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Sacred Heart University

2018

Portfolio and Security Analysis

Articles 1 - 2 of 2

Full-Text Articles in Business

Stock Buyback Announcements: An Examination Of Abnormal Returns In Stock Price & Credit Default Swaps For S&P100 Companies, Alan L. Delfavero Sep 2018

Stock Buyback Announcements: An Examination Of Abnormal Returns In Stock Price & Credit Default Swaps For S&P100 Companies, Alan L. Delfavero

Doctoral Dissertations (DBA)

This event study examines the short-run effect of stock buyback announcements on stock price and credit default swaps (CDS) exclusively for mega capitalization S&P 100 companies. The research sample consists of 53 S&P 100 companies and includes 133 buyback announcement events occurring between September 2011 and May 2018. The study utilizes the market model to estimate expected returns and to compute abnormal returns (AR) for equity and abnormal change (AC) in CDS. Based on an initial analysis, it’s determined that there is a statistically significant AR and cumulative abnormal return (CAR) for stock price, and a significant AC in CDS, …


Hedging With Volatility, Mário Alagoa May 2018

Hedging With Volatility, Mário Alagoa

Doctoral Dissertations (DBA)

A risk-averse investor with a long equity position is presumably interested in identifying a hedging strategy that protects the value of that investment. The common approach encompasses using either financial derivatives or holding assets (such as gold or Swiss francs) as portfolio hedges as they show negative correlation with equities. This paper proposes using volatility indexes as portfolio hedges instead; it shows that a volatility-based dynamic hedging strategy is the most effective at protecting the value of an equity investment.