Hello everyone,

I have daily panel data and I want to calculate the standard deviation of the firm's daily stock return over the past three months. Could anyone help me to find an appropriate code to calculate annualized 3-month rolling sample standard deviation and assuming the standard deviation is centered on zero, instead of centered around mean value given a time period.

Sample of my dataset is attached :

Kind Regards

Obada

I have daily panel data and I want to calculate the standard deviation of the firm's daily stock return over the past three months. Could anyone help me to find an appropriate code to calculate annualized 3-month rolling sample standard deviation and assuming the standard deviation is centered on zero, instead of centered around mean value given a time period.

Sample of my dataset is attached :

Kind Regards

Obada

## Comment