Looking at the universe of stocks we cover at Dividend Channel, on 3/30/17, International Bancshares Corp. (IBOC - Get Report), Washington Trust Bancorp, Inc. (WASH), and Cousins Properties Inc (CUZ) will all trade ex-dividend for their respective upcoming dividends. International Bancshares Corp. will pay its semi-annual dividend of $0.33 on 4/17/17, Washington Trust Bancorp, Inc. will pay its quarterly dividend of $0.38 on 4/13/17, and Cousins Properties Inc will pay its quarterly dividend of $0.06 on 4/13/17.

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As a percentage of IBOC's recent stock price of $34.50, this dividend works out to approximately 0.96%, so look for shares of International Bancshares Corp. to trade 0.96% lower — all else being equal — when IBOC shares open for trading on 3/30/17. Similarly, investors should look for WASH to open 0.78% lower in price and for CUZ to open 0.75% lower, all else being equal.

Below are dividend history charts for IBOC, WASH, and CUZ, showing historical dividends prior to the most recent ones declared.

International Bancshares Corp. (IBOC - Get Report):

IBOC+Dividend+History+Chart

Washington Trust Bancorp, Inc. (WASH):

WASH+Dividend+History+Chart

Cousins Properties Inc (CUZ):

CUZ+Dividend+History+Chart

In general, dividends are not always predictable, following the ups and downs of company profits over time. Therefore, a good first due diligence step in forming an expectation of annual yield going forward, is looking at the history above, for a sense of stability over time. This can help in judging whether the most recent dividends from these companies are likely to continue. If they do continue, the current estimated yields on annualized basis would be 1.91% for International Bancshares Corp., 3.11% for Washington Trust Bancorp, Inc., and 2.98% for Cousins Properties Inc.

In Tuesday trading, International Bancshares Corp. shares are currently down about 0.1%, Washington Trust Bancorp, Inc. shares are off about 1.1%, and Cousins Properties Inc shares are trading flat on the day.