Looking at the universe of stocks we cover at Dividend Channel, on 10/29/15, Vanguard Natural Resources LLC (VNR), ONEOK Inc. (OKE), and Cheniere Energy Partners L P (CQP) will all trade ex-dividend for their respective upcoming dividends. Vanguard Natural Resources LLC will pay its monthly dividend of $0.1175 on 11/13/15, ONEOK Inc. will pay its quarterly dividend of $0.615 on 11/13/15, and Cheniere Energy Partners L P will pay its quarterly dividend of $0.425 on 11/13/15.

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As a percentage of VNR's recent stock price of $7.88, this dividend works out to approximately 1.49%, so look for shares of Vanguard Natural Resources LLC to trade 1.49% lower — all else being equal — when VNR shares open for trading on 10/29/15. Similarly, investors should look for OKE to open 1.82% lower in price and for CQP to open 1.60% lower, all else being equal.

Below are dividend history charts for VNR, OKE, and CQP, showing historical dividends prior to the most recent ones declared.

Vanguard Natural Resources LLC (VNR):

VNR+Dividend+History+Chart

ONEOK Inc. (OKE):

OKE+Dividend+History+Chart

Cheniere Energy Partners L P (CQP):

CQP+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 17.89% for Vanguard Natural Resources LLC, 7.29% for ONEOK Inc., and 6.39% for Cheniere Energy Partners L P.

In Tuesday trading, Vanguard Natural Resources LLC shares are currently down about 3.9%, ONEOK Inc. shares are down about 2.5%, and Cheniere Energy Partners L P shares are off about 1.8% on the day.