Relationship between ‘beta’ and stock returns Mayur Agrawal Varun Agrawal Debabrata Mohapatra Vikas Yadav
Experimental Setup 1 st Jan st Dec 2008 Current Time K months N months Obtain daily fluctuations on beta portfolios. Obtain Sharpe ratios after each portfolio readjustment. Default Parameters: N = 60, K = 12, P = 10
Long versus Long-Short Portfolio LongLong-Short Borrow $1 at 0% and invest in low beta portfolio Borrow $1 and invest in low beta portfolio Return $1 to the lender after N days Return $1 worth of today’s high beta portfolio to lender after N days Loss is limited to invested amount Unlimited loss can occur
PNL Plot for Beta Portfolio
PNL Plot for Long Short Portfolio
Sharpe Ratio for Beta Portfolios
Sharpe Ratio for Long-Short and SnP