Chip Distribution Pro

// This source code is subject to the terms of the Mozilla Public License 2.0 at mozilla.org/MPL/2.0/
// Enhanced Position Cost Distribution - Auto-adaptive with improved visualization
// Works with ETFs, commodities, forex, crypto, stocks - any instrument
// version=5
indicator('Chip Distribution Pro', overlay = true, max_lines_count = 500, max_bars_back = 500)

//#region Inputs
string GRP_GENERAL = "General Settings"
int LOOKBACK = input.int(1000, 'Lookback Bars', maxval = 20000, minval = 500, step = 250, group = GRP_GENERAL)
int CHART_X_OFFSET = input.int(100, 'Chart Offset', step = 10, group = GRP_GENERAL)
int LABEL_X_OFFSET = CHART_X_OFFSET + 4
int CHART_MAX_WIDTH = input.int(80, 'Max Width', maxval = 500, minval = 10, step = 10, group = GRP_GENERAL)
int NUM_BUCKETS = input.int(400, 'Price Buckets', maxval = 500, minval = 50, step = 50, group = GRP_GENERAL)

string GRP_AUTO = "Auto-Tuning"
bool AUTO_TUNE = input.bool(true, 'Enable Auto-Tuning', group = GRP_AUTO,
tooltip = 'Automatically adjusts turnover rate based on volatility and volume characteristics')
float MANUAL_DECAY = input.float(0.1, 'Manual Turnover Rate', minval = 0.01, maxval = 0.5, step = 0.01, group = GRP_AUTO,
tooltip = 'Only used when Auto-Tuning is disabled')
int VOLATILITY_PERIOD = input.int(20, 'Volatility Period', minval = 5, maxval = 100, group = GRP_AUTO)

string GRP_VISUAL = "Visualization"
string COLOR_SCHEME = input.string("Rainbow", "Color Scheme", options = ["Rainbow", "Gradient", "Classic", "Heatmap"], group = GRP_VISUAL)
color PROFIT_COLOR_LIGHT = input.color(#26a69a, 'Profit Light', group = GRP_VISUAL)
color PROFIT_COLOR_DARK = input.color(#004d40, 'Profit Dark', group = GRP_VISUAL)
color LOSS_COLOR_LIGHT = input.color(#ef5350, 'Loss Light', group = GRP_VISUAL)
color LOSS_COLOR_DARK = input.color(#b71c1c, 'Loss Dark', group = GRP_VISUAL)
color CURRENT_PRICE_COLOR = input.color(color.yellow, 'Current Price', group = GRP_VISUAL)
color AVG_PRICE_COLOR = input.color(#2196F3, 'Average Cost', group = GRP_VISUAL)
color PEAK_COLOR = input.color(#FF9800, 'Peak Concentration', group = GRP_VISUAL)
color STATS_COLOR = input.color(#434651, 'Stats Background', group = GRP_VISUAL)

string GRP_LEVELS = "Key Levels"
bool SHOW_SUPPORT_RESISTANCE = input.bool(true, 'Show Support/Resistance Zones', group = GRP_LEVELS)
bool SHOW_PEAK = input.bool(true, 'Show Peak Concentration', group = GRP_LEVELS)
float SR_THRESHOLD = input.float(0.7, 'S/R Detection Threshold', minval = 0.3, maxval = 0.95, step = 0.05, group = GRP_LEVELS,
tooltip = 'Minimum concentration (relative to peak) to mark as support/resistance')

string GRP_SIGNALS = "Signals Panel"
bool SHOW_SIGNALS = input.bool(true, 'Show Signal Panel', group = GRP_SIGNALS)
bool SHOW_KEY_LEVELS = input.bool(true, 'Show Key Price Levels', group = GRP_SIGNALS)
bool SHOW_TREND_ARROW = input.bool(true, 'Show Trend Arrow', group = GRP_SIGNALS)
bool SHOW_PRESSURE_BAR = input.bool(true, 'Show Pressure Bar', group = GRP_SIGNALS)

// Colors for key levels
color SUPPORT_COLOR = input.color(#00E676, 'Support Level', group = GRP_LEVELS)
color RESISTANCE_COLOR = input.color(#FF5252, 'Resistance Level', group = GRP_LEVELS)
color BREAKOUT_COLOR = input.color(#FFD600, 'Breakout Level', group = GRP_LEVELS)
//#endregion

//#region Candle Type
type Candle
int idx
float hi
float lo
float vol
float relativeVol
float atrPct
//#endregion

//#region PCD Type
type PCD
array<Candle> candles
float minPrice
float maxPrice
float priceStep
array<line> lines
label currentPriceLabel
label avgPriceLabel
label peakLabel
label statsLabel
label signalLabel
array<box> srZones
float calculatedTurnover
// New visualization elements
line supportLine
line resistanceLine
line avgCostLine
label trendArrow
box pressureBar
box pressureFill
label pressureLabel

// Create a new price label
newPriceLabel(color bg, color txtColor) =>
label.new(0, 0, '', style = label.style_label_left, color = bg, textcolor = txtColor, size = size.small)

// Create a new PCD instance
newPCD() =>
array<line> lns = array.new<line>(NUM_BUCKETS)
for i = 0 to NUM_BUCKETS - 1
array.set(lns, i, line.new(0, 0, 0, 0))
PCD.new(
candles = array.new<Candle>(0),
lines = lns,
currentPriceLabel = newPriceLabel(color.new(#00BCD4, 0), color.white),
avgPriceLabel = newPriceLabel(AVG_PRICE_COLOR, color.white),
peakLabel = newPriceLabel(PEAK_COLOR, color.white),
statsLabel = label.new(0, 0, '', style = label.style_label_up, size = size.small,
textalign = text.align_left, color = color.new(STATS_COLOR, 20), textcolor = color.white),
signalLabel = label.new(0, 0, '', style = label.style_label_left, size = size.small,
textalign = text.align_left, color = color.new(#1a1a2e, 20), textcolor = color.white),
srZones = array.new<box>(0),
calculatedTurnover = 0.1,
minPrice = na,
maxPrice = na,
priceStep = na,
supportLine = line.new(0, 0, 0, 0, color = SUPPORT_COLOR, width = 2, style = line.style_dashed),
resistanceLine = line.new(0, 0, 0, 0, color = RESISTANCE_COLOR, width = 2, style = line.style_dashed),
avgCostLine = line.new(0, 0, 0, 0, color = AVG_PRICE_COLOR, width = 2, style = line.style_dotted),
trendArrow = label.new(0, 0, '', style = label.style_label_center, size = size.large, textcolor = color.white),
pressureBar = box.new(0, 0, 0, 0, bgcolor = color.new(#424242, 50), border_color = color.gray),
pressureFill = box.new(0, 0, 0, 0, bgcolor = color.green, border_color = na),
pressureLabel = label.new(0, 0, '', style = label.style_label_right, size = size.tiny, color = color.new(#000000, 100), textcolor = color.white))

// Auto-calculate turnover rate based on instrument characteristics
calcAdaptiveTurnover(float atrPct, float volRatio) =>
float safeAtrPct = na(atrPct) or atrPct <= 0 ? 0.02 : atrPct
float safeVolRatio = na(volRatio) or volRatio <= 0 ? 1.0 : volRatio
float volBasedTurnover = math.max(0.03, math.min(0.3, safeAtrPct * 3))
float volAdjustment = math.max(0.5, math.min(2.0, safeVolRatio))
float turnover = volBasedTurnover * volAdjustment
math.max(0.02, math.min(0.4, turnover))

// Store candle method
method storeCandle(PCD this, int barIdx, float hiPrice, float loPrice, float volVal, float avgVol, float atrPct) =>
if not na(hiPrice) and not na(loPrice) and not na(volVal) and volVal > 0
float safeAvgVol = na(avgVol) or avgVol <= 0 ? volVal : avgVol
float relVol = volVal / safeAvgVol
float safeAtrPct = na(atrPct) ? 0.02 : atrPct

bool modified = false
int candleSize = array.size(this.candles)
if candleSize > 0
Candle c = array.get(this.candles, candleSize - 1)
if c.idx == barIdx
c.hi := hiPrice
c.lo := loPrice
c.vol := volVal
c.relativeVol := relVol
c.atrPct := safeAtrPct
modified := true

if not modified
Candle c = Candle.new(barIdx, hiPrice, loPrice, volVal, relVol, safeAtrPct)
array.push(this.candles, c)
this.minPrice := na(this.minPrice) ? loPrice : math.min(this.minPrice, loPrice)
this.maxPrice := na(this.maxPrice) ? hiPrice : math.max(this.maxPrice, hiPrice)
float priceRange = this.maxPrice - this.minPrice
this.priceStep := priceRange > 0 ? priceRange / NUM_BUCKETS : 0.0001

// Get bucket index for price
method getBucketIndex(PCD this, float price) =>
if na(this.priceStep) or this.priceStep <= 0 or na(this.minPrice)
0
else
int idx = int(math.floor((price - this.minPrice) / this.priceStep))
math.max(0, math.min(idx, NUM_BUCKETS - 1))

// Get price for bucket index
method getBucketedPrice(PCD this, int bucketIdx) =>
int safeIndex = math.max(0, math.min(bucketIdx, NUM_BUCKETS - 1))
float safeStep = na(this.priceStep) or this.priceStep <= 0 ? 0.0001 : this.priceStep
float safeMin = na(this.minPrice) ? 0.0 : this.minPrice
(safeIndex + 0.5) * safeStep + safeMin

// Get rainbow color based on position (0.0 = bottom/red, 1.0 = top/violet)
getRainbowColor(float position, float intensityRatio) =>
float pos = math.max(0.0, math.min(1.0, position))
int transparency = int(math.round((1.0 - intensityRatio) * 50))
// Rainbow spectrum: red -> orange -> yellow -> green -> cyan -> blue -> violet
if pos < 0.166
color.new(color.from_gradient(pos, 0.0, 0.166, #FF0000, #FF7F00), transparency)
else if pos < 0.333
color.new(color.from_gradient(pos, 0.166, 0.333, #FF7F00, #FFFF00), transparency)
else if pos < 0.5
color.new(color.from_gradient(pos, 0.333, 0.5, #FFFF00, #00FF00), transparency)
else if pos < 0.666
color.new(color.from_gradient(pos, 0.5, 0.666, #00FF00, #00FFFF), transparency)
else if pos < 0.833
color.new(color.from_gradient(pos, 0.666, 0.833, #00FFFF, #0000FF), transparency)
else
color.new(color.from_gradient(pos, 0.833, 1.0, #0000FF, #8B00FF), transparency)

// Get color based on scheme and intensity
getColor(bool isProfitable, float intensity, float maxIntensity, int bucketIdx) =>
float safeMax = maxIntensity > 0 ? maxIntensity : 1.0
float ratio = math.max(0.0, math.min(1.0, intensity / safeMax))
float positionRatio = bucketIdx / math.max(1.0, NUM_BUCKETS - 1.0)

if COLOR_SCHEME == "Rainbow"
getRainbowColor(positionRatio, ratio)
else if COLOR_SCHEME == "Gradient"
if isProfitable
color.from_gradient(ratio, 0.0, 1.0, PROFIT_COLOR_DARK, PROFIT_COLOR_LIGHT)
else
color.from_gradient(ratio, 0.0, 1.0, LOSS_COLOR_DARK, LOSS_COLOR_LIGHT)
else if COLOR_SCHEME == "Heatmap"
color.from_gradient(ratio, 0.0, 1.0, #1a237e, #f44336)
else
if isProfitable
color.new(#5d606b, int(math.round((1.0 - ratio) * 70)))
else
color.new(#e91e63, int(math.round((1.0 - ratio) * 70)))

// Update method
method update(PCD this) =>
int candleCount = array.size(this.candles)
if candleCount > 0 and not na(this.priceStep) and this.priceStep > 0
// Create distribution array
array<float> dist = array.new_float(NUM_BUCKETS, 0.0)

// Process each candle
for candleIdx = 0 to candleCount - 1
Candle candle = array.get(this.candles, candleIdx)
bool isFirstCandle = candleIdx == 0

float turnover = AUTO_TUNE ? calcAdaptiveTurnover(candle.atrPct, candle.relativeVol) : MANUAL_DECAY * candle.relativeVol
turnover := math.min(turnover, 0.95)
this.calculatedTurnover := turnover

int startIdx = this.getBucketIndex(candle.lo)
int endIdx = this.getBucketIndex(candle.hi)
int buckets = math.max(1, endIdx - startIdx + 1)

if isFirstCandle
float initialWeight = 1.0 / buckets
for i = startIdx to endIdx
array.set(dist, i, initialWeight)
else
float decayedAmount = 0.0
for i = 0 to NUM_BUCKETS - 1
float oldVal = array.get(dist, i)
float newVal = oldVal * (1.0 - turnover)
array.set(dist, i, newVal)
decayedAmount += oldVal - newVal

float addPerBucket = decayedAmount / buckets
for i = startIdx to endIdx
array.set(dist, i, array.get(dist, i) + addPerBucket)

// Normalize distribution
float totalWeight = 0.0
for i = 0 to NUM_BUCKETS - 1
totalWeight += array.get(dist, i)

if totalWeight > 0
for i = 0 to NUM_BUCKETS - 1
array.set(dist, i, array.get(dist, i) / totalWeight)

// Find peak
float maxWeight = array.max(dist)
if na(maxWeight) or maxWeight <= 0
maxWeight := 0.001

int peakIndex = array.indexof(dist, maxWeight)
if peakIndex < 0
peakIndex := 0
float peakPrice = this.getBucketedPrice(peakIndex)

// Find support/resistance zones
array<int> srIndices = array.new<int>(0)
if SHOW_SUPPORT_RESISTANCE
bool inZone = false
int zoneStart = 0
for i = 0 to NUM_BUCKETS - 1
bool isHighConcentration = array.get(dist, i) >= maxWeight * SR_THRESHOLD
if isHighConcentration and not inZone
inZone := true
zoneStart := i
else if not isHighConcentration and inZone
inZone := false
array.push(srIndices, int(math.floor((zoneStart + i) / 2)))
if inZone
array.push(srIndices, int(math.floor((zoneStart + NUM_BUCKETS - 1) / 2)))

// Clear old SR zones
int srZoneSize = array.size(this.srZones)
if srZoneSize > 0
for i = 0 to srZoneSize - 1
box b = array.get(this.srZones, i)
box.set_lefttop(b, 0, 0)
box.set_rightbottom(b, 0, 0)

// Draw the distribution
float lowestDisplayedPrice = na
float highestDisplayedPrice = na

for i = 0 to NUM_BUCKETS - 1
float weight = array.get(dist, i)
float price = (i + 0.5) * this.priceStep + this.minPrice
int width = int(math.round(weight / maxWeight * CHART_MAX_WIDTH))
line ln = array.get(this.lines, i)
if width > 0
if na(lowestDisplayedPrice)
lowestDisplayedPrice := price
highestDisplayedPrice := price
int x1 = bar_index + CHART_X_OFFSET
int x2 = x1 - width
bool isProfitable = price < close
color c = getColor(isProfitable, weight, maxWeight, i)
line.set_xy1(ln, x1, price)
line.set_xy2(ln, x2, price)
line.set_color(ln, c)
else
line.set_xy1(ln, 0, 0)
line.set_xy2(ln, 0, 0)

// Draw S/R zones
if SHOW_SUPPORT_RESISTANCE
int srCount = array.size(srIndices)
int leftBar = math.max(0, bar_index - LOOKBACK)
if srCount > 0
for i = 0 to srCount - 1
int idx = array.get(srIndices, i)
float zonePrice = this.getBucketedPrice(idx)
float zoneHalfHeight = this.priceStep * 3
box b = na
if i < array.size(this.srZones)
b := array.get(this.srZones, i)
box.set_lefttop(b, leftBar, zonePrice + zoneHalfHeight)
box.set_rightbottom(b, bar_index, zonePrice - zoneHalfHeight)
else
b := box.new(leftBar, zonePrice + zoneHalfHeight, bar_index, zonePrice - zoneHalfHeight, bgcolor = color.new(PEAK_COLOR, 85), border_color = color.new(PEAK_COLOR, 60))
array.push(this.srZones, b)

// Calculate cumulative distribution
array<float> cumdist = array.copy(dist)
for i = 1 to NUM_BUCKETS - 1
array.set(cumdist, i, array.get(cumdist, i - 1) + array.get(cumdist, i))

// Highlight current price
int closeIndex = this.getBucketIndex(close)
if closeIndex >= 0 and closeIndex < NUM_BUCKETS
line.set_color(array.get(this.lines, closeIndex), CURRENT_PRICE_COLOR)

// Calculate stats
float totalShares = array.get(cumdist, NUM_BUCKETS - 1)
int profitIndex = math.min(closeIndex + 1, NUM_BUCKETS - 1)
float profitRatio = totalShares > 0 ? array.get(cumdist, profitIndex) / totalShares : 0.0

// Calculate average price
float avg = 0.0
for i = 0 to NUM_BUCKETS - 1
float weight = array.get(dist, i)
float price = this.getBucketedPrice(i)
avg += price * weight

int avgIndex = this.getBucketIndex(avg)
if avgIndex >= 0 and avgIndex < NUM_BUCKETS
line.set_color(array.get(this.lines, avgIndex), AVG_PRICE_COLOR)

// Peak concentration - highlight line
if SHOW_PEAK and peakIndex >= 0 and peakIndex < NUM_BUCKETS
line.set_color(array.get(this.lines, peakIndex), PEAK_COLOR)

// Smart label positioning - avoid overlaps
float priceRange = na(highestDisplayedPrice) or na(lowestDisplayedPrice) ? close * 0.01 : (highestDisplayedPrice - lowestDisplayedPrice)
float minLabelSpacing = priceRange * 0.025

// Sort prices and assign staggered X offsets
float currentY = close
float avgY = avg
float peakY = peakPrice

// Adjust avg label if too close to current
if math.abs(avgY - currentY) < minLabelSpacing
avgY := currentY > avgY ? avgY - minLabelSpacing : avgY + minLabelSpacing

// Adjust peak label if too close to current or avg
if SHOW_PEAK
if math.abs(peakY - currentY) < minLabelSpacing
peakY := currentY > peakY ? peakY - minLabelSpacing : peakY + minLabelSpacing
if math.abs(peakY - avgY) < minLabelSpacing
peakY := avgY > peakY ? peakY - minLabelSpacing : peakY + minLabelSpacing

// Position price labels - compact format, right side of distribution
label.set_text(this.currentPriceLabel, str.format('{0,number,#.##}', close))
label.set_xy(this.currentPriceLabel, bar_index + LABEL_X_OFFSET + 2, close)
label.set_style(this.currentPriceLabel, label.style_label_left)
label.set_size(this.currentPriceLabel, size.tiny)

label.set_text(this.avgPriceLabel, str.format('{0,number,#.##} AVG', avg))
label.set_xy(this.avgPriceLabel, bar_index + LABEL_X_OFFSET + 2, avgY)
label.set_style(this.avgPriceLabel, label.style_label_left)
label.set_size(this.avgPriceLabel, size.tiny)

if SHOW_PEAK
label.set_text(this.peakLabel, str.format('{0,number,#.##} PEAK', peakPrice))
label.set_xy(this.peakLabel, bar_index + LABEL_X_OFFSET + 2, peakY)
label.set_style(this.peakLabel, label.style_label_left)
label.set_size(this.peakLabel, size.tiny)

// Calculate ranges safely
float safeTotalShares = totalShares > 0 ? totalShares : 1.0
int idx05 = array.binary_search_leftmost(cumdist, safeTotalShares * 0.05)
int idx95 = array.binary_search_leftmost(cumdist, safeTotalShares * 0.95)
int idx15 = array.binary_search_leftmost(cumdist, safeTotalShares * 0.15)
int idx85 = array.binary_search_leftmost(cumdist, safeTotalShares * 0.85)

float ninetyPctLow = this.getBucketedPrice(idx05)
float ninetyPctHigh = this.getBucketedPrice(idx95)
float seventyPctLow = this.getBucketedPrice(idx15)
float seventyPctHigh = this.getBucketedPrice(idx85)
float rangeDenom = ninetyPctHigh - ninetyPctLow
float rangeOverlap = rangeDenom != 0 ? (seventyPctHigh - seventyPctLow) / rangeDenom : 0.0

// Calculate chip concentration
float concentration = rangeOverlap * 100
string concentrationDesc = concentration < 50 ? "High" : concentration < 70 ? "Medium" : "Dispersed"

// Pressure analysis
float safeAvg = avg > 0 ? avg : close
float priceVsAvg = ((close - safeAvg) / safeAvg) * 100
string pressure = priceVsAvg > 5 ? "Strong Bullish" : priceVsAvg > 1 ? "Bullish" :
priceVsAvg < -5 ? "Strong Bearish" : priceVsAvg < -1 ? "Bearish" : "Neutral"

// Price vs Peak
float safePeak = peakPrice > 0 ? peakPrice : close
float priceVsPeak = ((close - safePeak) / safePeak) * 100
string peakRelation = close > peakPrice ? "Above Peak" : close < peakPrice ? "Below Peak" : "At Peak"

// Stats panel - positioned at bottom, compact
float displayedRange = na(highestDisplayedPrice) or na(lowestDisplayedPrice) ? close * 0.02 : highestDisplayedPrice - lowestDisplayedPrice

label.set_text(this.statsLabel, str.format(
'90%: {0,number,#.##} - {1,number,#.##} | 70%: {2,number,#.##} - {3,number,#.##}',
ninetyPctLow, ninetyPctHigh, seventyPctLow, seventyPctHigh))

if not na(lowestDisplayedPrice) and displayedRange > 0
label.set_y(this.statsLabel, lowestDisplayedPrice - displayedRange * 0.05)
label.set_style(this.statsLabel, label.style_label_up)
label.set_x(this.statsLabel, bar_index + CHART_X_OFFSET - 30)
label.set_size(this.statsLabel, size.tiny)

// Signal panel - hidden (info moved to trend arrow and pressure bar)
label.set_text(this.signalLabel, "")
label.set_xy(this.signalLabel, bar_index, close)

// === NEW PROFESSIONAL VISUALIZATIONS ===

// 1. Key Level Lines - Support, Resistance, and Average Cost extending across chart
if SHOW_KEY_LEVELS
int chartLeft = math.max(0, bar_index - LOOKBACK)
int chartRight = bar_index + CHART_X_OFFSET - 5

// Average cost line (horizontal dotted blue line)
line.set_xy1(this.avgCostLine, chartLeft, avg)
line.set_xy2(this.avgCostLine, chartRight, avg)
line.set_color(this.avgCostLine, AVG_PRICE_COLOR)

// Find strongest support (highest concentration below current price)
float strongestSupport = na
float strongestSupportWeight = 0.0
float strongestResistance = na
float strongestResistanceWeight = 0.0

for i = 0 to NUM_BUCKETS - 1
float bucketPrice = this.getBucketedPrice(i)
float bucketWeight = array.get(dist, i)
if bucketPrice < close and bucketWeight > strongestSupportWeight
strongestSupport := bucketPrice
strongestSupportWeight := bucketWeight
if bucketPrice > close and bucketWeight > strongestResistanceWeight
strongestResistance := bucketPrice
strongestResistanceWeight := bucketWeight

// Support line (green dashed)
if not na(strongestSupport)
line.set_xy1(this.supportLine, chartLeft, strongestSupport)
line.set_xy2(this.supportLine, chartRight, strongestSupport)
line.set_color(this.supportLine, SUPPORT_COLOR)
else
line.set_xy1(this.supportLine, bar_index, close)
line.set_xy2(this.supportLine, bar_index, close)
line.set_color(this.supportLine, color.new(SUPPORT_COLOR, 100))

// Resistance line (red dashed)
if not na(strongestResistance)
line.set_xy1(this.resistanceLine, chartLeft, strongestResistance)
line.set_xy2(this.resistanceLine, chartRight, strongestResistance)
line.set_color(this.resistanceLine, RESISTANCE_COLOR)
else
line.set_xy1(this.resistanceLine, bar_index, close)
line.set_xy2(this.resistanceLine, bar_index, close)
line.set_color(this.resistanceLine, color.new(RESISTANCE_COLOR, 100))

// 2. Trend Direction Arrow
if SHOW_TREND_ARROW
string trendSymbol = priceVsAvg > 5 ? "▲▲" : priceVsAvg > 1 ? "▲" :
priceVsAvg < -5 ? "▼▼" : priceVsAvg < -1 ? "▼" : "◆"
color trendColor = priceVsAvg > 5 ? color.new(#00E676, 0) : priceVsAvg > 1 ? color.new(#4CAF50, 0) :
priceVsAvg < -5 ? color.new(#FF1744, 0) : priceVsAvg < -1 ? color.new(#EF5350, 0) : color.new(#9E9E9E, 0)
string trendText = trendSymbol + "\n" + pressure
label.set_text(this.trendArrow, trendText)
float arrowY = na(highestDisplayedPrice) ? close : highestDisplayedPrice + displayedRange * 0.12
label.set_xy(this.trendArrow, bar_index + CHART_X_OFFSET - 40, arrowY)
label.set_color(this.trendArrow, color.new(trendColor, 70))
label.set_textcolor(this.trendArrow, trendColor)
label.set_size(this.trendArrow, size.large)

// 3. Pressure Bar (Profit/Loss ratio visualization)
if SHOW_PRESSURE_BAR
float barWidth = 8.0
float barHeight = displayedRange * 0.25
float barX = bar_index + CHART_X_OFFSET + 5
float barTop = na(highestDisplayedPrice) ? close + barHeight/2 : highestDisplayedPrice - displayedRange * 0.02
float barBottom = barTop - barHeight

// Background bar
box.set_lefttop(this.pressureBar, int(barX), barTop)
box.set_rightbottom(this.pressureBar, int(barX + barWidth), barBottom)
box.set_bgcolor(this.pressureBar, color.new(#424242, 60))

// Fill based on profit ratio (green from bottom)
float fillHeight = barHeight * profitRatio
float fillTop = barBottom + fillHeight
color fillColor = profitRatio > 0.7 ? color.new(#00E676, 30) :
profitRatio > 0.5 ? color.new(#4CAF50, 30) :
profitRatio > 0.3 ? color.new(#FFC107, 30) : color.new(#FF5252, 30)
box.set_lefttop(this.pressureFill, int(barX), fillTop)
box.set_rightbottom(this.pressureFill, int(barX + barWidth), barBottom)
box.set_bgcolor(this.pressureFill, fillColor)

// Pressure label
string pressureText = str.format('{0,number,#}%', profitRatio * 100)
label.set_text(this.pressureLabel, pressureText)
label.set_xy(this.pressureLabel, int(barX - 1), barTop + displayedRange * 0.01)
label.set_textcolor(this.pressureLabel, fillColor)
//#endregion

//#region Main
[dailyBarIdx, dailyHigh, dailyLow, dailyVolume, dailyClose, dailyATR, avgVolume] = request.security(syminfo.tickerid, 'D', [bar_index, high, low, volume, close, ta.atr(VOLATILITY_PERIOD), ta.sma(volume, 60)], lookahead = barmerge.lookahead_off)
float atrPercent = dailyClose > 0 ? dailyATR / dailyClose : 0.02

if timeframe.in_seconds(timeframe.period) <= timeframe.in_seconds('D')
var PCD pcd = newPCD()
if last_bar_index - bar_index < LOOKBACK
pcd.storeCandle(dailyBarIdx, dailyHigh, dailyLow, dailyVolume, avgVolume, atrPercent)
if barstate.islast
pcd.update()
//#endregion