Is this a positive opk?

Tess

Ok so a little back story, I hope this makes sense lol. This month will be our first month ttc, I’ve started keeping track of bbt and ovulation. My cycles are typically 30-32 days. Last month my cycle was 35 days, I had ewcm for at least 6 days when FF and glow said I would ovulate. I did get what I thought was my period on CD 35, but

it was very watery, and only lasted 2 days. After doing a little googling I think it may be possible that my last cycle was anovulatory. This is my first time using wondfo ovulation sticks. I decided to start testing now, because my period was so weird, and the possibility of an anovulatory cycle I wasn’t sure when I would ovulate this month. I am only on cycle day 4 if I count cycle day 1 as the day I started my weird period. Glow is telling me this is a positive opk, but not sure if I should trust it or not? Any help would be greatly appreciated.