LH surge but no ovulation

aloha7

Is this a positive? been doing opk every day for last 3 months and i had a result similar to this picture 2 months ago and didnt end up ovulating since my tempereture didnt go up.. now i got this resultyesterday which seems borderline positive but today was completely negative.. I am 6 months pp and exclusively breastfeeding. Just started solids a few days ago for my baby.. what are the chances i ovulate?