多空线性交叉策略是一种技术分析策略,基于线性回归模型预测股票未来价格走势。策略的基本原理是:股价走势往往遵循一定的线性趋势,通过计算价格的线性回归,可以预测未来价格。当预测价格上穿当前价格时做多,下穿时平仓。
该策略首先计算一段时间内股价的线性回归。线性回归用最小二乘法拟合出一条直线,这条直线代表了价格随时间变化的趋势。策略然后在图表上绘制预测价格线和当前价格。
策略定义了两个信号:
当做多信号出现时,策略开仓做多;当做空信号出现时,平仓。
策略的关键步骤如下:
多空线性交叉策略有以下优点:
尽管多空线性交叉策略有诸多优点,但它也存在一些风险:
多空线性交叉策略以价格线性回归为基础,通过比较预测价格和当前价格产生交易信号。该策略逻辑简单清晰,可以捕捉价格的线性趋势,适用于各类行情。同时,策略易于实现和优化,可以灵活调整参数,结合其他指标,加入风控模块等,不断提高策略性能。但策略也存在识别趋势不准、参数设置不当、过拟合历史数据等风险,实际运用时需谨慎。总的来说,多空线性交叉策略是一个简单有效的量化交易策略,值得进一步探索和优化。
/*backtest
start: 2024-02-25 00:00:00
end: 2024-03-26 00:00:00
period: 3h
basePeriod: 15m
exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}]
*/
// This source code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/
// © stocktechbot
//@version=5
strategy("Linear Cross", overlay=true, margin_long=100, margin_short=0)
//Linear Regression
vol = volume
// Function to calculate linear regression
linregs(y, x, len) =>
ybar = math.sum(y, len)/len
xbar = math.sum(x, len)/len
b = math.sum((x - xbar)*(y - ybar),len)/math.sum((x - xbar)*(x - xbar),len)
a = ybar - b*xbar
[a, b]
// Historical stock price data
price = close
// Length of linear regression
len = input(defval = 21, title = 'Strategy Length')
linearlen=input(defval = 9, title = 'Linear Lookback')
[a, b] = linregs(price, vol, len)
// Calculate linear regression for stock price based on volume
//eps = request.earnings(syminfo.ticker, earnings.actual)
//MA For double confirmation
out = ta.sma(close, 200)
outf = ta.sma(close, 50)
outn = ta.sma(close, 90)
outt = ta.sma(close, 21)
outthree = ta.sma(close, 9)
// Predicted stock price based on volume
predicted_price = a + b*vol
// Check if predicted price is between open and close
is_between = open < predicted_price and predicted_price < close
//MACD
//[macdLine, signalLine, histLine] = ta.macd(close, 12, 26, 9)
// Plot predicted stock price
plot(predicted_price, color=color.rgb(65, 59, 150), linewidth=2, title="Predicted Price")
plot(ta.sma(predicted_price,linearlen), color=color.rgb(199, 43, 64), linewidth=2, title="MA Predicted Price")
//offset = input.int(title="Offset", defval=0, minval=-500, maxval=500)
plot(out, color=color.blue, title="MA200")
[macdLine, signalLine, histLine] = ta.macd(predicted_price, 12, 26, 9)
//BUY Signal
longCondition=false
mafentry =ta.sma(close, 50) > ta.sma(close, 90)
//matentry = ta.sma(close, 21) > ta.sma(close, 50)
matwohun = close > ta.sma(close, 200)
twohunraise = ta.rising(out, 2)
twentyrise = ta.rising(outt, 2)
macdrise = ta.rising(macdLine,2)
macdlong = ta.crossover(predicted_price, ta.wma(predicted_price,linearlen)) and (signalLine < macdLine)
if macdlong and macdrise
longCondition := true
if (longCondition)
strategy.entry("My Long Entry Id", strategy.long)
//Sell Signal
lastEntryPrice = strategy.opentrades.entry_price(strategy.opentrades - 1)
daysSinceEntry = len
daysSinceEntry := int((time - strategy.opentrades.entry_time(strategy.opentrades - 1)) / (24 * 60 * 60 * 1000))
percentageChange = (close - lastEntryPrice) / lastEntryPrice * 100
//trailChange = (ta.highest(close,daysSinceEntry) - close) / close * 100
//label.new(bar_index, high, color=color.black, textcolor=color.white,text=str.tostring(int(trailChange)))
shortCondition=false
mafexit =ta.sma(close, 50) < ta.sma(close, 90)
matexit = ta.sma(close, 21) < ta.sma(close, 50)
matwohund = close < ta.sma(close, 200)
twohunfall = ta.falling(out, 3)
twentyfall = ta.falling(outt, 2)
shortmafall = ta.falling(outthree, 1)
macdfall = ta.falling(macdLine,1)
macdsell = macdLine < signalLine
if macdfall and macdsell and (macdLine < signalLine) and ta.falling(low,2)
shortCondition := true
if (shortCondition)
strategy.entry("My Short Entry Id", strategy.short)