5-21 cross over for buy and sell signal on daily chart

Algos, strategies, code
1

HI Team,

I need code for 5-21 cross over , to generate buy signal and sell signal.

Please help me to get this code.

2

You can refer this screener: http://chartink.com/screener/5-21-cross-over-for-buy-and-sell-signal-on-daily-chart