|May 22, 2017||26.48||26.92||26.40||26.65||1,814,367|
|May 23, 2017||26.61||26.66||26.08||26.33||2,227,017|
|May 24, 2017||26.26||26.65||25.82||26.15||1,890,528|
The historical stock information provided is for informational purposes only and is not intended for trading purposes. The historical stock information is provided by Mergent, a third party service, and HollyFrontier Corporation does not maintain or provide information directly to this service. Prices display split-adjusted cost basis per share on that date.