1、Estimate a beta for eachstock using monthly returns during the period, 1926 - 1929,(i.e., 48 months):
2、Rank order all of thestock betas, and form 20
portfolios. The top 5% with the highestbetas are in portfolio #1, . . . etc. .. the bottom 5% with the smallest betasare in portfolio #20.3.Estimate the beta of eachof the portfolios by regressing portfolio monthly returns against the marketindex during the period, 1930 - 1934,(i.e., 60 months):
4、For each of the months during the period, 1935- 1938 estimate the ex post SML by regressingportfolio returns against portfolio betas
Note: 48 SMLs will be estimated (one for each month).


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