Blastoise-GX
SM Black Star Promos · #SM189 · Promo
Market value
$20.78▲ 1.7%30d
PSA 10 price
$717.21(+3351%)
Price history
-2.5% since Oct 3, 2026
Oct 3, 2026Low $19.91 · High $21.32Nov 14, 2026
Series
Sun & Moon
Artist
sadaji
Release date
2017/02/03
Region
Kanto
Types
Water
What grading does to this card
If it grades a PSA 10 (25%)
+$533.20
sells for $717.21
If it does not (75%)
−$40.31
PSA 9 and lower, on average
Grading pays off if more than 7% of copies hit a 10. This card: about 25%. All figures are net of the raw card, grading, shipping and selling fees.
How we weigh the odds
We weigh every outcome by how often PSA-graded copies of this card come back a 10, 9 or 8. The average over all outcomes is the last line below.
25% chance of PSA 10 × $717.21$181.45
50% chance of PSA 9 × $71.81$35.55
16% chance of PSA 8 × $37.09$5.86
9% PSA 7 or lower × $18.70 (90% of raw)$1.76
Expected sale value$224.79
Selling fees (~13%)−$29.22
Raw card−$20.78
Grading (PSA Standard)−$59.99
Shipping both ways−$10.00
Average over all grades (+116%)+$104.79
Pop reports count submitted cards, and people mostly submit their best copies, so the real odds for a random raw card are likely a bit lower.
Buy Signal · Population report
Strong Buy25.2% of PSA-graded copies come back a 10
PSA population
2,167
Graded PSA 10
546
Gem Rate
25.2%
| Grade | PSA |
|---|---|
| 10 | 546 |
| 9 | 1,076 |
| 8.5 | 5 |
| 8 | 338 |
| 7 | 101 |
| 6 | 56 |
| 5 | 23 |
| 4 | 10 |
| 3 | 4 |
| 2 | 4 |
| 1 | 7 |
| Total | 2,167 |
Grade 10 value
What a Grade 10 sells for, by grading company.
PSALeads$717.21
BGS$550.00
TAG$300.00
CGC$205.39
Price ladder
Every condition and grade Scrydex tracks for this card.
Raw
NM$20.78
LP$15.98
MP$10.43
HP$7.45
DM$5.43
Graded
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Live raw and graded eBay listings for this card.
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More versions of Blastoise-GX
Every other printing of this character across sets.
