3 positive Opk help....

I had a positive opk on the 18 (cd10), negative after that...

Had a positive opk on 21(3Dpo)

And just now (13Dpo). I havent taken a HPT will in a.m. but ive never jad this many positives....im confused. Im not due for AF for almost a week.

Any ideas??? Could i be pregnant...i do have pregnancy symptoms but idk if theyre that or af symptoms...