I've always considered myself a capitalist
Curious as to why? Do you derive your livelihood from your ownership in capital? Or do you have to work, but value private property, markets and liberal economics?
I ask, because when I think of a capitalist, I think of someone whose wealth and power are derived from significant ownership in companies and assets, real or financial.
There are plenty of ideologies that value market economics from the very left to the very right. Examples include market socialism on the left and American libertarianism on the right.