//@version=4
strategy("MovingAvg Cross", overlay=true)
length = input(50)
confirmBars = input(2)
price = close

ma = sma(price, length)

bcond = price > ma

bcount = 0
bcount := bcond ? nz(bcount[1]) + 1 : 0

clc=close[0]>close[1]
clc0=close[0]>open[0]
clc1=close[1]>open[1]

if clc and clc0 and clc1 and (bcount == confirmBars)
    strategy.entry("buy", strategy.long)


scond = price < ma
scount = 0
scount := scond ? nz(scount[1]) + 1 : 0

csc=close[0]<close[1]
csc0=close[0]<open[0]
csc1=close[1]<open[1]

if csc and csc0 and csc1 and (scount == confirmBars)
    strategy.entry("sell", strategy.short)

strategy.close("buy", when=scond)
strategy.close("sell",when=bcond)
    
plot(ma, color=color.red)
//plot(strategy.equity, title="equity", color=color.red, linewidth=2, style=plot.style_areabr)