Day 8 of Period?!

I have no clue what’s going on in my body! I’ve never in my life (I’m 33) had a period longer than 5-6 days. I had what I thought was a normal period this month & thought I was done around day 5. But I have Been spotting when wiping since that day but today CD8 I’m losing dark red lining/clots again. It’s like my period is starting all over again. I usually have a 26/27 day cycle.

I took a pregnancy test & ovulation test as I track my cycles. Both are negative. Idk what is going on.

Anyone experience this?! 🥴🤯