CCI strategy

strategy("4H CCI Strategy 1.3", overlay=true)
length = input( 11 )
overSold = input( -150 )
overBought = input( +150 )
price1 = high
price2 = low
ucci = cci(price1, length)
dcci = cci(price2, length)
vcci = cci(ohlc4, 11)
tp = input(title="TP in ticks", type=integer, defval=3000, minval=1, maxval=100000)
sl = input(title="SL in ticks", type=integer, defval=1000, minval=1, maxval=100000)
if (not na(vcci))
    if (crossover(dcci, overSold))
        strategy.entry("CCILE", strategy.long, comment="CCILE")
        strategy.exit(id="CCILE", profit = tp, loss = sl)
    if (crossunder(ucci, overBought))
        strategy.entry("CCISE", strategy.short, comment="CCISE")
        strategy.exit(id="CCISE", profit = tp, loss = sl)