what should be datatype for expiry date and current date in black scholes model?

#1
what should be datatype for expiry date and current date in black scholes model?
It should be date or timestamp? i.e. 18-09-2019 or 18-09-2019 10:10:10

Regards,
Paresh
 
#2
depends on the sort of timedelta you are using, in general we use N as days..
so you have to use 18-09-2019
assuming you use EOD Bhav prices in your model.
 

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