Market Structure & Daily Bias SD Pro v2

// This Pine Script™ code is subject to the terms of the Mozilla Public License 2.0
// https://mozilla.org/MPL/2.0/

//@version=6
indicator("Market Structure & Daily Bias [SD Pro v2]", overlay=true, max_lines_count=500, max_boxes_count=500, max_labels_count=500)

// ═══════════════════════════════════════════
//  INPUTS
// ═══════════════════════════════════════════

grpStruct = "══ Market Structure ══"
swingLen      = input.int(8, "Swing detection length", minval=2, maxval=20, group=grpStruct, tooltip="Bars to confirm swing. D1: 8-10, H4: 5-8, H1/M15: 3-5. Higher = cleaner, fewer labels.")
showBOS       = input.bool(true, "Show BOS labels", group=grpStruct)
showCHoCH     = input.bool(true, "Show CHoCH labels", group=grpStruct)
bosColor      = input.color(color.new(#7F77DD, 0), "BOS color", group=grpStruct)
chochColor    = input.color(color.new(#EF9F27, 0), "CHoCH color", group=grpStruct)

grpZones = "══ Supply & Demand Zones ══"
showZones     = input.bool(true, "Show S/D zones", group=grpZones)
zoneLookback  = input.int(50, "Zone lookback bars", minval=10, maxval=200, group=grpZones)
zoneATRMult   = input.float(0.8, "Zone impulse ATR multiplier", minval=0.3, maxval=3.0, step=0.1, group=grpZones, tooltip="How strong a candle must be to form a zone. Lower = more zones. D1: 0.6-1.0, H4: 0.8-1.2, M15: 1.0-1.5")
zoneBaseATR   = input.float(0.4, "Zone base ATR threshold", minval=0.1, maxval=1.0, step=0.1, group=grpZones, tooltip="Max body size of the base candle relative to ATR. Higher = allows bigger bases.")
supplyColor   = input.color(color.new(#E24B4A, 80), "Supply zone color", group=grpZones)
demandColor   = input.color(color.new(#1D9E75, 80), "Demand zone color", group=grpZones)
maxZones      = input.int(5, "Max zones to display", minval=1, maxval=10, group=grpZones)

grpFVG = "══ Fair Value Gaps ══"
showFVG       = input.bool(true, "Show FVG", group=grpFVG)
fvgBullColor  = input.color(color.new(#1D9E75, 85), "Bullish FVG color", group=grpFVG)
fvgBearColor  = input.color(color.new(#E24B4A, 85), "Bearish FVG color", group=grpFVG)
fvgMitigation = input.bool(true, "Remove mitigated FVGs", group=grpFVG, tooltip="Delete FVG boxes when price fills them.")

grpBias = "══ Daily Bias Panel ══"
showPanel     = input.bool(true, "Show bias panel", group=grpBias)
panelPos      = input.string("Top Right", "Panel position", options=["Top Right", "Top Left", "Bottom Right", "Bottom Left"], group=grpBias)
panelSize     = input.string("Small", "Panel size", options=["Tiny", "Small", "Normal", "Large"], group=grpBias, tooltip="Dashboard text and cell size.")
htfTF         = input.timeframe("D", "HTF for bias", group=grpBias)

grpSession = "══ Session Lines ══"
showSessions  = input.bool(true, "Show session levels", group=grpSession)
showPrevDayHL = input.bool(true, "Previous day high/low (auto-off on D1+)", group=grpSession, tooltip="Automatically disabled on Daily and higher timeframes where PDH/PDL creates clutter.")

// ═══════════════════════════════════════════
//  PANEL SIZE HELPER
// ═══════════════════════════════════════════

panelSizeTitle = switch panelSize
    "Tiny"   => size.tiny
    "Small"  => size.small
    "Normal" => size.normal
    "Large"  => size.large
    => size.small

panelSizeBody = switch panelSize
    "Tiny"   => size.tiny
    "Small"  => size.tiny
    "Normal" => size.small
    "Large"  => size.normal
    => size.tiny

// ═══════════════════════════════════════════
//  SWING DETECTION
// ═══════════════════════════════════════════

var float swingHighPrice = na
var int   swingHighBar   = na
var float swingLowPrice  = na
var int   swingLowBar    = na

var float prevSwingHigh  = na
var int   prevSwingHighBar = na
var float prevSwingLow   = na
var int   prevSwingLowBar  = na

ph = ta.pivothigh(high, swingLen, swingLen)
pl = ta.pivotlow(low, swingLen, swingLen)

if not na(ph)
    prevSwingHigh    := swingHighPrice
    prevSwingHighBar := swingHighBar
    swingHighPrice   := ph
    swingHighBar     := bar_index - swingLen

if not na(pl)
    prevSwingLow    := swingLowPrice
    prevSwingLowBar := swingLowBar
    swingLowPrice   := pl
    swingLowBar     := bar_index - swingLen

// ═══════════════════════════════════════════
//  MARKET STRUCTURE (BOS / CHoCH) — FIXED
// ═══════════════════════════════════════════

var int   trend        = 0
var float lastBullHigh = na
var float lastBullLow  = na
var float lastBearHigh = na
var float lastBearLow  = na

var float brokenBullLevel = na
var float brokenBearLevel = na

var int   structureShift = 0

structureShift := 0

if trend == 1 and not na(swingHighPrice) and close > swingHighPrice
    if (close > lastBullHigh or na(lastBullHigh)) and swingHighPrice != brokenBullLevel
        structureShift  := 1
        lastBullHigh    := swingHighPrice
        lastBullLow     := swingLowPrice
        brokenBullLevel := swingHighPrice

if trend == -1 and not na(swingLowPrice) and close < swingLowPrice
    if (close < lastBearLow or na(lastBearLow)) and swingLowPrice != brokenBearLevel
        structureShift  := -1
        lastBearLow     := swingLowPrice
        lastBearHigh    := swingHighPrice
        brokenBearLevel := swingLowPrice

if trend == -1 and not na(lastBearHigh) and close > lastBearHigh
    structureShift  := 2
    trend           := 1
    lastBullHigh    := lastBearHigh
    lastBullLow     := lastBearLow
    lastBearHigh    := na
    lastBearLow     := na
    brokenBullLevel := lastBullHigh
    brokenBearLevel := na

if trend == 1 and not na(lastBullLow) and close < lastBullLow
    structureShift  := -2
    trend           := -1
    lastBearHigh    := lastBullHigh
    lastBearLow     := lastBullLow
    lastBullHigh    := na
    lastBullLow     := na
    brokenBearLevel := lastBearLow
    brokenBullLevel := na

if trend == 0
    if not na(swingHighPrice) and not na(prevSwingHigh)
        if swingHighPrice > prevSwingHigh and swingLowPrice > prevSwingLow
            trend        := 1
            lastBullHigh := swingHighPrice
            lastBullLow  := swingLowPrice
        else if swingHighPrice < prevSwingHigh and swingLowPrice < prevSwingLow
            trend        := -1
            lastBearHigh := swingHighPrice
            lastBearLow  := swingLowPrice

if structureShift == 1 and showBOS
    label.new(bar_index, high, "BOS", color=color.new(color.white, 100), textcolor=bosColor, style=label.style_label_down, size=size.tiny)
    line.new(bar_index - 5, swingHighPrice, bar_index, swingHighPrice, color=bosColor, style=line.style_dashed, width=1)

if structureShift == -1 and showBOS
    label.new(bar_index, low, "BOS", color=color.new(color.white, 100), textcolor=bosColor, style=label.style_label_up, size=size.tiny)
    line.new(bar_index - 5, swingLowPrice, bar_index, swingLowPrice, color=bosColor, style=line.style_dashed, width=1)

if structureShift == 2 and showCHoCH
    label.new(bar_index, high, "CHoCH", color=color.new(color.white, 100), textcolor=chochColor, style=label.style_label_down, size=size.tiny)
    line.new(bar_index - 5, lastBullHigh, bar_index, lastBullHigh, color=chochColor, style=line.style_dashed, width=2)

if structureShift == -2 and showCHoCH
    label.new(bar_index, low, "CHoCH", color=color.new(color.white, 100), textcolor=chochColor, style=label.style_label_up, size=size.tiny)
    line.new(bar_index - 5, lastBearLow, bar_index, lastBearLow, color=chochColor, style=line.style_dashed, width=2)

// ═══════════════════════════════════════════
//  SUPPLY & DEMAND ZONES
// ═══════════════════════════════════════════

var array<box> supplyBoxes = array.new<box>()
var array<box> demandBoxes = array.new<box>()

bullImpulse = close > open and (close - open) > zoneATRMult * ta.atr(14) and close > high[1]
bearBase    = close[1] < open[1] or (math.abs(close[1] - open[1]) < zoneBaseATR * ta.atr(14))

if showZones and bullImpulse and bearBase
    zoneTop    = math.max(open[1], close[1])
    zoneBottom = low[1]
    if zoneTop > zoneBottom
        newBox = box.new(bar_index - 1, zoneTop, bar_index + 50, zoneBottom, border_color=color.new(#1D9E75, 60), bgcolor=demandColor, border_width=1)
        array.push(demandBoxes, newBox)
        if array.size(demandBoxes) > maxZones
            oldBox = array.shift(demandBoxes)
            box.delete(oldBox)

bearImpulse = close < open and (open - close) > zoneATRMult * ta.atr(14) and close < low[1]
bullBase    = close[1] > open[1] or (math.abs(close[1] - open[1]) < zoneBaseATR * ta.atr(14))

if showZones and bearImpulse and bullBase
    zoneTop    = high[1]
    zoneBottom = math.min(open[1], close[1])
    if zoneTop > zoneBottom
        newBox = box.new(bar_index - 1, zoneTop, bar_index + 50, zoneBottom, border_color=color.new(#E24B4A, 60), bgcolor=supplyColor, border_width=1)
        array.push(supplyBoxes, newBox)
        if array.size(supplyBoxes) > maxZones
            oldBox = array.shift(supplyBoxes)
            box.delete(oldBox)

if array.size(demandBoxes) > 0
    for i = array.size(demandBoxes) - 1 to 0
        b = array.get(demandBoxes, i)
        zTop = box.get_top(b)
        zBot = box.get_bottom(b)
        if close < zBot
            box.delete(b)
            array.remove(demandBoxes, i)
        else
            box.set_right(b, bar_index + 20)

if array.size(supplyBoxes) > 0
    for i = array.size(supplyBoxes) - 1 to 0
        b = array.get(supplyBoxes, i)
        zTop = box.get_top(b)
        zBot = box.get_bottom(b)
        if close > zTop
            box.delete(b)
            array.remove(supplyBoxes, i)
        else
            box.set_right(b, bar_index + 20)

// ═══════════════════════════════════════════
//  FAIR VALUE GAPS (FVG)
// ═══════════════════════════════════════════

var array<box> fvgBullBoxes = array.new<box>()
var array<box> fvgBearBoxes = array.new<box>()

bullFVG = low > high[2] and close[1] > open[1]
bearFVG = high < low[2] and close[1] < open[1]

if showFVG and bullFVG
    newFVG = box.new(bar_index - 1, low, bar_index + 10, high[2], border_color=color.new(#1D9E75, 70), bgcolor=fvgBullColor, border_width=0)
    array.push(fvgBullBoxes, newFVG)

if showFVG and bearFVG
    newFVG = box.new(bar_index - 1, low[2], bar_index + 10, high, border_color=color.new(#E24B4A, 70), bgcolor=fvgBearColor, border_width=0)
    array.push(fvgBearBoxes, newFVG)

if fvgMitigation
    if array.size(fvgBullBoxes) > 0
        for i = array.size(fvgBullBoxes) - 1 to 0
            b = array.get(fvgBullBoxes, i)
            if close < box.get_bottom(b)
                box.delete(b)
                array.remove(fvgBullBoxes, i)
            else
                box.set_right(b, bar_index + 5)

    if array.size(fvgBearBoxes) > 0
        for i = array.size(fvgBearBoxes) - 1 to 0
            b = array.get(fvgBearBoxes, i)
            if close > box.get_top(b)
                box.delete(b)
                array.remove(fvgBearBoxes, i)
            else
                box.set_right(b, bar_index + 5)

// ═══════════════════════════════════════════
//  HTF BIAS CALCULATION
// ═══════════════════════════════════════════

htfHigh  = request.security(syminfo.tickerid, htfTF, high, lookahead=barmerge.lookahead_off)
htfLow   = request.security(syminfo.tickerid, htfTF, low, lookahead=barmerge.lookahead_off)
htfClose = request.security(syminfo.tickerid, htfTF, close, lookahead=barmerge.lookahead_off)
htfOpen  = request.security(syminfo.tickerid, htfTF, open, lookahead=barmerge.lookahead_off)

htfHigh1  = request.security(syminfo.tickerid, htfTF, high[1], lookahead=barmerge.lookahead_off)
htfLow1   = request.security(syminfo.tickerid, htfTF, low[1], lookahead=barmerge.lookahead_off)
htfClose1 = request.security(syminfo.tickerid, htfTF, close[1], lookahead=barmerge.lookahead_off)
htfHigh2  = request.security(syminfo.tickerid, htfTF, high[2], lookahead=barmerge.lookahead_off)
htfLow2   = request.security(syminfo.tickerid, htfTF, low[2], lookahead=barmerge.lookahead_off)
htfClose2 = request.security(syminfo.tickerid, htfTF, close[2], lookahead=barmerge.lookahead_off)

htfHigh3  = request.security(syminfo.tickerid, htfTF, high[3], lookahead=barmerge.lookahead_off)
htfLow3   = request.security(syminfo.tickerid, htfTF, low[3], lookahead=barmerge.lookahead_off)
htfHigh4  = request.security(syminfo.tickerid, htfTF, high[4], lookahead=barmerge.lookahead_off)
htfLow4   = request.security(syminfo.tickerid, htfTF, low[4], lookahead=barmerge.lookahead_off)

htf5High = math.max(htfHigh1, math.max(htfHigh2, math.max(htfHigh3, htfHigh4)))
htf5Low  = math.min(htfLow1, math.min(htfLow2, math.min(htfLow3, htfLow4)))

htfHH_1 = htfHigh1 > htfHigh2
htfHL_1 = htfLow1 > htfLow2
htfHH_2 = htfHigh2 > htfHigh3
htfHL_2 = htfLow2 > htfLow3

htfLH_1 = htfHigh1 < htfHigh2
htfLL_1 = htfLow1 < htfLow2
htfLH_2 = htfHigh2 < htfHigh3
htfLL_2 = htfLow2 < htfLow3

htfBullish = (htfHH_1 and htfHL_1) or (htfHH_2 and htfHL_2)
htfBearish = (htfLH_1 and htfLL_1) or (htfLH_2 and htfLL_2)

if htfBullish and htfBearish
    htfBullish := false
    htfBearish := false

currentBull = trend == 1
currentBear = trend == -1

var string dailyBias = "Neutral"
if htfBullish and currentBull
    dailyBias := "Strong Bullish"
else if htfBullish and currentBear
    dailyBias := "Bullish (conflict)"
else if htfBearish and currentBear
    dailyBias := "Strong Bearish"
else if htfBearish and currentBull
    dailyBias := "Bearish (conflict)"
else if htfBullish
    dailyBias := "Bullish"
else if htfBearish
    dailyBias := "Bearish"
else
    dailyBias := "Neutral / Ranging"

var string ctfStructure = "Undefined"
if trend == 1
    ctfStructure := "Bullish (HH/HL)"
else if trend == -1
    ctfStructure := "Bearish (LH/LL)"
else
    ctfStructure := "Undefined"

var string lastEvent    = "None"
var int    lastEventBar = 0

if structureShift == 1
    lastEvent    := "Bullish BOS"
    lastEventBar := bar_index
else if structureShift == -1
    lastEvent    := "Bearish BOS"
    lastEventBar := bar_index
else if structureShift == 2
    lastEvent    := "Bullish CHoCH"
    lastEventBar := bar_index
else if structureShift == -2
    lastEvent    := "Bearish CHoCH"
    lastEventBar := bar_index

eventAge       = bar_index - lastEventBar
lastEventDisp  = lastEvent + (eventAge > 100 and lastEvent != "None" ? " (" + str.tostring(eventAge) + " bars ago)" : "")

// ═══════════════════════════════════════════
//  PREVIOUS DAY HIGH / LOW
// ═══════════════════════════════════════════

prevDayHigh = request.security(syminfo.tickerid, "D", high[1], lookahead=barmerge.lookahead_on)
prevDayLow  = request.security(syminfo.tickerid, "D", low[1], lookahead=barmerge.lookahead_on)

isIntraday = timeframe.isintraday

if showSessions and showPrevDayHL and isIntraday
    if ta.change(time("D")) != 0
        line.new(bar_index, prevDayHigh, bar_index + 30, prevDayHigh, color=color.new(#E24B4A, 50), style=line.style_dotted, width=1)
        label.new(bar_index + 30, prevDayHigh, "PDH", color=color.new(color.white, 100), textcolor=color.new(#E24B4A, 30), style=label.style_label_left, size=size.tiny)
        line.new(bar_index, prevDayLow, bar_index + 30, prevDayLow, color=color.new(#1D9E75, 50), style=line.style_dotted, width=1)
        label.new(bar_index + 30, prevDayLow, "PDL", color=color.new(color.white, 100), textcolor=color.new(#1D9E75, 30), style=label.style_label_left, size=size.tiny)

// ═══════════════════════════════════════════
//  BIAS DASHBOARD PANEL
// ═══════════════════════════════════════════

if showPanel and barstate.islast
    biasClr = switch dailyBias
        "Strong Bullish"     => color.new(#1D9E75, 0)
        "Bullish"            => color.new(#1D9E75, 30)
        "Bullish (conflict)" => color.new(#EF9F27, 0)
        "Strong Bearish"     => color.new(#E24B4A, 0)
        "Bearish"            => color.new(#E24B4A, 30)
        "Bearish (conflict)" => color.new(#EF9F27, 0)
        =>                      color.gray

    trendClr = trend == 1 ? color.new(#1D9E75, 0) : trend == -1 ? color.new(#E24B4A, 0) : color.gray

    var table panel = table.new(
         panelPos == "Top Right"    ? position.top_right :
         panelPos == "Top Left"     ? position.top_left :
         panelPos == "Bottom Right" ? position.bottom_right :
         position.bottom_left,
         2, 10,
         bgcolor=color.new(#1a1a2e, 0),
         border_color=color.new(color.gray, 70),
         border_width=1,
         frame_color=color.new(color.gray, 70),
         frame_width=1)

    table.cell(panel, 0, 0, "SD PRO v2 — STRUCTURE & BIAS", text_color=color.white, text_size=panelSizeTitle, text_halign=text.align_left)
    table.merge_cells(panel, 0, 0, 1, 0)

    table.cell(panel, 0, 1, "Timeframe", text_color=color.gray, text_size=panelSizeBody, text_halign=text.align_left)
    table.cell(panel, 1, 1, timeframe.period, text_color=color.white, text_size=panelSizeTitle, text_halign=text.align_right)

    table.cell(panel, 0, 2, "Daily Bias", text_color=color.gray, text_size=panelSizeBody, text_halign=text.align_left)
    table.cell(panel, 1, 2, dailyBias, text_color=biasClr, text_size=panelSizeTitle, text_halign=text.align_right)

    table.cell(panel, 0, 3, "HTF Structure", text_color=color.gray, text_size=panelSizeBody, text_halign=text.align_left)
    htfStr = htfBullish ? "Bullish" : htfBearish ? "Bearish" : "Ranging"
    htfStrClr = htfBullish ? color.new(#1D9E75, 0) : htfBearish ? color.new(#E24B4A, 0) : color.gray
    table.cell(panel, 1, 3, htfStr, text_color=htfStrClr, text_size=panelSizeTitle, text_halign=text.align_right)

    table.cell(panel, 0, 4, "CTF Structure", text_color=color.gray, text_size=panelSizeBody, text_halign=text.align_left)
    table.cell(panel, 1, 4, ctfStructure, text_color=trendClr, text_size=panelSizeTitle, text_halign=text.align_right)

    table.cell(panel, 0, 5, "Last Event", text_color=color.gray, text_size=panelSizeBody, text_halign=text.align_left)
    evtClr = structureShift == 1 or structureShift == 2 ? color.new(#1D9E75, 0) : structureShift == -1 or structureShift == -2 ? color.new(#E24B4A, 0) : color.gray
    table.cell(panel, 1, 5, lastEventDisp, text_color=evtClr, text_size=panelSizeTitle, text_halign=text.align_right)

    table.cell(panel, 0, 6, "Swing High", text_color=color.gray, text_size=panelSizeBody, text_halign=text.align_left)
    table.cell(panel, 1, 6, not na(swingHighPrice) ? str.tostring(swingHighPrice, format.mintick) : "—", text_color=color.new(#E24B4A, 20), text_size=panelSizeTitle, text_halign=text.align_right)

    table.cell(panel, 0, 7, "Swing Low", text_color=color.gray, text_size=panelSizeBody, text_halign=text.align_left)
    table.cell(panel, 1, 7, not na(swingLowPrice) ? str.tostring(swingLowPrice, format.mintick) : "—", text_color=color.new(#1D9E75, 20), text_size=panelSizeTitle, text_halign=text.align_right)

    table.cell(panel, 0, 8, "Active Zones", text_color=color.gray, text_size=panelSizeBody, text_halign=text.align_left)
    zoneCount = str.tostring(array.size(supplyBoxes)) + "S / " + str.tostring(array.size(demandBoxes)) + "D"
    table.cell(panel, 1, 8, zoneCount, text_color=color.white, text_size=panelSizeTitle, text_halign=text.align_right)

    table.cell(panel, 0, 9, "Active FVGs", text_color=color.gray, text_size=panelSizeBody, text_halign=text.align_left)
    fvgCount = str.tostring(array.size(fvgBullBoxes)) + "Bull / " + str.tostring(array.size(fvgBearBoxes)) + "Bear"
    table.cell(panel, 1, 9, fvgCount, text_color=color.white, text_size=panelSizeTitle, text_halign=text.align_right)

// ═══════════════════════════════════════════
//  BACKGROUND COLOR FOR BIAS
// ═══════════════════════════════════════════

bgClr = trend == 1 ? color.new(#1D9E75, 95) : trend == -1 ? color.new(#E24B4A, 95) : na
bgcolor(bgClr, title="Structure bias background")

// ═══════════════════════════════════════════
//  ALERTS
// ═══════════════════════════════════════════

alertcondition(structureShift == 1,  "Bullish BOS",   "Bullish BOS detected")
alertcondition(structureShift == -1, "Bearish BOS",   "Bearish BOS detected")
alertcondition(structureShift == 2,  "Bullish CHoCH", "Bullish CHoCH — potential reversal to upside")
alertcondition(structureShift == -2, "Bearish CHoCH", "Bearish CHoCH — potential reversal to downside")
alertcondition(bullFVG,              "Bullish FVG",   "Bullish Fair Value Gap detected")
alertcondition(bearFVG,              "Bearish FVG",   "Bearish Fair Value Gap detected")