Assume you ran a regression of Alcoa (ticker: AA) stock returns on the (Rm-Rf) variable of the CAPM model and estimated that AA-stock's beta is 2.

If CAPM relation sets the expected rate of return on AA stock, what is the abnormal return (Actual Return - Expected return implied by CAPM) of the AA stock over the first 9 months of 2022? (from Jan-1 to Sep-30)

Rf: Current (latest) 3-month US Treasury rate (take 3.5% annual)

Rm: S&P 500 Return over Jan 1-Sep 30 period