CSQ vs OIA

Calamos Strategic Total Return

Calamos Strategic Total Return Fund is a closed ended balanced mutual fund launched by Calamos Investments LLC. The fund is managed by Calamos Advisors LLC. It invests in the public equity and fixed income markets of the United States. The fund seeks to invest in securities of companies operating across diversified sectors. It primarily invests in common and preferred stocks of companies across all market capitalizations, convertible securities, and high yield corporate bonds with an average credit rating of BB as rated by S&P. The fund employs both fundamental and quantitative analysis with a combination of bottom-up and top-down security picking approaches to create its portfolio. Calamos Strategic Total Return Fund was formed on December 31, 2003 and is domiciled in the United States.

Invesco Municipal Income Opportunities Trust

Invesco Municipal Income Opportunities Trust is a closed-ended fixed income mutual fund launched by Invesco Ltd. The fund is co-managed by Invesco Advisers, Inc., INVESCO Asset Management Deutschland GmbH, INVESCO Asset Management Limited, INVESCO Asset Management (Japan) Limited, Invesco Hong Kong Limited, INVESCO Senior Secured Management, Inc., and Invesco Canada Ltd. It invests in the fixed income markets of the United States. The fund primarily invests in municipal bonds rated BB or better by Standard & Poor's or Ba or better by Moody's. It employs fundamental analysis with bottom-up security selection approach to create its portfolio. The fund was previously known as Morgan Stanley Municipal Income Opportunities Trust. Invesco Municipal Income Opportunities Trust was formed on September 19, 1988 and is domiciled in the United States.