To say shares of thinly-graded BOK Financial Corp. have behaved erratically since the star[ of the year would be an understatement.

The company's stock price has bounced around haphazardly, and while there are a host of possible reasons for the unusual movement, some say it may be a sign the bank is for sale.

Subscribe Now

Access to authoritative analysis and perspective and our data-driven report series.

14-Day Free Trial

No credit card required. Complete access to articles, breaking news and industry data.