I don't know what you studied, but caps do not depend on position.
BB-Charles has shared in the past that potential is a cap on a "salary-like" variable, which can be reached in different ways. There is no reason to think that this cap changes based on position. As a matter of fact, this would result in players getting uncapped, or capped worse by virtue of changing positions, which has never been reported.
As a matter of fact, this would result in players getting uncapped, or capped worse by virtue of changing positions, which has never been reported.