//@version=5
strategy("MA30 Long Strategy ", overlay=true)
 
// Set the trading date range
startDate = timestamp(2020, 01, 01, 00, 00)
endDate = timestamp(2024, 12, 31, 23, 59)
 
// Calculate the 30-period moving average
ma30 = ta.sma(close, 30)
ma2= ta.sma(close, 10)
 
// Calculate the standard deviation of the last 30 periods
stdDev = ta.stdev(close, 30)
 
// Maximum position size as 10% of the available capital
positionSize = strategy.equity * 1 / close
 
// Define the exit level (1.5 standard deviations below the MA30)
stopLossPercentage = 0.08
stopPriceShort = close * (1 + stopLossPercentage)
exitLevel =  ma2 - (1.5* stdDev) 
 
// Define the strategy logic for trading
if (time >= startDate and time <= endDate)  // Only trade within the specified date range
    // Open a long position when the stock price crosses above the MA30
    if (ta.crossover(close, ma30))
        // Open a long position using 10% of the fund
        strategy.entry("Long", strategy.long, qty = positionSize)
        
    // Close the position when the stock price drops below 1.5 standard deviations from the MA30
    if (close < ma30 )
        // Close the long position
        strategy.close("Long")
 
longlen = input.int(30, "Long MA Length", minval=1)
long = ta.sma(close, longlen)
plot(long, color = color.rgb(249, 18, 18), title="Long MA")