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Jay,
thnak you for your response but iwas more looking
for the code to plug in metastock. I have this formula
FORMULA
SAR[tomorrow]=SAR[today] + AF * (EP[trade]-SAR[today]
DEFINITIONS
SIP=the extreme price point while in the previous
tradeAF=begins at .02 and is increased (depending on the rules below) by .02
perday until .20AF is never increased beyond .20EP[trade]=Extreme
Price Point for the trade made so far
but this formual is uelless unles i know is how to calculate the
SAR(today) to be able to tweak things. i can't remember the formula that's why i
was asking for the code.
Thanks,
ugur
<BLOCKQUOTE
>
----- Original Message -----
<DIV
>From:
<A title=JayTownsend@xxxxxxx
href="">JayTownsend@xxxxxxx
To: <A
title=equismetastock@xxxxxxxxxxxxxxx
href="">equismetastock@xxxxxxxxxxxxxxx
Sent: Monday, May 26, 2003 3:46 PM
Subject: Re: [EquisMetaStock Group]
Parabolic SAR formula
<FONT lang=0 face=Arial size=2
FAMILY="SANSSERIF">Hi:Here's a site that has an explanation of the
Parabolic SAR which is much the same as the one in Wilder's book.<A
href="">http://www.incrediblecharts.com/technical/parabolic_sar_construction.htmTheir
explanation is below.I never tried to program it in MetaStock because
I've assumed that MetaStock has it correct, and it sure looked that way when I
was playing with it. It is like so many other formulas that are always
in the market, it works great in trending markets but you pay a high price in
choppy markets.JayThe "formula"<FONT lang=0
face=Arial color=#000000 size=6
FAMILY="SANSSERIF">
Parabolic SAR
<FONT lang=0 face=Arial
color=#000000 size=5
FAMILY="SANSSERIF">Construction<FONT lang=0
face=Arial color=#000000 size=2
FAMILY="SANSSERIF">There are a few basic concepts that need to be
addressed before we can explain how Parabolic SAR is
calculated:Extreme PointThis is the highest price recorded (to date)
during a long trade or the lowest price recorded (to date) during a short
trade.Significant PointThe SP is the highest price reached in a long
trade or the lowest price reached in a short trade. It is equal to the extreme
point when a trade is closed.Acceleration FactorThe Acceleration
Factor starts at 2% for a new trade and increases by 2% on each day that a new
extreme point is reached. The maximum acceleration factor is 20%. No further
increases are made after this figure has been reached..SAR
CalculationOn day 1 of a new trade (the day that the trade is
entered), the Parabolic SAR is taken as the significant point from the
previous trade.If the trade is Long the SP will be the extreme Low reached
in the previous trade.If the trade is Short then the SP will be the
extreme High reached in the previous trade.To calculate Parabolic SAR
for the following day: Take the difference between the extreme point and
the SAR (on day 1) and multiply by the acceleration factor. If the trade
is Long, add the result to the SAR on day 1. If the trade is Short,
subtract the result from the SAR on day 1.There is one
exception:Parabolic SAR is never moved within the range of the current or
previous day (highest High to lowest Low over the 2 days).If this occurs
in a long trade, use the lowest Low over the 2 days as SAR for the following
day.If short, use the highest High over the 2 days as SAR for the
following day.Repeat the Parabolic SAR calculation for each subsequent
day, adjusting the Acceleration Factor whenever a new extreme point is
recorded.The trade is reversed when price equals the Parabolic SAR for
the day.
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