Positive opk day after period!!!!

I just finished my period 2days ago , it last for 5 days and the 6th is brown spotting . I did OPK this yesterday and it came positive and I did this today

and it even darker than the morning one , I don’t ovulate around this time because my cycle is 30 days.

Idk what to think and what this is could be?!

BTW I’m not pregnant, I tested and it came back negative!!