This tool will calculate the beta for a stock against the index of your choice.
You can choose between a monthly return beta or a weekly return beta and estimate a beta over a period of your choice.
It will also provide rolling estimates of betas by period for the last 8 quarters.
The tool was developed by Eran Ben Horin - eran [at] valuation.co.il
Special thanks goes to Jasim Muhammed for implementing the front and back, and also to Tal Mofkadi and Nir Yosef for their helpful comments.