EMA 20, 60 cross over code not working in PI

Algos, strategies, code
1

HI team,

I am back testing some algo ( 20 EMA , 60 EMA crossover )

written script for
BUY :
CROSSOVER(EMA(CLOSE,20),EMA(CLOSE,60))
SELL:
CROSSOVER(EMA(CLOSE,60),EMA(CLOSE,20))

i tested this on 1 day chart in PI and can not see any trade
Inline image 1

however in today’s chart i can see it easily. Please suggest me

Inline image 2

2

i Tried on IDBI NSE 21st Dec chart.