Ovulation?!?!?

Vanessa • TTC for my rainbow 🌈 #clomid TTC past a year now

So im keeping track with glow it said i would ovulate already took some tests and nothing?!?!? how can i truly tell?!?!? me and my SO have been trying since july 1 had my period july 11-16 having sex twice a day every day what are my odds?!?! what do i go by?!?!