SSlabIndex
Signal RoomGraded MarketMorning BriefTrack RecordPortfolioPricing
SSlabIndex™

Every card scored — raw and graded. Every opportunity tracked. Public results.

Newsletter

Best cards and slabs to invest in this week, every Monday.

Free. Mondays. Unsubscribe in one click.

Market
  • Signal Room
  • Graded Market
  • Morning Brief
  • Track Record
  • Best cards to grade
  • Newsletter
Account
  • Portfolio
  • Pricing
  • Log in
  • Create account
Company
  • About
  • vs PriceCharting
  • Terms
  • Privacy
  • Refunds

SlabIndex publishes market analysis, not investment advice. Nothing here is a recommendation to buy or sell, no outcome is guaranteed, and past results — including every figure in the track record — do not predict future ones. Collectibles are illiquid and can lose value. Trade with money you can afford to lose.

Home/Pokémon/Blastoise
Blastoise
Hover to enlarge
Raw (NM)
$500.00
+7.5% 30d
PSA 10
$31,226
62.5× raw
$11,000–$55,000 · 6 sold
▲Buymedium confidence

A model's opinion, not investment advice.

Blastoise

Plasma Storm · 137 · Rare Secret · 2013

Raw 30d
+7.5%+$35.01
PSA 10 30d
+147.5%+$18,609
Our own tracked price, not sales
PSA 10 gem rate
3.0%
46 of 1,544 PSA submissions gemmed
Total graded
1,544
Copies with a published pop report
Raw sales · 30d
22
About 5.1 a week · completed eBay sales
Price history

What it has been worth

The raw price over time, with any graded series laid over the same axis — the comparison a grading decision turns on.

Blastoise — raw market price
$500+11.4% 6M
$506$474$443
2026/04/042026/05/042026/06/032026/08/312026/09/30
Raw market price
121 points

Premium15 graded series can be laid over this line — see what the slab did while the raw price moved.Unlock

Graded market

Grade ladder & population report

Every graded price published, next to how many copies exist at that grade.

Raw (ungraded, near mint)
$500.00
30 day
+7.5%

PSA10 grades priced

1,544 certified in total
GradeMarketvs rawPopulationPop higher
▶PSA 10$31,226
$11,000–$55,000
from sold comps
62.5×
460
▶PSA 9$1,778
$698–$3,900
3.6×
40546
▶PSA 8.5$295
unverified
0.6×
16451
▶PSA 8$748
$275–$1,500
1.5×
463467
▶PSA 7$462
$280–$630
0.9×
291931
▶PSA 6$403
$114–$499
0.8×
1301,222
▶PSA 5$297
$193–$355
0.6×
671,352
▶PSA 4$65.00
unverified
0.1×
351,419
▶PSA 2$45.00
unverified
0.1×
181,485
▶PSA 1$326
$225–$350
0.7×
331,505

BGS5 grades priced

No population report published
GradeMarketvs rawPopulationPop higher
▶BGS 9$563
1.1×
——
▶BGS 8.5$600
1.2×
——
▶BGS 8$221
unverified
0.4×
——
▶BGS 7.5$285
0.6×
——
▶BGS 6.5$140
0.3×
——

CGC5 grades priced

No population report published
GradeMarketvs rawPopulationPop higher
▶CGC 9$673
$392–$850
1.3×
——
▶CGC 8.5$587
$270–$750
1.2×
——
▶CGC 8$506
$299–$599
1.0×
——
▶CGC 7$179
unverified
0.4×
——
▶CGC 6.5$271
0.5×
——

A model's opinion, not investment advice.