0,2);
loP2:=ExtFml("PowerPivots.NthPivotPrice",-2,0,2);
a:=If(Cross(loP1,hiP1),1,0);
a=1
It is interesteng for back testing, but it doesn't work well with expert adviser in real time; in fact the expert sends entry and exit signals before the last bar.
Have anyone ideas? Are there bugs in NthPivotPrice function in real time mode?
Regards
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Rank: Advanced Member
Groups: Registered, Registered Users
Joined: 11/7/2005(UTC)
Posts: 602
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Whenever I have had similar experiences with disappearing signals it's been due
to signals being based upon highs and lows that, a few bars later, turn out not to be
the "real" high or low. If my signal spits out too many false signals I see if I can find
a way to get rid of them.
If you like the signals you might try to use additional indicators to validate the signal.
Watch some of the addon videos (available from this forum) and that is what they do
when setting up a trade.
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Rank: Advanced Member
Groups: Registered, Registered Users
Joined: 5/20/2008(UTC)
Posts: 53
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fran wrote:Hello,
I use Metastock Pro 8.0 . I noted two anomalous behaviour when I use "pp : Pivot Momentum" expert advisor in real time:
1. the expert send signals in the past ( for example, the last bar is at 15:30 and the expert send a singnal at 10:00)
2. the expert delete signals ( for example, the expert send a signal at 11:00 and after 15 bars delete the signal).
Can anyone explain the reason of this ? Power Pivot is a basic scam using hindsight to display nearly perfect entry/exit signals. Jose Silva is a Metastock expert who has explained how to cheat in Metastock in order to teach us not to trust "Black boxes" system like the pp system.
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