What are the chances ?

I’m not trying to get pregnant so I haven’t been <a href="https://play.google.com/store/apps/details?id=com.glow.android">tracking ovulation</a> other than what glow tells me . We had unprotected sex the other night cause I thought I had another week til ovulation but then realized I was going to be ovulating in 6 days and the day after sex starting having increased Cm. What are the chances that I could get pregnant ?