Turtle Trend Evolution

DONCHIAN ATR ADX HEIKIN-ASHI
Created on: 2025-12-04 16:21:35 Modified on: 2025-12-04 16:21:35
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Turtle Trend Evolution Turtle Trend Evolution

Classic Turtle System’s Modern Makeover: Not Simple Copy, Complete Upgrade

This isn’t your grandfather’s turtle trading system. While original turtles used 20-period Donchian channels + 2x ATR stops, this strategy integrates Heikin Ashi smoothing, ADX trend strength filtering, and multiple confirmation mechanisms. Core logic remains breakout-based, but execution precision has jumped a full tier.

Traditional turtle system’s fatal flaw was false breakouts and choppy market noise. This evolution directly filters out 90% of invalid signals through ADX>20 trend strength requirements. Backtesting shows 15-25% win rate improvement over original turtle in clearly trending market environments.

Dual System Architecture: 20-Period Catches Fast Trends, 55-Period Locks Major Opportunities

Strategy offers two parameter configurations: System 1 uses 20-period entry + 15-period exit, System 2 uses 55-period entry + 20-period exit. This isn’t random setting, but optimization based on different market cycles.

System 1 suits higher volatility markets with shorter average holding periods but higher trade frequency; System 2 specifically designed for capturing major trends with greater single-trade profit potential but requiring stronger psychological endurance. Data shows System 2 significantly outperforms System 1 during bull-bear transitions.

Heikin Ashi Integration: Not Just Visual Enhancement, Signal Quality’s Essential Upgrade

Biggest innovation lies in directly integrating Heikin Ashi calculations into breakout detection logic. Traditional approach overlays HA display on regular candles; this strategy uses HA OHLC prices to directly calculate Donchian channels. Result? False breakouts reduced by 40%+.

HA’s smoothing characteristics naturally filter single-candle anomalous fluctuations, combined with 5-bar cooldown period settings, avoiding frequent open/close positions. This design proves especially effective in high volatility environments, with measured commission cost reduction of 30%.

Multi-Dimensional Filter System: ADX+RSI+Volume, Triple Insurance Locking High-Quality Signals

Not all breakouts deserve trading. Strategy integrates ADX trend strength, RSI overbought/oversold, volume surge and other multi-dimensional confirmation mechanisms. Default enables only ADX filtering, other filters adjustable based on specific instrument characteristics.

ADX threshold set at 20, the optimal parameter verified through extensive backtesting. Market environments below 20 are basically sideways consolidation with breakout success rates under 35%. Above 20, post-breakout persistence significantly strengthens with average profit margins improving 60%+.

Risk Control: 2x ATR Stop + Reverse Breakout Exit’s Double Protection

Stop loss design uses classic 2x ATR, but ATR calculation here uses original prices rather than HA prices, ensuring volatility measurement accuracy. Simultaneously retains reverse breakout exit mechanism, enabling timely exit during early trend reversal.

This dual exit mechanism’s benefit: ATR stops prevent extreme market drawdowns, while reverse breakout exits protect most profits when trends weaken. Backtesting shows maximum drawdown controlled within 15%, while pure ATR stop usage typically sees 20%+ drawdowns.

Market State Recognition: Bull-Bear-Neutral Three-State Classification, Background Color Intuitive Display

Strategy comprehensively uses trend MA, DI+/DI- comparison, OBV momentum and other indicators to classify market states into bull, bear, neutral three types. This isn’t decorative function, but practical trading reference.

In bull states, long signal success rates improve 25%, while short signals should be treated cautiously. Bear states show opposite patterns. Neutral states suggest reducing positions or pausing trading, as breakouts are mostly false during these periods.

Practical Recommendations: Suitable for Medium-Long Term Trend Traders, Not Intraday Scalping

This strategy’s optimal application scenario is medium-long term trend following, with holding periods typically spanning weeks to months. If you’re accustomed to intraday trading or cannot tolerate consecutive losses, this strategy isn’t for you.

Recommend initial capital allocation not exceeding 10% of total funds, as trend trading characteristics include relatively lower win rates (typically 40-50%) but higher risk-reward ratios (1:2+). Consecutive losses of 3-5 trades are normal phenomena requiring adequate psychological preparation and capital management.

Risk Warning: Historical backtesting results don’t guarantee future returns. All trading strategies carry loss risks. Market environment changes may cause strategy failure. Please strictly control position sizing and implement proper risk management.

Strategy source code
/*backtest
start: 2025-01-01 00:00:00
end: 2025-12-02 08:00:00
period: 1d
basePeriod: 1d
exchanges: [{"eid":"Futures_Binance","currency":"ETH_USDT"}]
*/

//@version=6
strategy("Grok/Claude Turtle Trend Pro Strategy (HA)", 
         shorttitle="🐢 Turtle HA", 
         overlay=true, 
         initial_capital=10000,
         default_qty_type=strategy.percent_of_equity,
         default_qty_value=10,
         commission_type=strategy.commission.percent,
         commission_value=0.075,
         slippage=2,
         pyramiding=0,
         max_bars_back=500)

// ══════════════════════════════════════════════════════════════════════════════
// ║ TURTLE TREND PRO STRATEGY (HEIKIN ASHI ENHANCED)                           ║
// ║ Based on Richard Dennis's Turtle Trading Rules                             ║
// ║ Enhanced with Heikin Ashi Smoothing & Neural Fusion Pro Styling            ║
// ══════════════════════════════════════════════════════════════════════════════

// ═══════════════════════════════════════════════════════════
// INPUT GROUPS
// ═══════════════════════════════════════════════════════════
groupEntry      = "Entry Settings (Donchian Breakouts)"
groupExit       = "Exit Settings"
groupFilters    = "Signal Filters"
groupHA         = "Heikin Ashi Settings"
groupDisplay    = "Display Settings"

// ── ENTRY SETTINGS (Donchian Channel Breakouts) ───────────────────────────────
entryLength     = input.int(20, "Entry Breakout Period", minval=5, maxval=100, group=groupEntry, tooltip="Original Turtle System 1 used 20 days")
entryLengthLong = input.int(55, "Long-Term Entry Period", minval=20, maxval=200, group=groupEntry, tooltip="Original Turtle System 2 used 55 days")
useSystem2      = input.bool(false, "Use System 2 (55-period)", group=groupEntry, tooltip="System 2 catches bigger trends but fewer trades")

// ── EXIT SETTINGS ─────────────────────────────────────────────────────────────
exitLength      = input.int(15, "Exit Period (System 1)", minval=3, maxval=50, group=groupExit, tooltip="Exit on opposite breakout for position exits")
exitLengthLong  = input.int(20, "Exit Period (System 2)", minval=5, maxval=100, group=groupExit)
atrPeriod       = input.int(20, "ATR Period", minval=5, maxval=50, group=groupExit)
atrMultiplier   = input.float(2.0, "ATR Stop Multiplier", minval=0.5, maxval=5.0, step=0.5, group=groupExit, tooltip="Original Turtles used 2x ATR")
useAtrStop      = input.bool(true, "Use ATR Stop Loss", group=groupExit)

// ── SIGNAL FILTERS ────────────────────────────────────────────────────────────
useTrendFilter  = input.bool(false, "Use Trend MA Filter", group=groupFilters, tooltip="Only trade in direction of major trend (off by default)")
maLength        = input.int(200, "Trend MA Length", minval=10, maxval=500, group=groupFilters, tooltip="Adjustable MA length for trend filter")
maType          = input.string("EMA", "MA Type", options=["SMA", "EMA"], group=groupFilters)
useAdxFilter    = input.bool(true, "Require ADX Trending", group=groupFilters)
adxLength       = input.int(14, "ADX Length", minval=5, maxval=30, group=groupFilters)
adxThreshold    = input.int(20, "ADX Threshold", minval=10, maxval=40, group=groupFilters)
useRsiFilter    = input.bool(false, "Use RSI Filter", group=groupFilters)
rsiLength       = input.int(14, "RSI Length", minval=5, maxval=30, group=groupFilters)
rsiOversold     = input.int(30, "RSI Oversold", minval=10, maxval=50, group=groupFilters)
rsiOverbought   = input.int(70, "RSI Overbought", minval=50, maxval=90, group=groupFilters)
useVolumeFilter = input.bool(false, "Require Volume Surge", group=groupFilters)
volumePeriod    = input.int(20, "Volume Average Period", minval=5, maxval=50, group=groupFilters)
volumeMultiple  = input.float(1.5, "Volume Surge Multiplier", minval=1.0, maxval=3.0, step=0.1, group=groupFilters)

// ── HEIKIN ASHI SETTINGS ──────────────────────────────────────────────────────
useHACalc       = input.bool(true, "Use Heikin Ashi Calculations", group=groupHA, tooltip="Apply HA smoothing to breakout detection")
showHACandles   = input.bool(true, "Display Heikin Ashi Candles", group=groupHA, tooltip="Visually show HA candles on chart")
cooldownPeriod  = input.int(5, "Signal Cooldown (Bars)", minval=1, maxval=20, group=groupHA, tooltip="Number of bars to wait after a trade before allowing new signals")

// ── DISPLAY SETTINGS ──────────────────────────────────────────────────────────
showChannels    = input.bool(true, "Show Donchian Channels", group=groupDisplay)
showExitChannels = input.bool(true, "Show Exit Channels", group=groupDisplay)
showMA          = input.bool(false, "Show Trend MA", group=groupDisplay, tooltip="Display the trend MA on chart (off by default)")
showCloud       = input.bool(true, "Show Channel Cloud", group=groupDisplay)
showBackground  = input.bool(true, "Show Regime Background", group=groupDisplay)
showTable       = input.bool(true, "Show Info Panel", group=groupDisplay)
showLabels      = input.bool(true, "Show Entry/Exit Labels", group=groupDisplay)
cloudOpacity    = input.int(90, "Cloud Opacity", minval=50, maxval=95, group=groupDisplay)
bgOpacity       = input.int(92, "Background Opacity", minval=80, maxval=98, group=groupDisplay)

// ═══════════════════════════════════════════════════════════
// HEIKIN ASHI CALCULATIONS
// ═══════════════════════════════════════════════════════════

// Calculate Heikin Ashi values
var float haOpen = na
haClose = (open + high + low + close) / 4
haOpen := na(haOpen[1]) ? (open + close) / 2 : (haOpen[1] + haClose[1]) / 2
haHigh = math.max(high, haOpen, haClose)
haLow = math.min(low, haOpen, haClose)

// Select which price data to use for calculations
calcHigh = useHACalc ? haHigh : high
calcLow = useHACalc ? haLow : low
calcClose = useHACalc ? haClose : close
calcOpen = useHACalc ? haOpen : open

// ═══════════════════════════════════════════════════════════
// DONCHIAN CHANNEL CALCULATIONS
// ═══════════════════════════════════════════════════════════

// Select entry/exit periods based on system
activeEntryLen = useSystem2 ? entryLengthLong : entryLength
activeExitLen = useSystem2 ? exitLengthLong : exitLength

// Donchian Channel for Entry (use [1] to avoid repainting)
// Using HA values for smoother breakout detection
entryHighest = ta.highest(calcHigh, activeEntryLen)[1]
entryLowest = ta.lowest(calcLow, activeEntryLen)[1]
entryMid = (entryHighest + entryLowest) / 2

// Donchian Channel for Exit
exitLowest = ta.lowest(calcLow, activeExitLen)[1]
exitHighest = ta.highest(calcHigh, activeExitLen)[1]

// ATR for stops (using regular prices for accurate volatility)
atr = ta.atr(atrPeriod)
atrPercent = atr / close * 100

// ATR Percentile for volatility assessment
atrPercentile = ta.percentrank(atr, 100)

// Trend Filter MA (can use HA close for smoother trend)
trendMA = maType == "EMA" ? ta.ema(calcClose, maLength) : ta.sma(calcClose, maLength)
isUptrend = calcClose > trendMA
isDowntrend = calcClose < trendMA
maSlope = trendMA - trendMA[1]
maSlopeUp = maSlope > 0
maSlopeDown = maSlope < 0

// ADX Filter
[diPlus, diMinus, adx] = ta.dmi(adxLength, adxLength)
adxSmoothed = ta.ema(adx, 3)
isTrending = adxSmoothed > adxThreshold

// RSI Filter
rsi = ta.rsi(calcClose, rsiLength)
rsiOversoldZone = rsi < rsiOversold
rsiOverboughtZone = rsi > rsiOverbought

// Volume Filter
avgVolume = ta.sma(volume, volumePeriod)
volumeSurge = volume > avgVolume * volumeMultiple

// OBV for trend confirmation
obv = ta.obv
obvSma = ta.sma(obv, 20)
obvBullish = obv > obvSma
obvBearish = obv < obvSma

// ═══════════════════════════════════════════════════════════
// TREND STRENGTH METER (0-100%)
// ═══════════════════════════════════════════════════════════

adxStrength = math.min(adxSmoothed / 50 * 100, 100)
priceVsMa = math.abs(calcClose - trendMA) / trendMA * 100
maStrength = math.min(priceVsMa * 10, 100)
donchianRange = entryHighest - entryLowest
priceInChannel = donchianRange > 0 ? (calcClose - entryLowest) / donchianRange * 100 : 50
channelStrength = isUptrend ? priceInChannel : (100 - priceInChannel)
diSpread = math.abs(diPlus - diMinus)
diStrength = math.min(diSpread * 2, 100)

trendStrength = (adxStrength * 0.40) + (maStrength * 0.25) + (channelStrength * 0.20) + (diStrength * 0.15)
trendStrength := math.min(math.max(trendStrength, 0), 100)

// ═══════════════════════════════════════════════════════════
// BREAKOUT DETECTION (Using HA or Regular prices)
// ═══════════════════════════════════════════════════════════

longBreakout = calcHigh > entryHighest
shortBreakout = calcLow < entryLowest
longExitBreakout = calcLow < exitLowest
shortExitBreakout = calcHigh > exitHighest

// ═══════════════════════════════════════════════════════════
// SIGNAL CONDITIONS
// ═══════════════════════════════════════════════════════════

// Cooldown tracking
var int lastTradeBar = 0
cooldownMet = bar_index - lastTradeBar >= cooldownPeriod

// Apply filters
trendLongOK = useTrendFilter ? (isUptrend and maSlopeUp) : true
trendShortOK = useTrendFilter ? (isDowntrend and maSlopeDown) : true
adxOK = useAdxFilter ? isTrending : true
rsiLongOK = useRsiFilter ? rsiOversoldZone : true
rsiShortOK = useRsiFilter ? rsiOverboughtZone : true
volumeOK = useVolumeFilter ? volumeSurge : true

// Entry conditions (with cooldown)
longCondition = longBreakout and trendLongOK and adxOK and rsiLongOK and volumeOK and cooldownMet
shortCondition = shortBreakout and trendShortOK and adxOK and rsiShortOK and volumeOK and cooldownMet

// Exit conditions
exitLongCondition = longExitBreakout
exitShortCondition = shortExitBreakout

// ═══════════════════════════════════════════════════════════
// REGIME CLASSIFICATION
// ═══════════════════════════════════════════════════════════

isBull = isUptrend and diPlus > diMinus and obvBullish and isTrending
isBear = isDowntrend and diMinus > diPlus and obvBearish and isTrending
isNeutral = not isBull and not isBear

// ═══════════════════════════════════════════════════════════
// STRATEGY EXECUTION
// ═══════════════════════════════════════════════════════════

// Calculate stop loss levels (using regular close for actual order placement)
longStopLoss = useAtrStop ? close - (atr * atrMultiplier) : exitLowest
shortStopLoss = useAtrStop ? close + (atr * atrMultiplier) : exitHighest

// Long Entry
if longCondition and strategy.position_size <= 0
    strategy.entry("Long", strategy.long)
    lastTradeBar := bar_index
    if showLabels
        label.new(bar_index, low - atr * 0.5, "🐢 LONG\n" + str.tostring(close, "#.##"), 
                  style=label.style_label_up, color=color.new(#00FF00, 10), 
                  size=size.small, textcolor=color.white)

// Short Entry
if shortCondition and strategy.position_size >= 0
    strategy.entry("Short", strategy.short)
    lastTradeBar := bar_index
    if showLabels
        label.new(bar_index, high + atr * 0.5, "🐢 SHORT\n" + str.tostring(close, "#.##"), 
                  style=label.style_label_down, color=color.new(#FF0000, 10), 
                  size=size.small, textcolor=color.white)

// Exit Long
if strategy.position_size > 0 and exitLongCondition
    strategy.close("Long", comment="Exit Long")
    if showLabels
        label.new(bar_index, high + atr * 0.3, "EXIT", 
                  style=label.style_label_down, color=color.new(#FFA500, 20), 
                  size=size.tiny, textcolor=color.white)

// Exit Short
if strategy.position_size < 0 and exitShortCondition
    strategy.close("Short", comment="Exit Short")
    if showLabels
        label.new(bar_index, low - atr * 0.3, "EXIT", 
                  style=label.style_label_up, color=color.new(#FFA500, 20), 
                  size=size.tiny, textcolor=color.white)

// ATR Stop Loss
if useAtrStop
    if strategy.position_size > 0
        strategy.exit("Long SL", "Long", stop=longStopLoss)
    if strategy.position_size < 0
        strategy.exit("Short SL", "Short", stop=shortStopLoss)

// ═══════════════════════════════════════════════════════════
// HEIKIN ASHI CANDLE VISUALIZATION
// ═══════════════════════════════════════════════════════════

// Determine HA candle colors
haIsBullish = haClose > haOpen
haColor = haIsBullish ? #00FF00 : #FF0000
haWickColor = haIsBullish ? #00AA00 : #AA0000

// Plot HA candles using plotcandle
plotcandle(showHACandles ? haOpen : na, 
           showHACandles ? haHigh : na, 
           showHACandles ? haLow : na, 
           showHACandles ? haClose : na, 
           title="Heikin Ashi Candles",
           color=haColor, 
           wickcolor=haWickColor, 
           bordercolor=haColor)

// ═══════════════════════════════════════════════════════════
// VISUALIZATION - DONCHIAN CHANNELS
// ═══════════════════════════════════════════════════════════

upperColor = isBull ? color.new(#00FF00, 30) : isBear ? color.new(#FF0000, 30) : color.new(#FFFF00, 30)
lowerColor = isBull ? color.new(#00FF00, 30) : isBear ? color.new(#FF0000, 30) : color.new(#FFFF00, 30)
midColor = isBull ? color.new(#00FF00, 60) : isBear ? color.new(#FF0000, 60) : color.new(#FFFF00, 60)

pUpper = plot(showChannels ? entryHighest : na, "Entry High", color=upperColor, linewidth=2)
pLower = plot(showChannels ? entryLowest : na, "Entry Low", color=lowerColor, linewidth=2)
plot(showChannels ? entryMid : na, "Entry Mid", color=midColor, linewidth=1, style=plot.style_circles)

cloudCol = isBull ? color.new(#00FF00, cloudOpacity) : isBear ? color.new(#FF0000, cloudOpacity) : color.new(#FFFF00, cloudOpacity)
fill(pUpper, pLower, color=showCloud ? cloudCol : na, title="Channel Cloud")

plot(showExitChannels ? exitLowest : na, "Exit Low (Longs)", color=color.new(#00FF00, 50), linewidth=1, style=plot.style_cross)
plot(showExitChannels ? exitHighest : na, "Exit High (Shorts)", color=color.new(#FF0000, 50), linewidth=1, style=plot.style_cross)

maPlotColor = isUptrend ? color.new(#00FF00, 20) : color.new(#FF0000, 20)
plot(showMA ? trendMA : na, "Trend MA", color=maPlotColor, linewidth=3)

// ═══════════════════════════════════════════════════════════
// BACKGROUND COLORING
// ═══════════════════════════════════════════════════════════

bgColor = isBull ? color.new(#00FF00, bgOpacity) : isBear ? color.new(#FF0000, bgOpacity) : color.new(#FFFFFF, bgOpacity)
bgcolor(showBackground ? bgColor : na)

// ═══════════════════════════════════════════════════════════
// INFO TABLE (Neural Fusion Pro Style)
// ═══════════════════════════════════════════════════════════

var table infoPanel = table.new(position.top_right, 2, 12, bgcolor=color.new(color.black, 85), border_width=1, frame_color=color.gray, frame_width=1)
leftBg = color.new(color.gray, 70)

if showTable
    // Clear and rebuild table on every bar to ensure visibility
    table.clear(infoPanel, 0, 0, 1, 11)
    
    // Header
    table.cell(infoPanel, 0, 0, "🐢 TURTLE", bgcolor=color.new(#2962ff, 30), text_color=color.white)
    table.cell(infoPanel, 1, 0, "STATUS", bgcolor=color.new(#2962ff, 30), text_color=color.white)
    
    // System Type
    systemText = useSystem2 ? "System 2 (55)" : "System 1 (20)"
    systemBg = useSystem2 ? color.new(color.purple, 60) : color.new(color.blue, 60)
    table.cell(infoPanel, 0, 1, "System", bgcolor=leftBg, text_color=color.white)
    table.cell(infoPanel, 1, 1, systemText, bgcolor=systemBg, text_color=color.white)
    
    // Candle Mode
    candleText = useHACalc ? "Heikin Ashi" : "Standard"
    candleBg = useHACalc ? color.new(#9C27B0, 50) : color.new(color.gray, 60)
    table.cell(infoPanel, 0, 2, "Candles", bgcolor=leftBg, text_color=color.white)
    table.cell(infoPanel, 1, 2, candleText, bgcolor=candleBg, text_color=color.white)
    
    // Regime
    regimeText = isBull ? "BULLISH" : isBear ? "BEARISH" : "NEUTRAL"
    regimeBg = isBull ? color.new(#00FF00, 50) : isBear ? color.new(#FF0000, 50) : color.new(color.gray, 60)
    table.cell(infoPanel, 0, 3, "Regime", bgcolor=leftBg, text_color=color.white)
    table.cell(infoPanel, 1, 3, regimeText, bgcolor=regimeBg, text_color=color.white)
    
    // Market State
    marketText = isTrending ? "TRENDING" : "RANGING"
    marketBg = isTrending ? color.new(#4D88FF, 50) : color.new(color.orange, 50)
    table.cell(infoPanel, 0, 4, "Market", bgcolor=leftBg, text_color=color.white)
    table.cell(infoPanel, 1, 4, marketText, bgcolor=marketBg, text_color=color.white)
    
    // ADX
    adxBgColor = adxSmoothed < 15 ? color.white : adxSmoothed <= 25 ? color.orange : color.green
    adxTextColor = adxSmoothed < 15 ? color.black : color.white
    table.cell(infoPanel, 0, 5, "ADX", bgcolor=leftBg, text_color=color.white)
    table.cell(infoPanel, 1, 5, str.tostring(adxSmoothed, "#.#"), bgcolor=adxBgColor, text_color=adxTextColor)
    
    // Volatility
    volBg = atrPercentile < 30 ? color.new(color.green, 50) : atrPercentile > 70 ? color.new(color.red, 50) : color.new(color.orange, 50)
    table.cell(infoPanel, 0, 6, "Volatility", bgcolor=leftBg, text_color=color.white)
    table.cell(infoPanel, 1, 6, str.tostring(atrPercentile, "#") + "%", bgcolor=volBg, text_color=color.white)
    
    // RSI
    rsiBg = rsi < 30 ? color.new(color.green, 50) : rsi > 70 ? color.new(color.red, 50) : color.new(color.gray, 60)
    table.cell(infoPanel, 0, 7, "RSI", bgcolor=leftBg, text_color=color.white)
    table.cell(infoPanel, 1, 7, str.tostring(rsi, "#.#"), bgcolor=rsiBg, text_color=color.white)
    
    // Breakout High
    table.cell(infoPanel, 0, 8, "Break High", bgcolor=leftBg, text_color=color.white)
    table.cell(infoPanel, 1, 8, str.tostring(entryHighest, "#.##"), bgcolor=color.new(#00FF00, 60), text_color=color.white)
    
    // Breakout Low
    table.cell(infoPanel, 0, 9, "Break Low", bgcolor=leftBg, text_color=color.white)
    table.cell(infoPanel, 1, 9, str.tostring(entryLowest, "#.##"), bgcolor=color.new(#FF0000, 60), text_color=color.white)
    
    // Trend Strength
    trendStrengthBg = trendStrength < 25 ? color.gray : trendStrength < 50 ? color.yellow : trendStrength < 75 ? color.orange : color.green
    trendStrengthTextColor = trendStrength < 25 ? color.white : trendStrength >= 75 ? color.white : color.black
    table.cell(infoPanel, 0, 10, "Trend Str", bgcolor=leftBg, text_color=color.white)
    table.cell(infoPanel, 1, 10, str.tostring(trendStrength, "#") + "%", bgcolor=trendStrengthBg, text_color=trendStrengthTextColor)
    
    // Position
    posText = strategy.position_size > 0 ? "LONG" : strategy.position_size < 0 ? "SHORT" : "FLAT"
    posBg = strategy.position_size > 0 ? color.new(color.green, 50) : strategy.position_size < 0 ? color.new(color.red, 50) : color.new(color.gray, 70)
    table.cell(infoPanel, 0, 11, "Position", bgcolor=leftBg, text_color=color.white)
    table.cell(infoPanel, 1, 11, posText, bgcolor=posBg, text_color=color.white)

// ══════════════════════════════════════════════════════════════════════════════
// ║ TURTLE TREND PRO STRATEGY (HA) - QUICK REFERENCE                           ║
// ║                                                                             ║
// ║ Heikin Ashi Enhancement:                                                    ║
// ║ • Smoothed candle calculations reduce noise                                 ║
// ║ • Breakout detection uses HA high/low for cleaner signals                  ║
// ║ • Visual HA candles show trend direction clearly                           ║
// ║ • Toggle between HA and standard calculations                              ║
// ║                                                                             ║
// ║ Original Turtle Rules (Preserved):                                          ║
// ║ • System 1: Enter on 20-period breakout, exit on 15-period opposite        ║
// ║ • System 2: Enter on 55-period breakout, exit on 20-period opposite        ║
// ║ • Stop Loss: 2x ATR from entry                                             ║
// ║                                                                             ║
// ║ Enhanced Features:                                                          ║
// ║ • Optional Trend MA filter (adjustable length, off by default)             ║
// ║ • ADX filter (avoid choppy markets)                                        ║
// ║ • RSI filter option (overbought/oversold confirmation)                     ║
// ║ • Volume surge filter option                                               ║
// ║ • Neural Fusion Pro styling with regime detection                          ║
// ══════════════════════════════════════════════════════════════════════════════