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Porygon-Z (BW Black Star Promos BW84) — is it worth grading?

Is Porygon-Z worth grading?

Pokémon · BW Black Star Promos · BW84 · full price guide →

Strong grading candidate — 4.1× premium in PSA 5

A PSA 5 Porygon-Z sells for $227 against $55.00 raw: a $172 spread, 4.1× the ungraded price. A PSA 9 ($79.99) 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)
$55.00
PSA 5
$227
PSA 9
$79.99
Gem premium
4.1×
As of
Sep 27, 2026

Break-even by outcome and fee

Porygon-Z: 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 5$227+$147+$122+$21.50
PSA 9$79.99−$0.01−$25.01−$125
PSA 8$44.52−$35.48−$60.48−$160

Net = sale price − $55.00 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: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$117+$11.62
50%$153+$48.25
75%$190+$84.87

Break-even gem rate at the standard fee: about 17%. Centering is the usual reason a clean copy misses — measure it before you decide.

Porygon-Z graded prices by company and grade
GradePSABGS
9$79.99$32.40
8$44.52—
7$180—
6$160—
5$227—

Run your own numbers

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

Other BW Black Star Promos cards worth checking

Full set checklist →

Grading Porygon-Z — FAQ

Is Porygon-Z worth grading?

A PSA 5 Porygon-Z sells for $227 against $55.00 raw: a $172 spread, 4.1× the ungraded price. A PSA 9 ($79.99) 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.

What gem rate makes grading Porygon-Z break even?

At a standard ~$50 fee, submitting Porygon-Z breaks even when it gems about 17% of the time (a miss assumed to sell at the PSA 9 price of $79.99).

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