My RSI Strategy

//@version=2
strategy("My RSI Strategy", overlay=false)
length = input( 11 )
overSold = input( 30 )
overBought = input( 70 )
price = close

vrsi = rsi(price, length)
plot(vrsi,color=fuchsia,linewidth=2,transp=20)
hline(overSold,linewidth=2,color=gray)
hline(overBought,linewidth=2,color=gray)

// Check OverBought with no Oversold and Visa Versa
xLong  = crossover(vrsi, overBought) ? 1 : crossunder(vrsi, overSold)? 0 : nz(xLong[1])
xShort = crossover(vrsi, overBought) ? 0 : crossunder(vrsi, overSold)? 1 : nz(xShort[1])

// Count bars after OverBought/OverSold condition
Long  = xLong ? na(Long[1]) ? 1 : Long[1]+1 : 0
Short = xShort ? na(Short[1]) ? 1 : Short[1]+1 : 0


// Alarm Occours on the 1st Crossover/under, without any subsequent opposite cross.
plot(Long==1?100:0, title='Buy Alert', color=green, transp=0, linewidth=1)
plot(Short==1?100:0, title='Sell Alert', color=red, transp=0, linewidth=1)


if (not na(vrsi))
    if (Short==1)
        strategy.entry("SHORTLE", strategy.short, comment="SHORTLE")
    if (Long==1)
        strategy.entry("LONGSE", strategy.long, comment="LONGSE")

//plot(strategy.equity, title="equity", color=red, linewidth=2, style=areabr)