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Jim,
I am not good at all with formulas and I was trying to copy your Short
Formula into explorer and it says that "optimization variables are not
allowed in this type of formula"
What else do I need to other than just inputting the short formula into the
explorer?
Thanks,
Bill
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> From: Jim Greening <JimGinVA@xxxxxxxxxxxxx>
> To: metastock@xxxxxxxxxxxxx
> Subject: Re: Tema
> Date: Wednesday, July 15, 1998 6:54 PM
>
> CMA,
> I'll copy an old post below.
>
> Jim
> --------------------------------------
> The Rsquared, S/C,MFI test is based on linear regression.
> RSquared is a function that measures how strong a data array of given
> length is trending. A return of one correlates to a very strong trend
> in either direction. A return of zero correlates to no trend. I'm
> using it to tell me when there is no trend over the last 21 days, or
> that rsquared(C,21) is less than 0.15. Now that we have no trend, we
> would expect one to start in the next 5 to 13 days. If one does start
> we want to determine the direction and get in early. Therefore
> Rsquared is used as a trigger, using it as an ALERT function. With
> the ALERT given, if all the rest of the conditions are met any time
> within a 13 day period, the buy signal will be generated. I'm then
> using S/C and MFI to determine trend start and direction.
> S/C is nothing more than the normalized 34 day LinRegSlope of the
> close. I normalize it by dividing it by the close so charts are more
> directly comparable. I also multiply by 10000 just to get numbers
> between 0 and a few hundred. Finally I apply Tema smoothing to get a
> smoother plot. The theory is that if S/C is rising then a uptrend is
> in progress. If S/C is falling a down trend is in progress. I check
> this by making sure that tema(S/C) is larger than an optimized value
> (opt1) and is rising. I use the function HHV(X,5) = HHV(X,13) to
> check. This is just a quick way to determine if the most reason
> values of X have been rising. If the condition is met, then S/C is
> rising. Similarly if it met the condition LLV(X,5) = LLV(C,13) it
> would be falling.
> I double check the result by also making sure that MFI is also
> rising. When all conditions are met within 13 days of the alert, we
> get a buy signal. The converse is true for a sell signal. Since the
> market is biased upwards, I add two additional checks for the short -
> MFI less then 0 and the 55 day variable moving average falling. I
> close the positions when the trend has stopped. For the long position
> I check that the Tema(MFI) is below 0, the Tema(S/C) is below opt 1
> and a 55 day exp moving average is falling. Short positions tend to
> move faster, so I only look the 144 day moving aver to begin rising to
> close that position. The complete test follows:
>
> ENTER LONG:
> Alert(RSquared(C,21) < 0.15,13) AND
> Tema(10000*LinRegSlope(C,34)/C,34) > opt1 AND
> HHV(Tema(10000*LinRegSlope(C,34)/C,34),5) =
> HHV(Tema(10000*LinRegSlope(C,34)/C,34),13) AND
> HHV(Tema(MFI(55),55),5) = HHV(Tema(MFI(55),55),13)
>
> CLOSE LONG:
>
> Tema(MFI(55),55) - 50 < 0 AND
> Tema(10000*LinRegSlope(C,34)/C,34) < opt1 AND
> LLV(Tema(10000*LinRegSlope(C,34)/C,34),5) =
> LLV(Tema(10000*LinRegSlope(C,34)/C,34),13) AND
> LLV(Tema(MFI(55),55),5) = LLV(Tema(MFI(55),55),13)
>
> ENTER SHORT
>
> Alert(RSquared(C,21) < 0.15,13) AND
> Tema(10000*LinRegSlope(C,34)/C,34) < opt2 AND
> LLV(Tema(10000*LinRegSlope(C,34)/C,34),5) =
> LLV(Tema(10000*LinRegSlope(C,34)/C,34),13) AND
> LLV(Tema(MFI(55),55),5) = LLV(Tema(MFI(55),55),13) AND
> Tema(MFI(55),55) - 50 < 0 AND
> LLV(Mov(C,55,VAR),5) = LLV(Mov(C,55,VAR),13)
>
> CLOSE SHORT
>
> HHV(Mov(C,55,VAR),5) = HHV(Mov(C,55,VAR),13) AND
> Tema(MFI(55),55) - 50 > 0
>
> OPTIMIZATION:
>
> OPT1: Min=-34 Max=-8 Step=13
> OPT2: Min=-55 Max=-21 Step=34
>
> -----Original Message-----
> From: amc amc <cma6@xxxxxxxxx>
> To: metastock@xxxxxxxxxxxxx <metastock@xxxxxxxxxxxxx>
> Date: Wednesday, July 15, 1998 11:09 AM
> Subject: Tema
>
>
> >
> >To Jim Greening:Don't know if you have covered this, but can you
> >describe Tema S/C and Tema MFI (money flow index?), howconstructed
> >and how interpreted. Thanks, CMA
> >
> >
> >
> >_________________________________________________________
> >DO YOU YAHOO!?
> >Get your free @yahoo.com address at http://mail.yahoo.com
> >
>
>
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