Get Best currency trading strategy Code That Actually Works

//@version=5
indicator(title="Best Currency Scalping Strategy", shorttitle="CurrScalp", overlay=true)

// Input Parameters for Customization
fastLength = input.int(8, title="Fast EMA Length", minval=1, group="EMA Settings")
slowLength = input.int(21, title="Slow EMA Length", minval=1, group="EMA Settings")
rsiLength = input.int(14, title="RSI Length", minval=1, group="RSI Filter")
rsiOverbought = input.int(70, title="RSI Overbought", minval=60, maxval=90, group="RSI Filter")
rsiOversold = input.int(30, title="RSI Oversold", minval=10, maxval=40, group="RSI Filter")
useVolume = input.bool(true, title="Enable Volume Filter", group="Volume")
volMALen = input.int(20, title="Volume MA Length", minval=1, group="Volume")

// Core Calculations: EMAs for trend direction
fastEMA = ta.ema(close, fastLength)
slowEMA = ta.ema(close, slowLength)

// RSI for momentum filter - key for currency scalping
rsi = ta.rsi(close, rsiLength)

// Volume confirmation to avoid low-liquidity traps in forex
volMA = ta.sma(volume, volMALen)
highVol = useVolume ? volume > volMA : true

// Scalping Entry Logic: EMA cross + RSI extreme + volume
longCond = ta.crossover(fastEMA, slowEMA) and rsi < rsiOversold and highVol
shortCond = ta.crossunder(fastEMA, slowEMA) and rsi > rsiOverbought and highVol

// Visual Plots: EMAs on chart
plot(fastEMA, "Fast EMA", color=color.new(color.blue, 0), linewidth=2)
plot(slowEMA, "Slow EMA", color=color.new(color.orange, 0), linewidth=2)

// Signal Shapes: Clear BUY/SELL for quick currency trades
plotshape(longCond, "Long Signal", shape.labelup, location.belowbar, color.new(color.green, 0), text="BUY", textcolor=color.white, size=size.normal)
plotshape(shortCond, "Short Signal", shape.labeldown, location.abovebar, color.new(color.red, 0), text="SELL", textcolor=color.white, size=size.normal)

// Background Highlights for instant visual alerts
bgcolor(longCond ? color.new(color.green, 85) : na, title="Long BG")
bgcolor(shortCond ? color.new(color.red, 85) : na, title="Short BG")

// Professional Alerts: Phone notifications for live scalping
alertcondition(longCond, "Currency Long Alert", "{{ticker}}: Scalp LONG - EMA cross + RSI oversold!")
alertcondition(shortCond, "Currency Short Alert", "{{ticker}}: Scalp SHORT - EMA cross + RSI overbought!")

// Info Table: Real-time stats on last bar
if barstate.islast
    var infoTbl = table.new(position.top_right, 2, 5, bgcolor=color.new(color.white, 80), border_width=1)
    table.cell(infoTbl, 0, 0, "Fast EMA", bgcolor=color.new(color.blue, 70), text_color=color.white)
    table.cell(infoTbl, 1, 0, str.tostring(fastEMA, "#.####"))
    table.cell(infoTbl, 0, 1, "Slow EMA", bgcolor=color.new(color.orange, 70), text_color=color.white)
    table.cell(infoTbl, 1, 1, str.tostring(slowEMA, "#.####"))
    table.cell(infoTbl, 0, 2, "RSI", bgcolor=color.new(color.purple, 70), text_color=color.white)
    table.cell(infoTbl, 1, 2, str.tostring(rsi, "#.##"))
    table.cell(infoTbl, 0, 3, "High Vol", bgcolor=color.new(color.gray, 70), text_color=color.white)
    table.cell(infoTbl, 1, 3, highVol ? "YES" : "NO", text_color=highVol ? color.green : color.red)
    table.cell(infoTbl, 0, 4, "Status", bgcolor=color.new(color.black, 70), text_color=color.white)
    table.cell(infoTbl, 1, 4, longCond ? "LONG" : shortCond ? "SHORT" : "WAIT", text_color=longCond ? color.green : shortCond ? color.red : color.gray)