Looking at the chart above, OKS's low point in its 52 week range is $45.40 per share, with $61.34 as the 52 week high point — that compares with a last trade of $53.75.
The current annualized dividend paid by ONEOK Partners LP is $2.90/share, currently paid in quarterly installments, and its most recent dividend ex-date was on 10/31/2013. Below is a long-term dividend history chart for OKS, which can be of good help in judging whether the most recent dividend with approx. 5.5% annualized yield is likely to continue.
According to the ETF Finder at ETF Channel, OKS makes up 5.24% of the MLP ETF (MLPA) which is trading higher by about 0.8% on the day Thursday.