Was yesterday my peak?

♡ l o u • k e i r a ♡ l e o
Hello! I think I already know the answer, but would love to get opinions from ladies who have been using OPKs for a while as this is my first cycle that I've ever used them. 
For the past 3 weeks the lines have been faint to darker, up and down constantly. Then Saturday (first picture) it was the darkest it had ever been. Thinking it was positive we BD'd but Sunday it was light again. Then Monday it was even darker than Saturday! And now today (Tuesday) both have been light again. Do you think I ovulated yesterday? 
First picture Cycle day 32, then 33, 34 and today 35. 

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