So confused and annoyed 😡😩

Coral
Today according to my pos opk I should be 11dpo! 
I was playing about on FF and took out my pos opk and FF changed my O date 
Can you get a pos opk and not ovulate? Need a little help to understand my chart!
CD 6 -9 I was camping and it was cold - may be why there spikey
Positive opk on CD 12
This come up when i got rid of the opk