Is Thundurus worth grading?
Pokémon · Scarlet & Violet Black Star Promos · 209 · full price guide →
Strong grading candidate — 83× premium in PSA 10
A PSA 10 Thundurus sells for $131 against $1.57 raw: a $129 spread, 83× the ungraded price. A PSA 9 ($16.76) 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)
- $1.57
- PSA 10
- $131
- PSA 9
- $16.76
- Gem premium
- 83×
- As of
- Aug 10, 2026
Break-even by outcome and fee
| If it comes back… | Sells for | Economy / bulk (~$25.00) | Standard (~$50.00) | Express (~$150) |
|---|---|---|---|---|
| Gem — PSA 10 | $131 | +$104 | +$79.01 | −$20.99 |
| PSA 9 | $16.76 | −$9.81 | −$34.81 | −$135 |
| PSA 8 | $16.76 | −$9.81 | −$34.81 | −$135 |
Net = sale price − $1.57 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?
| Chance it gems | Expected sale | Expected net (standard fee) |
|---|---|---|
| 25% | $45.22 | −$6.35 |
| 50% | $73.67 | +$22.10 |
| 75% | $102 | +$50.56 |
Break-even gem rate at the standard fee: about 31%. 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 →| Grader | 10 sells for | vs best | Front centering for a 10 | Back |
|---|---|---|---|---|
| PSA 10 | $207 | best | 55/45 | 75/25 |
| TAG 10 | $195 | −$11.46 | 55/45 | 72/28 |
| CGC 10 | $57.11 | −$150 | 55/45 | 75/25 |
| SGC 10 | $22.00 | −$185 | 55/45 | 75/25 |
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.
Full grade ladder
Raw conditions & history →| Grade | PSA | CGC | BGS | SGC | TAG | ACE |
|---|---|---|---|---|---|---|
| 10 | $207 | $57.11 | — | $22.00 | $195 | $22.33 |
| 9.5 | — | $14.45 | $28.13 | — | — | — |
| 9 | $30.56 | $28.00 | $26.83 | — | $20.26 | $20.86 |
| 8.5 | $22.84 | $19.94 | $14.21 | — | — | — |
| 8 | $22.14 | — | — | — | — | $16.54 |
| 7 | $14.60 | — | — | — | — | — |
| 6 | $7.50 | — | — | — | — | — |
| 5 | $8.01 | — | — | — | — | — |
| 4 | $10.47 | — | — | — | — | — |
Run your own numbers
Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
Other Scarlet & Violet Black Star Promos cards worth checking
Full set checklist →
Grading Thundurus — FAQ
Is Thundurus worth grading?
A PSA 10 Thundurus sells for $131 against $1.57 raw: a $129 spread, 83× the ungraded price. A PSA 9 ($16.76) 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 Thundurus worth compared with raw?
A PSA 10 Thundurus (Scarlet & Violet Black Star Promos 209) sells for about $131 versus $1.57 for a raw near-mint copy — a 83× premium as of Aug 10, 2026.
Which grading company is best for Thundurus?
By resale value, PSA 10 leads at $207, ahead of TAG 10 at $195. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Thundurus 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 Thundurus break even?
At a standard ~$50 fee, submitting Thundurus breaks even when it gems about 31% of the time (a miss assumed to sell at the PSA 9 price of $16.76).
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.
Check my card free