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Porygon-Z-GX (SM Black Star Promos SM216) — is it worth grading?

Is Porygon-Z-GX worth grading?

Pokémon · SM Black Star Promos · SM216 · full price guide →

Strong grading candidate — 188× premium in PSA 10

A PSA 10 Porygon-Z-GX sells for $1,000 against $5.33 raw: a $995 spread, 188× the ungraded price. A PSA 9 ($24.23) 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)
$5.33
PSA 10
$1,000
PSA 9
$24.23
Gem premium
188×
As of
Aug 10, 2026

Break-even by outcome and fee

Porygon-Z-GX: 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$1,000+$970+$945+$845
PSA 9$24.23−$6.10−$31.10−$131
PSA 8$12.92−$17.41−$42.41−$142

Net = sale price − $5.33 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-Z-GX: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$268+$213
50%$512+$457
75%$756+$701

Break-even gem rate at the standard fee: about 3%. Centering is the usual reason a clean copy misses — measure it before you decide.

Which grader pays the most — and what a 10 takes

All centering standards
Porygon-Z-GX: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
PSA 10$1,000best55/4575/25
CGC 10$19.54−$98055/4575/25

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-Z-GX graded prices by company and grade
GradePSACGC
10$1,000$19.54
9$24.23
8$8.00
7.5$19.00
5$11.00

Run your own numbers

Should I pay this?

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

Other SM Black Star Promos cards worth checking

Full set checklist

Grading Porygon-Z-GX — FAQ

Is Porygon-Z-GX worth grading?

A PSA 10 Porygon-Z-GX sells for $1,000 against $5.33 raw: a $995 spread, 188× the ungraded price. A PSA 9 ($24.23) 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-Z-GX worth compared with raw?

A PSA 10 Porygon-Z-GX (SM Black Star Promos SM216) sells for about $1,000 versus $5.33 for a raw near-mint copy — a 188× premium as of Aug 10, 2026.

Which grading company is best for Porygon-Z-GX?

By resale value, PSA 10 leads at $1,000, ahead of CGC 10 at $19.54. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Porygon-Z-GX 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.

What gem rate makes grading Porygon-Z-GX break even?

At a standard ~$50 fee, submitting Porygon-Z-GX breaks even when it gems about 3% of the time (a miss assumed to sell at the PSA 9 price of $24.23).

Is your Pokémon card centered well enough to grade?

Centering makes or breaks a PSA 10. Scan any card with Midpoint to measure its exact centering, get a grade estimate, and see what your copy is actually worth.

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