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The TS
SAR code is in Kaufman, Ugar.
My
scanner is out but it's on pp 443-4 if some may volunteer.
<SPAN
class=901572721-27052003>Lacking that, I'll sketch the TS code, using
your formula [in red].
<SPAN
class=901572721-27052003>
<SPAN
class=901572721-27052003>1-assume a long or short position [long if last swing
was low & short if last swing was high]
2-Calc
SAR per below, adjusting the EP as the price moves.
3-Keep
SAR outside of today and yesterday by
[if
short]: if SAR < High then
SAR = High: if SAR < High[1] then SAR = High[1]:
[if
long]: if SAR > Low
then SAR = Low: if SAR > Low[1] then SAR = Low[1]:
<SPAN
class=901572721-27052003> <FONT
color=#0000ff><FONT color=#ff0000 face=Arial
size=2>DEFINITIONS
AF=begins at .02 and is increased
(depending on the rules below) by .02 per
day until .20AF is never increased beyond .20EP[trade]=Extreme
Price Point [Lo or Hi] for the trade
made so far
SAR<SPAN
class=901572721-27052003> = SAR[1]
+ AF * (EP[1]-SAR[<SPAN
class=901572721-27052003>1]<SPAN
class=901572721-27052003>) <SPAN
class=901572721-27052003>;
<SPAN
class=901572721-27052003>
<SPAN
class=901572721-27052003>Bob
<SPAN
class=901572721-27052003>
<SPAN
class=901572721-27052003>
<FONT face=Tahoma
size=2>-----Original Message-----From: Ugur Arslan
[mailto:ugur_arslan@xxxxxxxxxxx]Sent: Monday, May 26, 2003 6:00
PMTo: equismetastock@xxxxxxxxxxxxxxxSubject: Re:
[EquisMetaStock Group] Parabolic SAR formula
I appreciate it Bob, TS code still might help to
understand how Wilder constructed the indicator,
thanks,
<BLOCKQUOTE
>
----- Original Message -----
<DIV
>From:
Bob Jagow
To: <A
href=""
title=equismetastock@xxxxxxxxxxxxxxx>equismetastock@xxxxxxxxxxxxxxx
Sent: Monday, May 26, 2003 8:55
PM
Subject: RE: [EquisMetaStock Group]
Parabolic SAR formula
<SPAN
class=121585200-27052003>The algorithm I cited was from Kaufman's
"trading systems and methods". The TS code may be there -- will check
later.
<SPAN
class=121585200-27052003>
<SPAN
class=121585200-27052003>Bob
<FONT face=Tahoma
size=2>-----Original Message-----From: Ugur Arslan
[mailto:ugur_arslan@xxxxxxxxxxx]Sent: Monday, May 26, 2003 5:40
PMTo: <A
href="">equismetastock@xxxxxxxxxxxxxxxSubject:
Re: [EquisMetaStock Group] Parabolic SAR formula
Bob,
if i can find the formula i think i can find
a way to implement it into metastock or at least try. I have been
writing complex codes for a while, just can't seem to find what the
formula is for SAR. It would be very helpful if you know where i can find
the complex formula of SAR.
thanks
ugur
<BLOCKQUOTE
>
----- Original Message -----
<DIV
>From:
Bob
Jagow
To: <A
href=""
title=equismetastock@xxxxxxxxxxxxxxx>equismetastock@xxxxxxxxxxxxxxx
Sent: Monday, May 26, 2003 8:18
PM
Subject: RE: [EquisMetaStock Group]
Parabolic SAR formula
<SPAN
class=849580700-27052003>That code is incomplete,
Ugar.
<SPAN
class=849580700-27052003>The tough part to program is an additional rule
which doesn't allow SAR to enter the price range of the last 2
days.
<SPAN
class=849580700-27052003>
<SPAN
class=849580700-27052003>Bob
<SPAN
class=849580700-27052003>
<SPAN
class=849580700-27052003>
<SPAN
class=849580700-27052003>
<SPAN
class=849580700-27052003>
<FONT face=Tahoma
size=2>-----Original Message-----From: Ugur Arslan
[mailto:ugur_arslan@xxxxxxxxxxx]Sent: Monday, May 26, 2003
4:35 PMTo: <A
href="">equismetastock@xxxxxxxxxxxxxxxSubject:
Re: [EquisMetaStock Group] Parabolic SAR formula
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 href=""
title=JayTownsend@xxxxxxx>JayTownsend@xxxxxxx
To: <A
href=""
title=equismetastock@xxxxxxxxxxxxxxx>equismetastock@xxxxxxxxxxxxxxx
Sent: Monday, May 26, 2003 3:46
PM
Subject: Re: [EquisMetaStock
Group] Parabolic SAR formula
<FONT face=Arial lang=0
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
color=#000000 face=Arial lang=0 size=6
FAMILY="SANSSERIF">
Parabolic SAR
<FONT color=#000000 face=Arial lang=0 size=5
FAMILY="SANSSERIF">Construction<FONT
color=#000000 face=Arial lang=0 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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