RTH Opening Range with Extensions - by LeoTheTiger @ES_F_Leo

rth_opening_range_with_extensions

//@version=6
// https://x.com/ES_F_Leo/status/1996649978568282502

indicator('RTH Opening Range with Extensions', overlay = true, max_boxes_count = 500, max_lines_count = 500)

// ==================== INPUTS ====================

// Opening Range Settings
orDuration = input.int(5, 'Opening Range Duration (minutes)', options = [1, 5, 15, 30])
rangeColor = input.color(color.gray, 'Range Line Color', group = 'Opening Range')
rangeFillColor = input.color(color.new(color.gray, 85), 'Range Fill Color', group = 'Opening Range')
rangeStyle = input.string('Solid', 'Range Line Style', options = ['Solid', 'Dashed', 'Dotted'], group = 'Opening Range')
rangeWidth = input.int(2, 'Range Line Width', minval = 1, maxval = 4, group = 'Opening Range')

// Midline Settings
showMidline = input.bool(true, 'Show Midline', group = 'Midline')
midColor = input.color(color.green, 'Midline Color', group = 'Midline')
midStyle = input.string('Solid', 'Midline Style', options = ['Solid', 'Dashed', 'Dotted'], group = 'Midline')
midWidth = input.int(2, 'Midline Width', minval = 1, maxval = 4, group = 'Midline')

// Extension 1 Settings
showExt1 = input.bool(true, 'Show Extension 1', group = 'Extension 1')
ext1Mult = input.float(1.0, 'Extension 1 Multiplier', minval = 0.1, step = 0.1, group = 'Extension 1')
ext1Color = input.color(color.green, 'Extension 1 Color', group = 'Extension 1')
ext1Style = input.string('Solid', 'Extension 1 Style', options = ['Solid', 'Dashed', 'Dotted'], group = 'Extension 1')
ext1Width = input.int(1, 'Extension 1 Width', minval = 1, maxval = 4, group = 'Extension 1')

// Extension 2 Settings
showExt2 = input.bool(false, 'Show Extension 2', group = 'Extension 2')
ext2Mult = input.float(2.0, 'Extension 2 Multiplier', minval = 0.1, step = 0.1, group = 'Extension 2')
ext2Color = input.color(color.blue, 'Extension 2 Color', group = 'Extension 2')
ext2Style = input.string('Dotted', 'Extension 2 Style', options = ['Solid', 'Dashed', 'Dotted'], group = 'Extension 2')
ext2Width = input.int(1, 'Extension 2 Width', minval = 1, maxval = 4, group = 'Extension 2')

// ==================== FUNCTIONS ====================

getLineStyle(style) =>
    switch style
        'Solid' => line.style_solid
        'Dashed' => line.style_dashed
        'Dotted' => line.style_dotted

// ==================== TIME CALCULATIONS ====================

rth_start = timestamp('America/New_York', year, month, dayofmonth, 9, 30)
rth_end = timestamp('America/New_York', year, month, dayofmonth, 9, 30 + orDuration)
rth_close = timestamp('America/New_York', year, month, dayofmonth, 16, 0)

// ==================== VARIABLES ====================

var float orHigh = na
var float orLow = na
var bool rangeDrawn = false

// ==================== LOGIC ====================

newDay = ta.change(time('D'))
if bool(newDay)
    orHigh := na
    orLow := na
    rangeDrawn := false

inOpeningRange = time >= rth_start and time < rth_end
if inOpeningRange
    orHigh := na(orHigh) ? high : math.max(orHigh, high)
    orLow := na(orLow) ? low : math.min(orLow, low)

if not inOpeningRange and not rangeDrawn and not na(orHigh) and not na(orLow)
    orRange = orHigh - orLow
    mid = (orHigh + orLow) / 2
    ext1High = orHigh + ext1Mult * orRange
    ext1Low = orLow - ext1Mult * orRange
    ext2High = orHigh + ext2Mult * orRange
    ext2Low = orLow - ext2Mult * orRange

    // Draw shaded range box (backpainted to 9:30)
    box.new(left = rth_start, top = orHigh, right = rth_close, bottom = orLow, xloc = xloc.bar_time, bgcolor = rangeFillColor, border_color = color.new(color.white, 100))

    // Draw range lines (backpainted to 9:30)
    line.new(x1 = rth_start, y1 = orHigh, x2 = rth_close, y2 = orHigh, xloc = xloc.bar_time, color = rangeColor, style = getLineStyle(rangeStyle), width = rangeWidth)
    line.new(x1 = rth_start, y1 = orLow, x2 = rth_close, y2 = orLow, xloc = xloc.bar_time, color = rangeColor, style = getLineStyle(rangeStyle), width = rangeWidth)

    // Draw midline (backpainted to 9:30)
    if showMidline
        line.new(x1 = rth_start, y1 = mid, x2 = rth_close, y2 = mid, xloc = xloc.bar_time, color = midColor, style = getLineStyle(midStyle), width = midWidth)

    // Draw Extension 1 (backpainted to 9:30)
    if showExt1
        line.new(x1 = rth_start, y1 = ext1High, x2 = rth_close, y2 = ext1High, xloc = xloc.bar_time, color = ext1Color, style = getLineStyle(ext1Style), width = ext1Width)
        line.new(x1 = rth_start, y1 = ext1Low, x2 = rth_close, y2 = ext1Low, xloc = xloc.bar_time, color = ext1Color, style = getLineStyle(ext1Style), width = ext1Width)

    // Draw Extension 2 (backpainted to 9:30)
    if showExt2
        line.new(x1 = rth_start, y1 = ext2High, x2 = rth_close, y2 = ext2High, xloc = xloc.bar_time, color = ext2Color, style = getLineStyle(ext2Style), width = ext2Width)
        line.new(x1 = rth_start, y1 = ext2Low, x2 = rth_close, y2 = ext2Low, xloc = xloc.bar_time, color = ext2Color, style = getLineStyle(ext2Style), width = ext2Width)

    rangeDrawn := true