Late Ovulation?

Raine • 28, Mommy to 1 son & 1 step daughter & 1 daughter. Nerd. Web Designer. Books. Netflix. Food.
Does anyone ovulate late? I posted this in a different forum and no response. Curious if it's possible for me to ovulate a week before my period is due. Last couple times I've did OPK I got a positive about 7-8 days before period. & I also get ewcm as well.