متعدد تکنیکی اشارے ٹرینڈ ٹریکنگ چینل بریک تھرو ٹریڈنگ حکمت عملی اور K-لائن پیٹرن فلٹرنگ سسٹم

/*backtest
start: 2024-06-01 00:00:00
end: 2024-12-01 00:00:00
period: 1h
basePeriod: 1h
exchanges: [{"eid":"Binance","currency":"ETH_USDT"}]
*/

//@version=5
strategy("Keltner Channel Breakout with Candlestick Patterns (Manual) - Visualize False Breakouts with Chinese Labels", overlay=true)

// 输入参数
length = input.int(20, title="EMA 长度")
mult = input.float(1.5, title="ATR 乘数")  // 让通道稍微紧一点，增加突破机会
atrLength = input.int(14, title="ATR 长度")
volLength = input.int(20, title="成交量长度")
stopLossMultiplier = input.float(1.5, title="止损ATR倍数")
takeProfitMultiplier = input.float(2.0, title="止盈ATR倍数")

// 计算 Keltner 通道
ema20 = ta.ema(close, length)
atr = ta.atr(atrLength)
upper = ema20 + mult * atr
lower = ema20 - mult * atr

// 绘制 Keltner 通道
plot(upper, color=color.green, linewidth=2, title="上轨")
plot(lower, color=color.red, linewidth=2, title="下轨")
plot(ema20, color=color.blue, linewidth=2, title="中轨 (EMA20)")

// 判断突破
breakout_up = close > upper
breakout_down = close < lower

// 成交量过滤：当前成交量是否高于过去 N 根 K 线的平均成交量
volume_above_avg = volume > ta.sma(volume, volLength)

// 手动判断 K线形态：看涨吞没和看跌吞没
bullish_engulfing = close > open and open[1] > close[1] and close > open[1] and open < close[1]
bearish_engulfing = close < open and open[1] < close[1] and close < open[1] and open > close[1]

// 只在突破上轨和下轨时应用 K线形态过滤
valid_breakout_up = breakout_up and volume_above_avg and bullish_engulfing
valid_breakout_down = breakout_down and volume_above_avg and bearish_engulfing

// 交易信号
long_condition = valid_breakout_up
short_condition = valid_breakout_down

// 交易策略
if (long_condition)
    strategy.entry("Long", strategy.long, comment="做多")

if (short_condition)
    strategy.entry("Short", strategy.short, comment="做空")

// 止损 & 止盈
long_stop_loss = close - stopLossMultiplier * atr
long_take_profit = close + takeProfitMultiplier * atr
short_stop_loss = close + stopLossMultiplier * atr
short_take_profit = close - takeProfitMultiplier * atr

strategy.exit("Exit Long", from_entry="Long", stop=long_stop_loss, limit=long_take_profit)
strategy.exit("Exit Short", from_entry="Short", stop=short_stop_loss, limit=short_take_profit)

// 可视化假突破事件
plotshape(series=breakout_up and not bullish_engulfing, location=location.abovebar, color=color.red, style=shape.triangledown, title="假突破-上")
plotshape(series=breakout_down and not bearish_engulfing, location=location.belowbar, color=color.green, style=shape.triangleup, title="假突破-下")

// 可视化 K线形态（中文标签）
plotshape(series=bullish_engulfing and breakout_up, location=location.belowbar, color=color.green, style=shape.labelup, title="看涨吞没", text="看涨吞没")
plotshape(series=bearish_engulfing and breakout_down, location=location.abovebar, color=color.red, style=shape.labeldown, title="看跌吞没", text="看跌吞没")