Did I miss my peak?

My last few cycles have been pretty irregular so I started drinking Pink Stork tea to see if it would help at all. To be safe, I started testing earlier than I normally would. My opk tests started getting darker yesterday so I tested a lot. It looked just like it usually does RIGHT before I get a positive. Then today it got lighter, and I started getting back aches and cramping (mostly on one side). Is it possible I’m ovulating today and somehow missed my positive/peak??

I’ll see what my temps do these next few days but I’m curious if others have missed it even with frequent testing?