Confused

So i came off my period 31st Jan, i’ve been taking digital opk and past 2 days were high and today is peak ? I didn’t know you can peak so early like i only came off period 1 week ago. Also since i’ve logged that my opk said high GLOW has changed my ovulation days etc and now everything has changed around. i know these test say they are over 99% accurate but can this be right ?