Is It Worth Grading Your Card? (ROI, Explained)

The appeal of grading is simple: a raw card sells for one price, and the same card in a PSA 10 slab often sells for much more. But that gap — the spread — has to cover real costs before it becomes profit. Here's how to run the numbers.

The grading ROI formula

Your net profit on a graded flip is:

Net profit = PSA 10 price − raw cost − grading fee − (PSA 10 price × ~13% seller fees)

The ~13% covers marketplace and payment fees on the sale. If that result is comfortably positive, grading is worth considering. If it's thin or negative, the card is better sold raw.

The trap: assuming every card grades a 10

The spread above assumes a PSA 10. In reality, many cards come back as 9s — and the PSA 9 price is usually far lower. A card with a great PSA 10 spread but a low gem rate can still lose money. That's why smart graders weight the upside by how likely the card is to gem, not just the headline PSA 10 price.

A quick example

Say a raw card costs $40, grading is $20, and the PSA 10 sells for $150. Seller fees at 13% are about $20. Net profit = $150 − $40 − $20 − $20 = $70. That's a strong grade candidate. Now drop the PSA 10 to $90: net profit falls to about $18 — likely not worth the time and risk of a 9.

Let the math run itself

Gem Gains pulls live raw, PSA 9, and PSA 10 prices and calculates net profit after fees for you, so you can filter for cards where grading actually pays. Try the ROI search →