该策略基于布林带指标,主要思想是在价格突破布林带上轨或下轨后,等待价格回归到布林带内部,然后在回归点建立与突破方向相同的头寸。该策略利用了价格在极端区域往往会出现反转的特点,通过布林带突破和回归的组合条件来捕捉市场转折点,以期获得更高的胜率。
布林带突破回归交易策略是一个简单实用的量化交易策略。它利用价格对极端情况的反应,通过布林带工具构建开平仓条件,能够在一定程度上捕捉趋势起始点和终结点,控制频繁交易。同时该策略也存在参数选择、震荡行情下表现不佳、对趋势把握不足等问题。通过细节的优化以及与其他信号的结合,有望进一步提升该策略的适应性和鲁棒性。
/*backtest
start: 2024-02-01 00:00:00
end: 2024-02-27 23:59:59
period: 1h
basePeriod: 15m
exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}]
*/
//@version=5
strategy(shorttitle="BB", title="Bollinger Bands", overlay=true)
length = input.int(20, minval=1)
maType = input.string("SMA", "Basis MA Type", options = ["SMA", "EMA", "SMMA (RMA)", "WMA", "VWMA"])
src = input(close, title="Source")
mult = input.float(1.7, minval=0.001, maxval=50, title="StdDev")
ma(source, length, _type) =>
switch _type
"SMA" => ta.sma(source, length)
"EMA" => ta.ema(source, length)
"SMMA (RMA)" => ta.rma(source, length)
"WMA" => ta.wma(source, length)
"VWMA" => ta.vwma(source, length)
basis = ma(src, length, maType)
dev = mult * ta.stdev(src, length)
upper = basis + dev
lower = basis - dev
offset = input.int(0, "Offset", minval = -500, maxval = 500)
plot(basis, "Basis", color=#FF6D00, offset = offset)
p1 = plot(upper, "Upper", color=#2962FF, offset = offset)
p2 = plot(lower, "Lower", color=#2962FF, offset = offset)
fill(p1, p2, title = "Background", color=color.rgb(33, 150, 243, 95))
break_up = close > upper
break_down = close < lower
inside = close > lower and close < upper
sell_condition = break_up[1] and inside
buy_condition = break_down[1] and inside
// Conditions to close trades
close_sell_condition = close > basis
close_buy_condition = close < basis
trade_condition = sell_condition or buy_condition
// Tracking the high of the breakout candle
var float peak = na
if (not trade_condition)
peak := close
if (break_up and peak < high)
peak := high
if (break_down and peak > low)
peak := low
// Entering positions
if (buy_condition)
strategy.entry("Buy", strategy.long)
if (sell_condition)
strategy.entry("Sell", strategy.short)
// Exiting positions when close crosses the basis
if (strategy.position_size > 0 and close_sell_condition) // If in a long position and close crosses above basis
strategy.close("Buy")
if (strategy.position_size < 0 and close_buy_condition) // If in a short position and close crosses below basis
strategy.close("Sell")