I am working right now at something and I want to get sure that I am not doing any mistakes - maybe you can help me:
I collected weekly returns from a stock over 179 weeks and know I want to calculate the YEARLY volatility. The Standard Deviation of the 179 weeks is 1,56%. In order to calculate the yearly volatility I calculated 1,56%*SQRRT(52), because a year got 52 weeks. is that correct? or what should i calculate?
I'd be very grateful if someone could help me! :)
Kind regards, Memecon