ٹرپل بوٹومنگ ریباؤنڈ بریک آؤٹ مومینٹم کی حکمت عملی

/*backtest
start: 2019-12-23 08:00:00
end: 2025-01-08 08:00:00
period: 1d
basePeriod: 1d
exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT","balance":49999}]
*/

//@version=5
strategy("反彈三次突破策略", overlay=true, initial_capital=100000, commission_value=0.001425, slippage=1)

// === 參數設定 ===
fast_length = input.int(5, title="快速均線週期")
slow_length = input.int(20, title="慢速均線週期")
atr_period = input.int(14, title="ATR 週期")
atr_factor = input.float(2.0, title="ATR 因子")
profit_factor = input.float(2.0, title="止盈因子")

// === 計算均線 ===
fast_ma = ta.ema(close, fast_length)
slow_ma = ta.ema(close, slow_length)

// === 均線交叉訊號 ===
long_signal = ta.crossover(fast_ma, slow_ma)
short_signal = ta.crossunder(fast_ma, slow_ma)

// === 計算 ATR ===
atr = ta.atr(atr_period)

// === 反彈三次突破策略 ===
var float low1 = na
var float low2 = na
var float low3 = na
var bool trend_down = false
var bool long_breakout = false
var line lower_line = na
var line upper_line = na

if (na(low1) or na(low2) or na(low3))
    // 初始化低點
    low1 := na
    low2 := na
    low3 := na

if (close < low3 or na(low3))
    // 更新低點
    low1 := low2
    low2 := low3
    low3 := close
    trend_down := true

if (trend_down and close > low2 and close > low1)
    // 確認反轉且第三次反彈比第二次高
    trend_down := false
    long_breakout := true

// 清除前一個反彈通道
if (not na(lower_line))
    line.delete(lower_line)
if (not na(upper_line))
    line.delete(upper_line)

// 繪製新的反彈通道
if (not na(low1) and not na(low3))    
    lower_line := line.new(x1=bar_index[2], y1=low1, x2=bar_index, y2=low3, color=color.yellow, width=2)
    upper_line := line.new(x1=bar_index[2], y1=low1 + (low3 - low1), x2=bar_index, y2=low3 + (low3 - low1), color=color.yellow, width=2)

// === 進出場條件 ===
var float last_long_exit = na
var float last_short_exit = na
var float stop_loss_long = na
var float take_profit_long = na
var float stop_loss_short = na
var float take_profit_short = na

var label stop_loss_label_long = na
var label take_profit_label_long = na
var label stop_loss_label_short = na
var label take_profit_label_short = na

if (long_signal or long_breakout)
    if na(last_short_exit) or (time - last_short_exit) > 2 * 60 * 60 * 1000  // 確保多頭出場後有一段時間間隔
        // 做多
        strategy.entry("做多", strategy.long)
        // 止損設置為最近低點下方
        stop_loss_long := low3 - atr_factor * atr
        take_profit_long := close + profit_factor * atr  // 設定止盈位置
        strategy.exit("止盈/止損", "做多", stop=stop_loss_long, limit=take_profit_long)
        last_long_exit := time  // 記錄多頭出場時間

        // 刪除之前的止盈止損標籤
        if (not na(stop_loss_label_long))
            label.delete(stop_loss_label_long)
        if (not na(take_profit_label_long))
            label.delete(take_profit_label_long)

        // 繪製新的止盈止損標籤
        stop_loss_label_long := label.new(x=bar_index, y=stop_loss_long, text=str.tostring(math.round(stop_loss_long * 10) / 10), color=color.red, style=label.style_label_down, textcolor=color.white, size=size.small)
        take_profit_label_long := label.new(x=bar_index, y=take_profit_long, text=str.tostring(math.round(take_profit_long * 10) / 10), color=color.green, style=label.style_label_up, textcolor=color.white, size=size.small)

if (short_signal)
    if na(last_long_exit) or (time - last_long_exit) > 2 * 60 * 60 * 1000  // 確保空頭出場後有一段時間間隔
        // 做空
        strategy.entry("做空", strategy.short)
        // 止損設置為最近高點上方
        stop_loss_short := high + atr_factor * atr
        take_profit_short := close - profit_factor * atr  // 設定止盈位置
        strategy.exit("止盈/止損", "做空", stop=stop_loss_short, limit=take_profit_short)
        last_short_exit := time  // 記錄空頭出場時間

        // 刪除之前的止盈止損標籤
        if (not na(stop_loss_label_short))
            label.delete(stop_loss_label_short)
        if (not na(take_profit_label_short))
            label.delete(take_profit_label_short)

        // 繪製新的止盈止損標籤
        stop_loss_label_short := label.new(x=bar_index, y=stop_loss_short, text=str.tostring(math.round(stop_loss_short * 10) / 10), color=color.red, style=label.style_label_down, textcolor=color.white, size=size.small)
        take_profit_label_short := label.new(x=bar_index, y=take_profit_short, text=str.tostring(math.round(take_profit_short * 10) / 10), color=color.green, style=label.style_label_up, textcolor=color.white, size=size.small)