Get Best technical indicators for swing trading Code That Actually Works

//@version=5
indicator("Swing Trading Indicators Pro", shorttitle="SwingPro", overlay=true)

// Input parameters for customization
fastEmaLen = input.int(9, title="Fast EMA Length", minval=1)
slowEmaLen = input.int(21, title="Slow EMA Length", minval=1)
rsiLen = input.int(14, title="RSI Length", minval=1)
rsiOB = input.int(70, title="RSI Overbought", minval=50, maxval=100)
rsiOS = input.int(30, title="RSI Oversold", minval=0, maxval=50)
useVolFilter = input.bool(true, title="Use Volume Confirmation")
volMaLen = input.int(20, title="Volume MA Length", minval=1)

// Calculate EMAs for trend direction
fastEma = ta.ema(close, fastEmaLen)
slowEma = ta.ema(close, slowEmaLen)

// RSI for momentum filter
rsi = ta.rsi(close, rsiLen)

// Volume filter: above average volume strengthens signals
volMa = ta.sma(volume, volMaLen)
highVol = not useVolFilter or volume > volMa

// Swing buy/sell conditions
// Buy: Fast EMA crosses above slow, RSI not overbought, high volume
bullCross = ta.crossover(fastEma, slowEma) and rsi < rsiOB and highVol
// Sell: Fast EMA crosses below slow, RSI not oversold, high volume
bearCross = ta.crossunder(fastEma, slowEma) and rsi > rsiOS and highVol

// Plot EMAs
plot(fastEma, color=color.blue, linewidth=2, title="Fast EMA")
plot(slowEma, color=color.orange, linewidth=2, title="Slow EMA")

// Background color for signals
bgcolor(bullCross ? color.new(color.green, 85) : bearCross ? color.new(color.red, 85) : na)

// Plot entry signals
plotshape(series=bullCross, title="Buy Signal", style=shape.triangleup, location=location.belowbar, color=color.green, size=size.normal)
plotshape(series=bearCross, title="Sell Signal", style=shape.triangledown, location=location.abovebar, color=color.red, size=size.normal)

// Alerts for mobile notifications
alertcondition(bullCross, title="Swing Buy Alert", message="Swing Buy: EMA Bull Cross + RSI OK + Vol Confirm on {{ticker}} @ {{close}}")
alertcondition(bearCross, title="Swing Sell Alert", message="Swing Sell: EMA Bear Cross + RSI OK + Vol Confirm on {{ticker}} @ {{close}}")

// Optional: Table showing current status
if barstate.islast
    var table infoTable = table.new(position.top_right, 2, 4, bgcolor=color.white, border_width=1)
    table.cell(infoTable, 0, 0, "Fast EMA", text_color=color.black)
    table.cell(infoTable, 1, 0, str.tostring(fastEma, "#.##"), text_color=color.blue)
    table.cell(infoTable, 0, 1, "Slow EMA", text_color=color.black)
    table.cell(infoTable, 1, 1, str.tostring(slowEma, "#.##"), text_color=color.orange)
    table.cell(infoTable, 0, 2, "RSI", text_color=color.black)
    table.cell(infoTable, 1, 2, str.tostring(rsi, "#.0"), text_color=rsi > rsiOB ? color.red : rsi < rsiOS ? color.green : color.gray)
    table.cell(infoTable, 0, 3, "Trend", text_color=color.black)
    table.cell(infoTable, 1, 3, fastEma > slowEma ? "Bullish" : "Bearish", text_color=fastEma > slowEma ? color.green : color.red)