COMPARISON OF ESTIMATORS OF EQUITY RETURN STANDARD DEVIATION USING PITMAN CLOSENESS CRITERION AND CONTROL CHARTING APPLICATIONS

Alan Chow, Kyre Dane Lahtinen and Kelsey Edwards
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Alan Chow: Mitchell College of Business, University of South Alabama, USA
Kyre Dane Lahtinen: Mitchell College of Business, University of South Alabama, USAAuthor-Name: CHOW ALAN
Kelsey Edwards: Mitchell College of Business, University of South Alabama, USA

Studies in Business and Economics, 2020, vol. 15, issue 1, 5-12

Abstract: Measurement of dispersion and variation have been studied and evaluated in many applications. Volatility in the field of finance is an important measure as it directly impacts allocation, risk management, and valuation. Pitman Closeness criterion is used to compare estimators of standard deviation from equity returns in a control charting application. Three estimators are evaluated over the 30 DJIA component stocks in an effort to determine if one method of estimation has better performance within an application of control charting for identifying outliers. The study uses three sample sizes to also determine if the better estimator is sample size dependent.

Keywords: Return Volatility; range based estimation; Pitman Closeness (search for similar items in EconPapers)
Date: 2020
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