// === INPUT PARAMETERS === Range SD
rangeLength = 14 // Lookback period (e.g., 14, 20, or 8 days)
showTopLeft = 1 // 1 = top-left corner, 0 = top-right
// === INITIALIZATION ===
once dayRangeMonday[] = 0
once dayRangeTuesday[] = 0
once dayRangeWednesday[] = 0
once dayRangeThursday[] = 0
once dayRangeFriday[] = 0
once tyoRanges[] = 0
once ldnRanges[] = 0
once nycRanges[] = 0
// === TIME FILTERS FOR SESSIONS (GMT) ===
// Tokyo: 00:00 - 09:00 GMT
inTokyoSession = (time >= 000000 and time < 090000)
// London: 07:00 - 16:00 GMT
inLondonSession = (time >= 070000 and time < 160000)
// New York: 12:00 - 21:00 GMT
inNewYorkSession = (time >= 120000 and time < 210000)
// === SESSION RANGE CALCULATION ===
if barindex > rangeLength * 24 then
// Store daily high/low per session
if inTokyoSession then
tyoHigh = max(tyoHigh, high)
tyoLow = min(tyoLow, low)
endif
if inLondonSession then
ldnHigh = max(ldnHigh, high)
ldnLow = min(ldnLow, low)
endif
if inNewYorkSession then
nycHigh = max(nycHigh, high)
nycLow = min(nycLow, low)
endif
// End of day (at 23:00 GMT) – commit range and reset
if time = 230000 then
// Session Ranges
if tyoHigh <> 0 and tyoLow <> 0 then
tyoRanges.append(tyoHigh - tyoLow)
endif
if ldnHigh <> 0 and ldnLow <> 0 then
ldnRanges.append(ldnHigh - ldnLow)
endif
if nycHigh <> 0 and nycLow <> 0 then
nycRanges.append(nycHigh - nycLow)
endif
// Weekday Ranges
dayRange = high - low
select dayofweek
case 1
dayRangeMonday.append(dayRange)
case 2
dayRangeTuesday.append(dayRange)
case 3
dayRangeWednesday.append(dayRange)
case 4
dayRangeThursday.append(dayRange)
case 5
dayRangeFriday.append(dayRange)
endselect
// Reset session high/low
tyoHigh = 0
tyoLow = 999999
ldnHigh = 0
ldnLow = 999999
nycHigh = 0
nycLow = 999999
endif
endif
// === AVERAGE RANGE CALCULATION FUNCTION ===
def calcAverage(array, length)
sum = 0
count = min(length, array.size)
for i = 0 to count - 1 do
sum = sum + array[i]
next
if count > 0 then
result = sum / count
else
result = 0
endif
return result
enddef
// === COMPUTE AVERAGES ===
avgTyo = calcAverage(tyoRanges, rangeLength)
avgLdn = calcAverage(ldnRanges, rangeLength)
avgNyc = calcAverage(nycRanges, rangeLength)
avgMon = calcAverage(dayRangeMonday, rangeLength)
avgTue = calcAverage(dayRangeTuesday, rangeLength)
avgWed = calcAverage(dayRangeWednesday, rangeLength)
avgThu = calcAverage(dayRangeThursday, rangeLength)
avgFri = calcAverage(dayRangeFriday, rangeLength)
// === DISPLAY TEXT OUTPUT ===
xOffset = 10
yOffset = 20
if showTopLeft then
posX = barindex - xOffset
else
posX = barindex + xOffset
endif
drawtext("TYO R " + round(avgTyo), posX, high + yOffset, dialog, "Arial", 12, standard, showTopLeft)
drawtext("LND R " + round(avgLdn), posX, high + yOffset - 10, dialog, "Arial", 12, standard, showTopLeft)
drawtext("NYC R " + round(avgNyc), posX, high + yOffset - 20, dialog, "Arial", 12, standard, showTopLeft)
drawtext("M " + round(avgMon), posX, high + yOffset - 40, dialog, "Arial", 12, standard, showTopLeft)
drawtext("T " + round(avgTue), posX, high + yOffset - 50, dialog, "Arial", 12, standard, showTopLeft)
drawtext("W " + round(avgWed), posX, high + yOffset - 60, dialog, "Arial", 12, standard, showTopLeft)
drawtext("T " + round(avgThu), posX, high + yOffset - 70, dialog, "Arial", 12, standard, showTopLeft)
drawtext("F " + round(avgFri), posX, high + yOffset - 80, dialog, "Arial", 12, standard, showTopLeft)
.
