gma-and-bargain-graders

name	gma-and-bargain-graders
description	Use when evaluating a card slabbed by GMA, KSA, ISA, AGS, or similar bargain-tier graders. These slabs carry significant secondary market discount.

GMA and Bargain Graders

Bargain graders (GMA, KSA, ISA) command 0.2-0.4× PSA at the same numerical grade. Recognize the holders and price accordingly.

Why discount applies

1. Inconsistent grading standards across submissions
2. Holders historically rejected at major auction houses
3. Sub-grade calibration loose vs PSA
4. Collector perception: 'graded by GMA' = 'wouldn't get a clean PSA'

When you see GMA in comps

Adjust: GMA 10 → assume PSA 8.5 equivalent. GMA 9 → PSA 7-8. Use this when sniping eBay listings — GMA-slabbed cards may be undervalued IF the underlying card is clean enough for PSA cross.

Cross-grading EV

GMA 10 crack → PSA: typical outcome PSA 8 (60%), 9 (25%), 10 (10%), damage (5%). EV positive on cards where PSA 10 > 3× GMA 10. Run the math before cracking.

Where this fits in the X3 empire

Used in eBay sniping workflows where bargain-graded cards present arbitrage opportunity.