Re: Wilder's Original RSI Explanation?

["Wayne" <wayner@xxxxxxxxx>]

Hi Roy:
 
Thanks for this- I 
will save it.
 
Wayne
 
 
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  ----- Original Message ----- 
  <DIV 
  style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black">From: 
  Roy 
  Larsen 
  To: <A title=metastock@xxxxxxxxxxxxx 
  href="mailto:metastock@xxxxxxxxxxxxx";>metastock@xxxxxxxxxxxxx 
  Sent: Sunday, August 18, 2002 12:25 
  AM
  Subject: Re: Wilder's Original RSI 
  Explanation?
  Here is MetaStock code I found some time ago on the Guppy site. 
  It may be ofsome help.Roy  {ADX Plus Directional 
  Movement}Periods:= Input("Enter time periods",1,100,14);PlusDM:= 
  If(HIGH>Ref(HIGH,-1) ANDLOW>=Ref(LOW,-1), 
  HIGH-Ref(HIGH,-1),If(HIGH>Ref(HIGH,-1) AND LOW<Ref(LOW,-1)AND 
  HIGH-Ref(HIGH,-1)>Ref(LOW,-1)-LOW,HIGH-Ref(HIGH,-1), 0));DIPlus:= 
  100 * Wilders(PlusDM,Periods) /ATR(Periods);MinusDM:= 
  If(LOW<Ref(LOW,-1) ANDHIGH<=Ref(HIGH,-1), 
  Ref(LOW,-1)-LOW,If(HIGH>Ref(HIGH,-1) AND LOW<Ref(LOW,-1)AND 
  HIGH-Ref(HIGH,-1)<Ref(LOW,-1)-LOW,Ref(LOW,-1)-LOW, 0));DIMinus:= 
  100 * Wilders(MinusDM,Periods)/ATR(Periods);DIDif:= Abs(DIPlus - 
  DIMinus);DISum:= DIPlus + DIMinus;100*Wilders(DIDif/DISum, 
  Periods);  {ADX Minus Directional Movement}Periods:= 
  Input("Enter time periods",1,100,13);PlusDM:= If(HIGH>Ref(HIGH,-1) 
  ANDLOW>=Ref(LOW,-1), HIGH-Ref(HIGH,-1),If(HIGH>Ref(HIGH,-1) AND 
  LOW<Ref(LOW,-1)AND 
  HIGH-Ref(HIGH,-1)>Ref(LOW,-1)-LOW,HIGH-Ref(HIGH,-1), 0));DIPlus:= 
  100 * Wilders(PlusDM,Periods) /ATR(Periods);MinusDM:= 
  If(LOW<Ref(LOW,-1) ANDHIGH<=Ref(HIGH,-1), 
  Ref(LOW,-1)-LOW,If(HIGH>Ref(HIGH,-1) AND LOW<Ref(LOW,-1)AND 
  HIGH-Ref(HIGH,-1)<Ref(LOW,-1)-LOW,Ref(LOW,-1)-LOW, 0));DIMinus:= 
  100 * Wilders(MinusDM,Periods)/ATR(Periods);DIDif:= Abs(DIPlus - 
  DIMinus);DISum:= DIPlus + DIMinus;100*Wilders(DIDif/DISum, 
  Periods);  {ADX}Periods:= Input("Enter time 
  periods",1,100,14);PlusDM:= If(HIGH>Ref(HIGH,-1) 
  ANDLOW>=Ref(LOW,-1), HIGH-Ref(HIGH,-1),If(HIGH>Ref(HIGH,-1) AND 
  LOW<Ref(LOW,-1)AND 
  HIGH-Ref(HIGH,-1)>Ref(LOW,-1)-LOW,HIGH-Ref(HIGH,-1), 0));DIPlus:= 
  100 * Wilders(PlusDM,Periods) /ATR(Periods);MinusDM:= 
  If(LOW<Ref(LOW,-1) ANDHIGH<=Ref(HIGH,-1), 
  Ref(LOW,-1)-LOW,If(HIGH>Ref(HIGH,-1) AND LOW<Ref(LOW,-1)AND 
  HIGH-Ref(HIGH,-1)<Ref(LOW,-1)-LOW,Ref(LOW,-1)-LOW, 0));DIMinus:= 
  100 * Wilders(MinusDM,Periods)/ATR(Periods);DIDif:= Abs(DIPlus - 
  DIMinus);DISum:= DIPlus + DIMinus;100*Wilders(DIDif/DISum, 
  Periods);----- Original Message -----From: "Lionel Issen" 
  <<A 
  href="mailto:lissen@xxxxxxxxxxxxxx";>lissen@xxxxxxxxxxxxxx>To: 
  <<A 
  href="mailto:metastock@xxxxxxxxxxxxx";>metastock@xxxxxxxxxxxxx>Sent: 
  Sunday, August 18, 2002 5:17 PMSubject: RE: Wilder's Original RSI 
  Explanation?> Wayne:> "Trading systems and Methods, 3rd 
  edition" by Perry Kaufman has has what> seems like a detailed 
  description in less than 30 pages.  He alsodiscusses> 
  variations on the RSI. His code is written in Trade Station easy 
  language.>> If your library (local or academic) doesn't have a 
  copy they can probably> get it for you on interlibrary 
  loan.>> Hope this helps>  Lionel> 
  -----Original Message-----> From: <A 
  href="mailto:owner-metastock@xxxxxxxxxxxxx";>owner-metastock@xxxxxxxxxxxxx[mailto:owner-metastock@xxxxxxxxxxxxx]On> 
  Behalf Of Wayne> Sent: Saturday, August 17, 2002 4:46 PM> To: <A 
  href="mailto:Metastock@xxxxxxxxxxxxx";>Metastock@xxxxxxxxxxxxx> 
  Subject: Wilder's Original RSI Explanation?>>> Hi 
  There:>> I am trying to study J. Wells Wilder's original RSI 
  formula, past thebasic> description and formula given in the 
  Metastock manual.>> The manual only says, "The RSI is a fairly 
  simple formula, but isdifficult> to explain without pages of 
  examples.">> Does anybody have a more detailed study, perhaps 
  Wilder's own explanation,> regarding this? I can't seem to find much 
  past the basics on the internet.>> Many thanks,>> 
  Wayne> Victoria, BC> 
Canada>