Get Tradingview strategy tester Code That Actually Works

//@version=5
indicator("TradingView Strategy Tester Signal Indicator", shorttitle="TV Strat Tester", overlay=true)

// =============================================================================
// INPUT PARAMETERS
// =============================================================================

// Moving Average Settings
groupMA = "Moving Average Settings"
fastLen = input.int(9, "Fast MA Length", minval=1, group=groupMA)
slowLen = input.int(21, "Slow MA Length", minval=1, group=groupMA)
maType = input.string("SMA", "MA Type", options=["SMA", "EMA", "WMA"], group=groupMA)

// RSI Settings
groupRSI = "RSI Filter Settings"
rsiLen = input.int(14, "RSI Length", minval=1, group=groupRSI)
rsiOB = input.int(70, "RSI Overbought", minval=50, maxval=100, group=groupRSI)
rsiOS = input.int(30, "RSI Oversold", minval=0, maxval=50, group=groupRSI)
useRSI = input.bool(true, "Enable RSI Filter", group=groupRSI)

// Volume Filter
groupVol = "Volume Filter"
volLen = input.int(20, "Volume MA Length", minval=1, group=groupVol)
volMultiplier = input.float(1.2, "Volume Multiplier", minval=1.0, group=groupVol)
useVol = input.bool(true, "Enable Volume Filter", group=groupVol)

// Alert Settings
groupAlert = "Alert Settings"
enableAlerts = input.bool(true, "Enable Alerts", group=groupAlert)

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

gma(src, len, _type) =>
    switch _type
        "SMA" => ta.sma(src, len)
        "EMA" => ta.ema(src, len)
        "WMA" => ta.wma(src, len)

// =============================================================================
// CALCULATIONS
// =============================================================================

fastMA = gma(close, fastLen, maType)
slowMA = gma(close, slowLen, maType)
rsi = ta.rsi(close, rsiLen)
volMA = ta.sma(volume, volLen)

// Conditions
bullCross = ta.crossover(fastMA, slowMA)
bearCross = ta.crossunder(fastMA, slowMA)
rsiBullOk = na(rsi) or not useRSI or rsi < rsiOB
rsiBearOk = na(rsi) or not useRSI or rsi > rsiOS
volOk = na(volume) or not useVol or volume > volMA * volMultiplier

buySig = bullCross and rsiBullOk and volOk
sellSig = bearCross and rsiBearOk and volOk

// =============================================================================
// PLOTS
// =============================================================================

plot(fastMA, "Fast MA", color=color.new(color.blue, 0), linewidth=2)
plot(slowMA, "Slow MA", color=color.new(color.orange, 0), linewidth=2)

plotshape(series=buySig, title="Buy Signal", location=location.belowbar, color=color.new(color.green, 0), style=shape.labelup, text="BUY", textcolor=color.white, size=size.normal)
plotshape(series=sellSig, title="Sell Signal", location=location.abovebar, color=color.new(color.red, 0), style=shape.labeldown, text="SELL", textcolor=color.white, size=size.normal)

bgcolor(buySig ? color.new(color.green, 95) : na, title="Buy BG")
bgcolor(sellSig ? color.new(color.red, 95) : na, title="Sell BG")

// =============================================================================
// INFO TABLE
// =============================================================================

if barstate.islast
    var infoTable = table.new(position.top_right, 2, 4, bgcolor=color.new(color.white, 80), border_width=1)
    table.cell(infoTable, 0, 0, "Fast MA", text_color=color.black, bgcolor=color.new(color.blue, 90))
    table.cell(infoTable, 1, 0, str.tostring(fastMA, "#.##"), text_color=color.black)
    table.cell(infoTable, 0, 1, "Slow MA", text_color=color.black, bgcolor=color.new(color.orange, 90))
    table.cell(infoTable, 1, 1, str.tostring(slowMA, "#.##"), text_color=color.black)
    table.cell(infoTable, 0, 2, "RSI", text_color=color.black, bgcolor=color.new(color.purple, 90))
    table.cell(infoTable, 1, 2, str.tostring(rsi, "#.##"), text_color=color.black)
    table.cell(infoTable, 0, 3, "Volume OK", text_color=color.black, bgcolor=color.new(color.gray, 90))
    table.cell(infoTable, 1, 3, volOk ? "Yes" : "No", text_color=volOk ? color.green : color.red)

// =============================================================================
// ALERTS for Strategy Tester Use
// =============================================================================

alertcondition(buySig and enableAlerts, title="Strategy Tester Buy", message="TV Strategy Tester: BUY signal on {{ticker}} - MA Cross + Filters!")
alertcondition(sellSig and enableAlerts, title="Strategy Tester Sell", message="TV Strategy Tester: SELL signal on {{ticker}} - MA Cross + Filters!")