If your maximum Sharpe ratio increased from 0.333 to 0.444 when adding a positive-alpha (open-ended) mutual fund to your portfolio, and the fund's idiosyncratic volatility was 15%, what was the fund's alpha? (report your answer rounded to the nearest 3 decimals -- eg., 0.8765 % --> 0.877, 0.8763 --> 0.876)

Essentials Of Investments
11th Edition
ISBN:9781260013924
Author:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Publisher:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Chapter1: Investments: Background And Issues
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If your maximum Sharpe ratio increased from 0.333 to 0.444 when adding a positive-alpha (open-ended) mutual fund to your portfolio, and the fund's idiosyncratic volatility was 15%, what was the
fund's alpha? (report your answer rounded to the nearest 3 decimals -- eg., 0.8765 % --> 0.877, 0.8763 --> 0.876)
Transcribed Image Text:If your maximum Sharpe ratio increased from 0.333 to 0.444 when adding a positive-alpha (open-ended) mutual fund to your portfolio, and the fund's idiosyncratic volatility was 15%, what was the fund's alpha? (report your answer rounded to the nearest 3 decimals -- eg., 0.8765 % --> 0.877, 0.8763 --> 0.876)
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