BlackRock Corporate High Yield Fund Inc is a close ended fixed income mutual fund launched by BlackRock Inc The fund is managed by BlackRock Advisors LLC It invests in fixed income markets across the globe The fund invests in bonds of companies operating across diversified sectors It primarily invests in bonds rated Ba or lower by Moodys Investors Service Inc or BB or lower by Standard Poors Corporation The fund seeks to invest in domestic and foreign high yield securities including high yield bonds corporate loans convertible debt securities and preferred securities which are below investment grade quality It was formerly known as BlackRock Corporate High Yield Fund VI Inc BlackRock Corporate High Yield Fund Inc was formed on May 30 2003 and is domiciled in the United States