How accurate is PreGradeCards AI grading?

Our verified accuracy log tracks predicted vs actual grades from PSA, BGS, CGC, and SGC. Early verified data shows strong alignment within ±1 grade point.

How do I submit my actual grade?

After you receive a real grade from PSA, BGS, CGC, or SGC, open the grade report in your PreGradeCards dashboard and click "Submit Actual Grade".

Can anyone see the verified accuracy log?

Yes. The verified accuracy log is public so collectors can independently verify our prediction accuracy.

Verified Accuracy Log

Predicted vs. actual grades from real PSA, BGS, CGC, and SGC submissions.

Verified Reports

Exact Match Rate

±1

Grade Point Target

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