Confused...ovulation test

So af was due Saturday and she usually comes first thing in the morning. My cycle is also usually 5-6 days, this month it was 2.5 days. I have had some Brown discharge at 11-14 dpo dizziness, and nausea but I have also taken hpt and all have been negative. Today I decided to take an opk and this is what came up. I am so confused, has anyone else experienced this or does anyone have any advice??