confused please help

Emma

ok so... ive been temping and acording to my temps ive already ovulated... yet ive had no positive opks.. now all of a sudden my opks are getting darker. ive alreasy had my ewcm and my cervix has been high and open too (just before temp increase) top pic is my chart... second is my opks from (Monday, tuesday, wedensday and thursday) and last pic is today (sunday). my cervix is hard my cm is extremely thick and sticky now too. anyone any idea whats going on? have i already O'd or is my body being messed up??