//@version=3
strategy("Hammer-L RSI-S Strategy", overlay=true, initial_capital = 12000, default_qty_type = strategy.cash, default_qty_value = 4000)

// Buy when hammer is observed in a downtrend
// Detect downtrend
is_DownTrend = false
// sma100 = sma(close, 100)
sma50 = sma(close, 50)
// is_DownTrend := close < sma50 and sma50 < sma100
is_DownTrend := close < sma50

// Detect hammer
len_upShadow = high - max(open,close)
len_downShadow = min(open,close) - low
len_body = abs(open - close)
if is_DownTrend and len_downShadow > 0
    if len_upShadow < len_downShadow / 5 and len_body < len_downShadow / 3
        strategy.entry("HammerL", strategy.long, comment="HammerL")
    
// Sell when RSI exceeds 75
length = input( 14 )
overSold = input( 30 )
overBought = input( 75 )
price = close
    
vrsi = rsi(price, length)
co = crossover(vrsi, overSold)
cu = crossunder(vrsi, overBought)

if (not na(vrsi))
    if (cu)
        strategy.close_all(when = open < close)
        // strategy.exit(id = "MacdCU", qty_percent = 80, comment = "RsiC80")
        // strategy.entry("Rsi75", strategy.short, comment="Rsi75")
        
//plot(strategy.equity, title="equity", color=color.red, linewidth=2, style=plot.style_areabr)