Looking at the universe of stocks we cover at Dividend Channel, on 12/9/13, Calamos Convertible and High Income Fund (CHY) will trade ex-dividend, for its monthly dividend of $0.085, payable on 12/16/13. As a percentage of CHY's recent stock price of $12.75, this dividend works out to approximately 0.67%, so look for shares of Calamos Convertible and High Income Fund to trade 0.67% lower — all else being equal — when CHY shares open for trading on 12/9/13.
Below is a dividend history chart for CHY, showing historical dividends prior to the most recent $0.085 declared by Calamos Convertible and High Income Fund:
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In general, dividends are not always predictable; but looking at the history above can help in judging whether the most recent dividend from CHY is likely to continue, and whether the current estimated yield of 8.00% on annualized basis is a reasonable expectation of annual yield going forward.The chart below shows the one year performance of CHY shares, versus its 200 day moving average: 
Looking at the chart above, CHY's low point in its 52 week range is $11.69 per share, with $13.49 as the 52 week high point — that compares with a last trade of $12.75. In Thursday trading, Calamos Convertible and High Income Fund shares are currently down about 0.6% on the day. 
