What Is Edge Grading?

Edge Gradingis a third-party trading card grader that uses machine-learning image analysis instead of (or alongside) human graders to score cards on a 1-10+ scale. Every card gets four published region subgrades — Corners, Edges, Centering, and Surface — broken down further into individual measurements per corner and edge, not just one number per category. Edge accepts sports, trading, and Pokémon cards, but doesn't take pre-1991 cards or cards thicker than 50pt. Turnaround runs roughly four to eight business days, and pricing lands between BGS/SGC and the premium computer-vision graders like TAG and PSA.

• Four regions, each scored independently. Corners, Edges, Centering, and Surface each get their own subgrade, and the report breaks those down further — e.g. Top Left Corner, Bottom Edge — before rolling up to the regional number.
• The overall grade is capped by the weakest region. A card can't score more than one full point above its lowest region grade — a Corners subgrade of 7 caps the overall at 8, no matter how clean the other three regions are.
• Centering is a ceiling, not an average input. The Centering subgrade acts as a maximum-possible score for the overall grade — an 8 on Centering means the card cannot grade higher than 8 overall, regardless of Corners, Edges, or Surface.
• Half-point precision with a rounding rule.Edge calculates to two decimal places internally and rounds up at .75 — an 8.75 composite becomes a 9 on the label, which makes the published number a rounded summary of a more granular internal score.

Edge is part of the same computer-vision wave as TAG and HGA — all three lean on sensor- or image-based measurement instead of a human eyeballing centering and surface under a loupe. Edge's pitch inside that group is speed and price: a four- to eight-business-day turnaround and pricing closer to BGS and SGC than TAG's 1,000-point DIG report or PSA's premium tiers. That's a different lane than budget graders like GMA or ISA, which compete purely on low bulk pricing rather than measurement transparency — Edge is trying to sell rigor and speed together, not just a cheap number in a holder.

1. Newer grader, shallower resale market.Like any grader without decades of history, an Edge-graded card sells into a smaller buyer pool than PSA, BGS, or SGC at the same numeric grade — check sold comps in an Edge holder before assuming the number translates evenly.
2. The detailed report is the real differentiator. If a listing shows Edge's per-corner, per-edge breakdown, that's useful signal for a buyer even at a lower overall grade — it tells you exactly which region is dragging the score down instead of leaving it a mystery.
3. Know what each subgrade measures before submitting. See How to Grade Sports Cards for what centering, corners, edges, and surface actually assess, and How Much Are My Sports Cards Worth? for pulling real comps instead of assuming a grade is interchangeable across companies.

Confirm the exact card with Identify & Research — free-path first (on-device OCR, catalog match, and fingerprints). For the four graders with the deepest resale markets, see PSA vs BGS vs SGC vs CSG: Which Grading Company Should You Use?. For the other computer-vision entrants, see What Is TAG Grading? and What Is HGA Grading?, or open the full guides library.