Yes and no. Static pressure as such is a general term that can cover any fan with blades designed to combat resistance. This can include the extreme rpm fans made by Delta that have such high rpm (some are upwards of 8000rpm) that they create massive amounts of SP.
Pressure optimized fans are designed to do just the opposite, create as much SP as possible, with the lowest viable rpm, while still maintaining enough cfm to get the job done.
To put it bluntly, a Pressure Optimized fan is just a more specialized form of static pressure fan.