CardSnap

PSA Grading Calculator

Estimate your card's ROI before you submit. Calculate the difference between raw, PSA 9, and PSA 10 values to decide if grading is worth it.

CardSnap Research Team

What is PSA Grading?

PSA (Professional Sports Authenticator) grades sports cards 1–10 based on condition. A PSA 9 ("Mint") typically sells for 3–5× the raw value. A PSA 10 ("Gem Mint") can command 5–15× more—rarity and demand determine the final premium.

Why it matters: Collectors and investors buy graded cards because PSA provides independent authentication and standardized condition assessment. Graded cards sell for measurably higher prices on eBay, Mercari, and specialty platforms.

The PSA Grading Scale

10

Gem Mint

Nearly perfect. No visible flaws.

9

Mint

Slight wear. Almost pristine.

8

NM-Mint

Minor wear on corners/edges.

7

NM

Light play wear, centered.

6

EX-Mint

Obvious wear, still desirable.

5

EX

Heavy wear, significant flaws.

PSA 9 vs PSA 10: The Value Gap

The difference between a PSA 9 and a PSA 10 is subtle to the eye but massive for your wallet. A PSA 10 ("Gem Mint") commands a premium because it's the highest possible grade—fewer cards achieve it, and collectors pay accordingly.

PSA 9 (Mint)

  • ✓ Nearly pristine appearance
  • ✓ Imperceptible wear
  • ✓ Excellent investment value
  • ✓ 3–8× price multiplier

PSA 10 (Gem Mint)

  • ✓ Perfect or near-perfect card
  • ✓ No discernible flaws
  • ✓ Highest possible grade
  • ✓ 5–15× price multiplier

Real-world example:

A 1999 Charizard Base Set Holo card graded PSA 9 typically sells for $2,200–$2,800. The same card graded PSA 10? $5,000–$7,000+. That's a 100%+ premium for one grade point. But only 2–3% of cards achieve a PSA 10, making it a risky target if you're already borderline.

Calculate Your Grading ROI

ROI = (Graded Value − Grading Cost) − Raw Value. PSA costs $15–$200+ depending on speed and card value. If your raw card is worth $10 and grading costs $50, the graded value must exceed $60 to profit.

2020 Luka Doncic Prizm Gold

Grading cost: $50

Grade it

Raw

$150

PSA 9

$400

ROI: +133%

PSA 10

$800

ROI: +400%

1999 Charizard Holo Base Set

Grading cost: $100

Grade it

Raw

$500

PSA 9

$2200

ROI: +320%

PSA 10

$5000

ROI: +880%

2021 Mac Jones Rookie Card

Grading cost: $15

Skip it

Raw

$5

PSA 9

$25

ROI: -100%

PSA 10

$50

ROI: +400%

When Should You Grade?

✓ Grade Your Card If:

  • • The card's raw value is $200+ (grading cost becomes a smaller percentage)
  • • Condition is obviously PSA 9+ (minimal wear, sharp corners)
  • • It's a key card or rookie (demand supports the graded premium)
  • • Net profit after grading is $100+

✗ Skip Grading If:

  • • Raw value is under $50 (grading cost eats the whole margin)
  • • Visible wear or centering issues (PSA 7–8 range)
  • • Break-even ROI is borderline (risks outweigh benefits)
  • • Common card with low demand

Hidden Costs to Factor In

  • Grading fees: PSA Standard ($15–$50), Express ($75–$150), Fast Track ($100–$200)
  • Shipping: $3–$10 to PSA + $5–$15 return shipping
  • Listing fees: eBay (12.9%) + PayPal (2.9%) on final sale price
  • Slabbing time: PSA Standard takes 30–40 days (capital locked up)

Ready to Scan Your Card?

Enter any card name to see instant ROI comps, PSA population data, and a clear Grade it / Skip it verdict.

Scan Your Card Now →

1 free scan. No signup required.

Niche Guides by Sport