Spotting?? Can anyone help please?

Hello guys I was just wondering if anyone can actually help please? if you guys know what could possibly be happening? I am currently cycle day 16 and I’m 11 days away from my period, I have never ever in my life experienced spotting after my period has finished? I have thought I could be spotting due to ovulation but I was supposed to have ovulated like 3/4 days ago and why now after being 27 years old would I experience ovulation bleeding now and never before? Could it happen? Or could I have ovulated earlier than I thought? I am genuinely interested? Thank you...