Buon tentativo… ‘Colorbetween’ è un cliente ingannevole in questo caso.

Non lo capisco ancora del tutto, ma posso usare abbastanza per portare a termine il lavoro per ora.

Druby

 // constants
period = 13
deviation1 = 1
deviation2 = 2
deviation3 = 3
up = 1
down = -1
begin = 1
null = 0

// (i) indicators
iSTD1 = deviation1 * STD[period](close)
iSTD2 = deviation2 * STD[period](close)
iSTD3 = deviation3 * STD[period](close)
iSMA = Average[period,0](close)

// (c) conditions
cUpperBand3  = iSMA + iSTD3  //          ----3----
cUpperBand2  = iSMA + iSTD2  //       ----2----
cUpperBand1  = iSMA + iSTD1  //    ----1----
cMiddleBand  = iSMA          // ----0----
cLowerBand1  = iSMA - iSTD1  //    ----1----
cLowerBand2  = iSMA - iSTD2  //       ----2----
cLowerBand3  = iSMA - iSTD3  //          ----3----

// delay start
if begin = 1 and barindex < period then  // hold off till enough bar present
ts = undefined  // removes ts tangent line from 0 til real value available
else
begin = 0
endif

// logic operation
 
// setup block --> When 'begin' = 0,  executes next block.
//                  Since 'trend' default = 0, being set to 1 or -1 will
//                  allow the 'following' logic code blocks to be executed
 
// Bollinger Logic -----------
 
// initial, set trend, trend only changed by iSTD1
if begin = null then
if close crosses over cUpperband1 then
trend = up
elsif close crosses under cLowerBand1 then
trend = down
endif
endif
 
// following from first time after trend set!
// change of trend,   up --> down
if trend = up and close crosses under cLowerBand1 then
trend = down
endif
 
// change of trend,   down --> up
if trend = down and close crosses over cUpperBand1 then
trend = up
endif
 
// set 'ts' values to appropriate band threshold level
if trend = up then
ts = cLowerBand1
elsif trend = down then
ts = cUpperBand1
endif

// drawing  ==============================================================================

// color settings
if trend = up then
r = 0
g = 255

a1 = 90 // on   upperband 3 green
a2 = 70 // on   upperband 2 green
a3 = 50 // on   upperband 1 green
a4 = 30 // on   lowerband 1 green

a5 = 0  // off  upperBand 1 red
a6 = 0  // off  lowerBand 1 red
a7 = 0  // off  lowerBand 2 red
a8 = 0  // off  lowerBand 3 red

elsif trend = down then
r = 255
g = 0

a1 = 0  // off upperband 3 green
a2 = 0  // off upperband 2 green
a3 = 0  // off upperband 1 green
a4 = 0  // off lowerband 1 green

a5 = 30 // on  upperBand 1 red
a6 = 50 // on  lowerBand 1 red
a7 = 70 // on  lowerBand 2 red
a8 = 90 // on  lowerBand 3 red
 
endif


// band colors  - # turn of any conflicting 'colour zones' in 'config settings'!!!

// green
colorbetween(cUpperBand2,cUpperBand3, r,g,0,a1)  // upperBand3 green - trend up
colorbetween(cUpperBand1,cUpperBand2, r,g,0,a2)  // upperBand2 green - trend up
colorbetween(cMiddleBand,cUpperBand1, r,g,0,a3)  // upperBand1 green - trend up
colorbetween(cMiddleBand,cLowerBand1, r,g,0,a4)  // lowerBand1 green - trend up
 
// red
colorbetween(cMiddleBand,cUpperBand1, r,g,0,a5)  // upperBand1 red - trend down
colorbetween(cMiddleBand,cLowerBand1, r,g,0,a6)  // lowerBand1 red - trend down
colorbetween(cLowerBand1,cLowerBand2, r,g,0,a7)  // upperBand2 red - trend down
colorbetween(cLowerBand2,cLowerBand3, r,g,0,a8)  // upperBand3 red - trend down


return ts coloured(r,g,50) style(line,1) as "dev", cMiddleBand coloured(r,g,50) style(dottedline,1)as "sma"

fm2-colors.png