It can only be one of two things
Your equipment
You
Check the equipment, centershot, correct spine, papertune, walkback tune, bareshaft tune. 2nd axis, and if it is a spot-hogg, pin alignment.
Easton has a troubleshooting guide that suggests that Centershot will produce / or \ . A curve like this ) would indicate that your spine is too weak. Sometimes it is tough to tell the difference. Lower your point weight and see if it makes difference in bareshaft testing.
None of the above, check form. At our range, the lights are different at the 30 and 40 yard butts. It makes it difficult to ensure consistent peep alignment to scope ring. And of course there is the famous torque, target panic, drive by shootings, tension, and incorrect dl.
good luck. It still happens to me but usually only in the shoot-offs.