Dollar Cost Averaging Strategy with Take Profit

/*backtest
start: 2022-10-18 00:00:00
end: 2023-10-24 00:00:00
period: 1d
basePeriod: 1h
exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}]
*/


//@version=4
strategy("Weekly Dollar Cost Averaging", overlay=true,pyramiding = 5)

// Define investment amount and investment period
investmentAmount = input(100, title="Investment Amount")
investmentPeriod = input("W", title="Investment Period", options=["W", "M"])
// Stop loss percentage
stopLossPercentage = input(0.2, title="Stop loss percentage")
// Take profit percentage
takeProfitPercentage = input(0.1, title="Take profit percentage")

// Calculate stop loss and take profit levels
stopLossLevel = strategy.position_avg_price * (1 - stopLossPercentage/100)
takeProfitLevel = strategy.position_avg_price * (1 + takeProfitPercentage/100)



// Define buy conditions
buyCondition = investmentPeriod == "W" ? change(strategy.position_size) >= 0 : change(strategy.position_size) <= 0

// Calculate buy quantity
buyQuantity = buyCondition ? investmentAmount / close : 0

// Execute buy operation
strategy.entry("Buy", strategy.long, qty=buyQuantity)
//Profit Taking Conditions
if (close>= takeProfitLevel) and (strategy.position_size > 0) 
     strategy.close_all()
else
if(close<=stopLossLevel) and (strategy.position_size<0)
     strategy.close_all()


// Print buy information
plotshape(buyCondition, title="Buy Signal", location=location.belowbar, color=color.green, style=shape.labelup, text="Buy")

// Print holding information
plot(strategy.position_size > 0 ? strategy.position_size : na, title="Position Size", color=color.blue, style=plot.style_line, linewidth=2)