On the Impact of Bond's Rating Changes on the Firm's Stock Price

Gil Cohen

Abstract


In the following research I have studied how bond rating changes that was conducted by Israel leading rating agency is affecting the firm's stocks abnormal returns. In order to do so I have examined 9 bonds upgrades and 9 downgrades from December 2012 until October 2013. For each of the stocks I have calculated three times abnormal return 30 days before and 60 days after the event. Results show that bond's rating downgrades has a more significant effect on the socks abnormal return than upgrades. This is especially true for bonds that were downgraded from Lower-medium grade to Non- Investment grade. Moreover, the downgrade effect on the stock price is diminishing after 45 days.

Full Text: PDF DOI: 10.5430/ijfr.v5n1p64

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This work is licensed under a Creative Commons Attribution 3.0 License.

International Journal of Financial Research
ISSN 1923-4023(Print) ISSN 1923-4031(Online)

 

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