Advanced Strategy: Buy and Sell

前天

//version=5
indicator("Advanced Strategy: Buy and Sell", overlay=true)

// User Inputs
ema_fast_length = input.int(12, title="EMA Fast Period")
ema_slow_length = input.int(26, title="EMA Slow Period")
rsi_period = input.int(14, title="RSI Period")
macd_fast = input.int(12, title="MACD Fast Period")
macd_slow = input.int(26, title="MACD Slow Period")
macd_signal = input.int(9, title="MACD Signal Period")
bb_length = input.int(20, title="Bollinger Bands Period")
bb_mult = input.float(2.0, title="Bollinger Bands Std Dev")
adx_period = input.int(14, title="ADX Period")
adx_threshold = input.int(20, title="Minimum ADX for Trend Validation")

// Indicator Calculations
ema_fast = ta.ema(close, ema_fast_length)
ema_slow = ta.ema(close, ema_slow_length)
rsi = ta.rsi(close, rsi_period)
[macd_line, signal_line, _] = ta.macd(close, macd_fast, macd_slow, macd_signal)
[bb_upper, bb_middle, bb_lower] = ta.bb(close, bb_length, bb_mult)

// ADX Calculation
true_range = ta.rma(ta.tr, adx_period)
plus_dm = ta.rma(ta.change(high) > ta.change(low) ? math.max(ta.change(high), 0) : 0, adx_period)
minus_dm = ta.rma(ta.change(low) > ta.change(high) ? math.max(ta.change(low), 0) : 0, adx_period)

plus_di = (plus_dm / true_range) * 100
minus_di = (minus_dm / true_range) * 100
dx = math.abs(plus_di - minus_di) / (plus_di + minus_di) * 100
adx = ta.rma(dx, adx_period)

// Buy Rules
buy_signal = ta.crossover(ema_fast, ema_slow) and rsi < 50 and macd_line > signal_line and close < bb_lower and adx > adx_threshold

// Sell Rules
sell_signal = ta.crossunder(ema_fast, ema_slow) and rsi > 50 and macd_line < signal_line and close > bb_upper and adx > adx_threshold

// Plot Indicators on the Chart
plot(ema_fast, color=color.green, title="EMA Fast")
plot(ema_slow, color=color.red, title="EMA Slow")
plot(bb_upper, color=color.orange, title="Bollinger Upper Band")
plot(bb_lower, color=color.orange, title="Bollinger Lower Band")

// Buy and Sell Signals
plotshape(buy_signal, style=shape.labelup, location=location.belowbar, color=color.green, size=size.small, title="Buy Signal")
plotshape(sell_signal, style=shape.labeldown, location=location.abovebar, color=color.red, size=size.small, title="Sell Signal")

// Alerts
alertcondition(buy_signal, title="Buy Alert", message="Buy Signal Detected!")
alertcondition(sell_signal, title="Sell Alert", message="Sell Signal Detected!")