Make it make sense please!

Ok, so I have not been tracking my ovulation. But I do get clear EWCM and definitely have a much higher drive when I am around my ovulation window. Anyway, I believe that peak could have been on the 14th, which oddly is also CD14. My husband and I had sex on the 16th, and a few times after that. On the 20th-22nd I had spotting. It was only when I wiped, it was watery light pink and I didn’t see it every time. One time I was a bright red, but still watery. Then it just completely stopped. Flash forward to today, CD27 and I have more spotting, but this more closely resembled the start of my period. So I put in a tampon, after changing my tampon twice I realized it was so light and no where near filling up my tampon. So much so that it just completely stopped again. I tested Friday (CD26) and it was negative. I am expected my period Tuesday. But I’m sitting here questioning if somehow I still am pregnant? I feel like I missed my ovulation and the first spotting was way too early for implantation and way too late for ovulation spotting (which I literally never get). So yeah, what do you think? Any chance I’m pregnant?? I will test again in a few days, but I am so confused at this cycle. Thanks in advance!