Fair Gap Value

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08/14/2025 at 9:36 AM #249717 quote

Philippe
Participant

Junior

Bonjour à tous,

J’essaie en vain de coder un FGV sur 3 bougies et de me les afficher tous tant qu’ils ne sont pas comblés.

J’ai de code qui ne m’affiche rien du tout :

// ———- Paramètres ———-
MinGapPts = 1
ExtendBars = 30 // si ExtendUntilFill = 0
ExtendUntilFill = 1 // 1 = rectangle disparaît quand comblé

minGap = MinGapPts * pointsize

// ———- Etats persistants ———-
ONCE bullActive = 0
ONCE bearActive = 0

ONCE bullTop = 0.0
ONCE bullBot = 0.0
ONCE bearTop = 0.0
ONCE bearBot = 0.0

ONCE bullStart = 0
ONCE bearStart = 0

// ———- Détection ———-
bullCond = (low > high[2]) AND (low – high[2] >= minGap)
bearCond = (high < low[2]) AND (low[2] – high >= minGap)

IF bullCond THEN
bullTop = high[2] // haut du rectangle = high de la 1ère bougie
bullBot = low[0] // bas du rectangle = low de la 3ème bougie
bullStart = barindex
bullActive = 1
ENDIF

IF bearCond THEN
bearTop = high[0] // haut du rectangle = high de la 3ème bougie
bearBot = low[2] // bas du rectangle = low de la 1ère bougie
bearStart = barindex
bearActive = 1
ENDIF

// ———- Gestion persistance ———-
IF ExtendUntilFill = 1 THEN
IF bullActive = 1 AND low <= bullBot THEN
bullActive = 0
ENDIF
IF bearActive = 1 AND high >= bearTop THEN
bearActive = 0
ENDIF
ENDIF

// ———- Dessin ———-
IF bullActive = 1 THEN
bullEnd = barindex
IF ExtendUntilFill = 0 THEN
bullEnd = bullStart + ExtendBars
IF barindex > bullEnd THEN
bullActive = 0
ENDIF
ENDIF
IF bullEnd <= bullStart THEN
bullEnd = bullStart + 1
ENDIF
DRAWRECTANGLE(bullStart, bullTop, bullEnd, bullBot) COLOURED(0,180,0,60)
ENDIF

IF bearActive = 1 THEN
bearEnd = barindex
IF ExtendUntilFill = 0 THEN
bearEnd = bearStart + ExtendBars
IF barindex > bearEnd THEN
bearActive = 0
ENDIF
ENDIF
IF bearEnd <= bearStart THEN
bearEnd = bearStart + 1
ENDIF
DRAWRECTANGLE(bearStart, bearTop, bearEnd, bearBot) COLOURED(220,0,0,60)
ENDIF

// ———- Séries pour RETURN ———-
bullTopPlot = undefined
bullBotPlot = undefined
bearTopPlot = undefined
bearBotPlot = undefined

IF bullActive = 1 THEN
bullTopPlot = bullTop
bullBotPlot = bullBot
ENDIF
IF bearActive = 1 THEN
bearTopPlot = bearTop
bearBotPlot = bearBot
ENDIF

RETURN bullTopPlot AS “FVG+ Haut”, bullBotPlot AS “FVG+ Bas”, bearTopPlot AS “FVG- Haut”, bearBotPlot AS “FVG- Bas”

Avez-vous une idée ?

Merci par avance,

Bien Cordialement,

08/17/2025 at 11:39 AM #249827 quote
robertogozzi
Moderator

Legend
Votre code:
```
// ———- Gestion persistance ———-
IF ExtendUntilFill = 1 THEN
   IF bullActive = 1 AND low <= bullBot THEN
      bullActive = 0
   ENDIF
   IF bearActive = 1 AND high >= bearTop THEN
      bearActive = 0
   ENDIF
ENDIF
```
Il faut le changer comme ceci, sans le symbole “=” :
```
// ———- Gestion persistance ———-
IF ExtendUntilFill = 1 THEN
   IF bullActive = 1 AND low < bullBot THEN
      bullActive = 0
   ENDIF
   IF bearActive = 1 AND high > bearTop THEN
      bearActive = 0
   ENDIF
ENDIF
```
ou changez-le comme ceci, si vous préférez utiliser “=”, indiquez simplement que la vérification doit être effectuée dans la barre suivante :
```
// ———- Gestion persistance ———-
IF ExtendUntilFill = 1 THEN
   IF bullActive = 1 AND low <= bullBot AND BarIndex > bullStart THEN
      bullActive = 0
   ENDIF
   IF bearActive = 1 AND high >= bearTop AND BarIndex > bearStart THEN
      bearActive = 0
   ENDIF
ENDIF
```
parce que LOW ou HIGH sont immédiatement égaux à leurs-même.
08/17/2025 at 11:57 AM #249828 quote

Philippe
Participant

Junior

Merci

robertogozzi thanked this post
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