2 Positive OPKs 4 days apart?

Em

Has anyone received 2 positive OPKs 4 days apart? I'm very confused. Do not have PCOS to my knowledge. Today is CD 22 which is when I normally ovulate but, thought I got a positive Friday. Both were taken at the same time in the evening.

Top OPK Friday, bottom OPK today.

Tonight's OPK: