Q1 2026 Institutional Audit

Grader Consistency Audit

Analyzing 25,000 algorithmic comparisons between AI 'Shadow Grades' and final slab outcomes to establish industry-wide accountability.

PSA

Institutional Status

82%

PGC Consistency Rating

Tightness

9.2/10

Primary Bias

Surface Defect Leniency

PSA has tightened centering rules significantly in 2026, but still exhibits 15% variance on micro-pitting detection.

BGS (Post-Collectors)

Institutional Status

78%

PGC Consistency Rating

Tightness

9.5/10

Primary Bias

Edge Chipping Penalty

Beckett maintains the highest standards for physical sub-grades but has experienced delays in sub-grade consistency since acquisition.

CGC Cards

Institutional Status

94%

PGC Consistency Rating

Tightness

8.8/10

Primary Bias

Holofoil Scratch Neutrality

CGC leads the field in objective computer vision usage, resulting in the most repeatable grading metrics across all TCG assets.

SGC

Institutional Status

88%

PGC Consistency Rating

Tightness

8.5/10

Primary Bias

Vintage Era Tolerance

SGC remains the most consistent for pre-1980 assets, recognizing factory fiber variations as non-penalty attributes.

Institutional Verdict

The 2026 data shows a clear trend of "Consolidation Bias." Following the PSA acquisition of BGS and SGC, we have observed a 12% convergence in grading standards across those three brands, while CGC remains the only outlier with persistent sub-millimeter edge-fiber detection accuracy.

View Consensus Data

Quarterly Methodology

01 Blind side-by-side Shadow Grading of 2,500 assets per month.
02 Detection of 'Upcharge Bias' in high-value asset tiers.
03 Analysis of turnaround-time impact on objective condition scoring.