トレンドフィルタリングとリスク管理システムを組み合わせたダイナミックなサポートとレジスタンスのブレイクアウト取引戦略

/*backtest
start: 2024-02-21 00:00:00
end: 2025-02-18 08:00:00
period: 1h
basePeriod: 1h
exchanges: [{"eid":"Binance","currency":"SOL_USDT"}]
*/

//@version=5
strategy("支撑/阻力区域突破策略(2倍止盈 + 蜡烛确认 + 趋势过滤)", overlay=true, initial_capital=10000, currency=currency.USD, pyramiding=0, calc_on_order_fills=true, calc_on_every_tick=true)

// 用户输入设置
pivotLen = input.int(title="枢轴识别窗口长度", defval=5, minval=1)
zoneOffsetPercent = input.float(title="区域偏移百分比 (%)", defval=0.1, step=0.1)
maLength = input.int(200, title="移动平均线周期")

// 趋势指标: 简单移动平均线(SMA)
trendMA = ta.sma(close, maLength)

// 识别高点和低点(枢轴高点/低点)
ph = ta.pivothigh(high, pivotLen, pivotLen)
pl = ta.pivotlow(low, pivotLen, pivotLen)

// 存储最近的阻力位和支撑位
var float resistanceLevel = na
var int resistanceBar = na
if not na(ph)
    resistanceLevel := ph
    resistanceBar := bar_index - pivotLen

var float supportLevel = na
var int supportBar = na
if not na(pl)
    supportLevel := pl
    supportBar := bar_index - pivotLen

// 将阻力和支撑区域绘制为区域框
if not na(resistanceLevel)
    resOffset = resistanceLevel * (zoneOffsetPercent / 100)
    resTop = resistanceLevel + resOffset
    resBottom = resistanceLevel - resOffset


if not na(supportLevel)
    supOffset = supportLevel * (zoneOffsetPercent / 100)
    supTop = supportLevel + supOffset
    supBottom = supportLevel - supOffset


// 风险管理: 定义资金、风险百分比和计算风险金额
riskCapital = 10000.0
riskPercent = 0.01
riskAmount = riskCapital * riskPercent   // 1% of $10,000 = $100

// activeStop变量用于显示止损位
var float activeStop = na
if strategy.position_size == 0
    activeStop := na

// 确定趋势方向
isUptrend = close > trendMA   // 上升趋势(价格在MA之上)
isDowntrend = close < trendMA  // 下降趋势(价格在MA之下)

// 定义突破蜡烛和确认蜡烛
var bool breakoutUp = false
var bool breakoutDown = false

if not na(resistanceLevel) and close[1] > resistanceLevel and open[1] < resistanceLevel
    breakoutUp := true
else
    breakoutUp := false

if not na(supportLevel) and close[1] < supportLevel and open[1] > supportLevel
    breakoutDown := true
else
    breakoutDown := false

// 突破确认: 下一根蜡烛必须在突破方向收盘
confirmLong = breakoutUp and close > close[1] and strategy.position_size == 0 and isUptrend
confirmShort = breakoutDown and close < close[1] and strategy.position_size == 0 and isDowntrend

// 做多入场: 确认蜡烛 + 在突破蜡烛低点设置止损
if confirmLong
    entryPrice = close
    stopLevelLong = low[1]
    riskPerUnit = entryPrice - stopLevelLong
    if riskPerUnit > 0
        qty = riskAmount / riskPerUnit
        activeStop := stopLevelLong
        takeProfitLong = entryPrice + (riskPerUnit * 2)  // 止盈设为止损的2倍
        strategy.entry("Long", strategy.long, qty=qty)
        strategy.exit("Exit Long", from_entry="Long", stop=stopLevelLong, limit=takeProfitLong)

// 做空入场: 确认蜡烛 + 在突破蜡烛高点设置止损
if confirmShort
    entryPrice = close
    stopLevelShort = high[1]
    riskPerUnit = stopLevelShort - entryPrice
    if riskPerUnit > 0
        qty = riskAmount / riskPerUnit
        activeStop := stopLevelShort
        takeProfitShort = entryPrice - (riskPerUnit * 2)  // 止盈设为止损的2倍
        strategy.entry("Short", strategy.short, qty=qty)
        strategy.exit("Exit Short", from_entry="Short", stop=stopLevelShort, limit=takeProfitShort)

// 当有持仓时在图表上显示止损线(水平线)
plot(strategy.position_size != 0 ? activeStop : na, title="止损线", color=color.red, linewidth=2, style=plot.style_line)

// 在图表上显示移动平均线
plot(trendMA, title="趋势MA", color=color.blue, linewidth=2)