Clearblue high opk on cycle day 8

Melanie • I'm Melanie(27) & mommy to 3 precious boys 👬👶💙 Currently trying for baby #4. Our final precious addition to our Fam❤️
Hi girls! So I'm not sure if this is normal or not but I am only on cycle day 9 and yesterday and today I had the flashing smiley (high reading) on my Clearblue opk... should I be worried... is this normal? I didn't get my positive opk until day 18 last cycle? So wierd...