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Porygon (151 137/165) — is it worth grading?

Is Porygon worth grading?

Pokémon · 151 · 137/165 · full price guide →

Strong grading candidate — 350× premium in PSA 10

A PSA 10 Porygon sells for $42.00 against $0.12 raw: a $41.88 spread, 350× the ungraded price. A PSA 9 ($21.92) only about breaks even after fees, so the case rests on gemming. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.

Raw (NM)
$0.12
PSA 10
$42.00
PSA 9
$21.92
Gem premium
350×
As of
Aug 10, 2026

Break-even by outcome and fee

Porygon: net result of grading versus selling raw, by outcome and fee tier
If it comes back…Sells forEconomy / bulk (~$25.00)Standard (~$50.00)Express (~$150)
Gem — PSA 10$42.00+$16.88−$8.12−$108
PSA 9$21.92−$3.20−$28.20−$128

Net = sale price − $0.12 raw value − fee. Fee tiers are illustrative; plug your grader's current price into the calculator below.

Expected value — how often does it need to gem?

Porygon: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$26.94−$23.18
50%$31.96−$18.16
75%$36.98−$13.14

At the standard fee this submission does not break even at any realistic gem rate unless the miss lands above the 9 price.

Which grader pays the most — and what a 10 takes

All centering standards →
Porygon: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
PSA 10$39.98best55/4575/25
CGC 10$25.00−$14.9855/4575/25

Tolerances are each company's published centering standard for its top grade; surface, corners and edges must also be clean. Centering is the one you can measure yourself before you pay.

Porygon graded prices by company and grade
GradePSACGCACE
10$39.98$25.00$51.33
9$21.92——

Swipe the table for the other grading companies →

Run your own numbers

Should I pay this?

Enter the seller’s asking price to see your net outcome per grade.

Other 151 cards worth checking

Full set checklist →

Grading Porygon — FAQ

Is Porygon worth grading?

A PSA 10 Porygon sells for $42.00 against $0.12 raw: a $41.88 spread, 350× the ungraded price. A PSA 9 ($21.92) only about breaks even after fees, so the case rests on gemming. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.

How much is a PSA 10 Porygon worth compared with raw?

A PSA 10 Porygon (151 137/165) sells for about $42.00 versus $0.12 for a raw near-mint copy — a 350× premium as of Aug 10, 2026.

Which grading company is best for Porygon?

By resale value, PSA 10 leads at $39.98, ahead of CGC 10 at $25.00. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Porygon need for a PSA 10?

PSA publishes 55/45 front and 75/25 back centering as the tolerance for a 10 (Gem Mint). Off-center copies are capped below the top grade regardless of surface — measure yours before paying the fee.

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