vs Strategy

study("vs Strategy", shorttitle="vS", overlay=false)
smoothK = input(14, minval=1), smoothD = input(3, minval=1)
k = sma(stoch(close, high, low, smoothK), 1)
d = sma(k, smoothD)
a=ema(close, 20)
b=ema(close, 50)
c=rsi(close, 14)
bgcolor(a > b and c > 60 and k < 20 and d < 20 and cross(k, d) ? green : na, transp=0)
bgcolor(a < b and c < 40 and k > 80 and d > 80 and cross(k, d) ? red : na, transp=0)