See last post.
(Yes, I have been involved at all parts of the gasoline supply chain, from oil exploration to the 7-Eleven.)
Thanks. A lot more complicated than how the owner of my corner BP station does it. Ticked off one day, I asked him. He said every morning when he drives in to work he checks the prices on all the other stations he passes. Then he checks the Speedway station across from his and that is how he decides what his price will be. Strictly on his competition.