bandes vwap semaine , mensuel année

Bonjour , j’ai essayer de coder un indicateur de bande vwap semaine mensuel et année mais j’ais un message d’erreur ” caractères manquants suggestion : fin du code ” . Je ne sais pas comment corriger mon erreur , pouvez vous m’aider ?

voila la fin du code

SDlw2a = VWAPmonthly-sda*1.50
SDup3a = VWAPmonthly+sda*2.25
SDlw3a = VWAPmonthly-sda*2.25

if VWAPmonthly>VWAPmonthly[1] then
color = 1
else
color = -1
endif

p1b = SUMMATION[dYearly](volume*typicalprice)
p2b = SUMMATION[dYearly](volume)
p3b = SUMMATION[dYearly](volume*typicalprice*typicalprice)
mab = p1b/p2b
ma2b = p3b/p2b
sdb = sqrt(abs(ma2b – mab * mab))

SDup1b = VWAPyearly+sdb*0.75
SDlw1b = VWAPyearly-sdb*0.75
SDup2b = VWAPyearly+sdb*1.50
SDlw2b = VWAPyearly-sdb*1.50
SDup3b = VWAPyearly+sdb*2.25
SDlw3b = VWAPyearly-sdb*2.25

if VWAPyearly>VWAPyearly[1] then
color = 1
else
color = -1
endif
return
return
RETURN VWAPweekly coloured by color as “VWAPweekly”, SDup1 coloured(103, 113, 121) as “upper 1 STD”, SDlw1 coloured(103, 113, 121) as “lower 1 STD”, SDup2 coloured(15, 157, 232) as “upper 2 STD”, SDlw2 coloured(15, 157, 232) as “lower 2 STD”, SDup3 coloured(187, 11, 11) as “upper 3 STD”, SDlw3 coloured(187, 11, 11) as “lower 3 STD”,
VWAPmonthly coloured by color as “VWAPmonthly”, SDup1a coloured(103, 113, 121) as “upper 1 STDa”, SDlw1a coloured(103, 113, 121) as “lower 1 STDa”, SDup2a coloured(15, 157, 232) as “upper 2 STDa”, SDlw2a coloured(15, 157, 232) as “lower 2 STDa”, SDup3a coloured(187, 11, 11) as “upper 3 STDa”, SDlw3a coloured(187, 11, 11) as “lower 3 STDa”
endif VWAPyearly coloured by color as “VWAPyearly”, SDup1b coloured(103, 113, 121) as “upper 1 STDb”, SDlw1b coloured(103, 113, 121) as “lower 1 STDb”, SDup2b coloured(15, 157, 232) as “upper 2 STDb”, SDlw2b coloured(15, 157, 232) as “lower 2 STDb”, SDup3b coloured(187, 11, 11) as “upper 3 STDb”, SDlw3b coloured(187, 11, 11) as “lower 3 STDb”
return

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