Is this a positive OPK?

This is my first month doing these. I believe the smaller window is the control window. 3 or 4 days ago it seems like it was this color but Glow says I ovulate today. Is an LH surge the same as ovulation? Had sex yesterday and day before.

This one was from like 3 or 4 days ago. I actually looks darker there. I do have like, 35 or 36 day long cycles too.
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