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Kase DevStop by Cynthia Kase
Here's what I think a DEVSTOP is in MetaStock language,described in Kase's
"Trading with the Odds", calculates an average range and SD of the range,and then draws 4 lines below the high, at 1 range and 0,1,2, and 3 SD's. "2.2"and "3.6"are corrections for skew of the distribution.

Kase DevStop I

AVTR:=Mov(HHV(H,2) - LLV(L,2),20, S);
SD:=Stdev(HHV(H,2) - LLV(L,2),20);
HHV(H-AVTR-3.6*SD, 20);
HHV(H-AVTR-2.2*SD,20);
HHV(H-AVTR-SD,20);
HHV(H-AVTR,20);

 

 
e-w-DEVSTO1.gif
from Mikelu





----- Original Message -----
From: "Lino Alessi" <linoaalessi@xxxxxxxxxxxxxx>
To: "C.S." <csaxe@xxxxxxxxxxx>
Sent: Sunday, May 13, 2001 11:04 AM
Subject: Kase Info

> Hi Corey
> My name is Lino Alessi and I am a commodity trader. I found your info on
> Kase very interesting. I have not read her book. Would you share the MS
> code for Kase Devstop so I can try it out. I would share any results with you.
> Any further info would be appreciated successful trading!
> Lino

Re: Kase Info

To: "MetaStock List" <metastock@xxxxxxxxxxxxx>, "Lino Alessi" <linoaalessi@xxxxxxxxxxxxxx>
Subject: Re: Kase Info
From: "C.S." <csaxe@xxxxxxxxxxx>
Date: Sun, 13 May 2001 13:19:00 -0700
References: <3AFECC98.B1624D69@xxxxxxxxxxxxxx>
Reply-To: metastock@xxxxxxxxxxxxx
Sender: owner-metastock@xxxxxxxxxxxxx

Hi Lino,
Here is what I found for her Kase DevStop:

 


Kase DevStop II

{Cynthia Kase}
Per1:=Input("Max Length",2,100,30);

RWH:=(H-Ref(L,-Per1))/(ATR(Per1)*Sqrt(Per1));
RWL:=(Ref(H,-Per1)-L)/(ATR(Per1)*Sqrt(Per1));

Pk:=Mov((RWH-RWL),3,W);
AVTR:=Mov(HHV(H,2) - LLV(L,2),20, S);
SD:=Stdev(HHV(H,2) - LLV(L,2),20);
Val4:=If(Pk>0,HHV(H-AVTR-3*SD,20),LLV(L+AVTR+3*SD,20));
Val3:=If(Pk>0,HHV(H-AVTR-2*SD,20),LLV(L+AVTR+2*SD,20));
Val2:=If(Pk>0,HHV(H-AVTR-SD,20),LLV(L+AVTR+SD,20));
Val1:=If(Pk>0,HHV(H-AVTR,20),LLV(L+AVTR,20));

Val4;
Val3;
Val2;
Val1;

 

e-w-DEVSTO2.gif
As can be seen from the formula, she uses standard deviations for the user to decide at what point to exit a position. Stops are set where there isincreasing statistical probability of reversal against the trend. This issupposedly based on the log normal shape of the curve of the range curve.The manual which describes how to operate the software is at http://www.fimi.com/Kase/k0.htm

-Corey

[2010]

Philosophy:

The DevStop is the closest we can come to an ideal stop level in the real world. The indicator mathematics accounts for volatility (which is directly proportional to risk), and also for the variance of volatility (how much risk changes from bar to bar) and volatility skew (the propensity for volatility to spike higher from time to time).

Specifically, the DevStop places exit points at 1, 2 and 3 standard deviations over the mean two bar true range, corrected for skew. So we can take profit or cut losses at levels at which the probability of a trade remaining profitable is low, without taking more of a loss or cutting profits any sooner than necessary.

Interpretation:

The stop consists of four exit points, a Warning line and Dev 1, 2 and 3. Two closes against the warning count as Dev 1.

Source / From: TOP
http://purebytes.com/archives/metastock/ http://www.guppytraders.com

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