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Blastoise GX [Jumbo] #SM189 Pokémon card from Promo

Blastoise GX [Jumbo] #SM189

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Blastoise GX [Jumbo] #SM189 from Promo currently trades at $8.59 raw, with PSA 10 copies reaching $312.97 — a 36.4x grade premium. The card has moved down 13.2% over the past 30 days and down 14.1% over 90 days, suggesting continued softness.
Current Prices (USD)
Ungraded
$8.59
PSA 7
$49.99
PSA 8
$150.00
PSA 9
$165.00
PSA 10
$312.97
ACE 10
—
BGS 10 Black
$2,035.00
CGC 10 Pristine
$338.00
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Raw Price Trend
7d
-12.3%
30d
-13.2%
90d
-14.1%
180d
-20.1%
1y
+1.1%
2y
+5.0%
5y
—

Quick price facts

Blastoise GX [Jumbo] #SM189 from Promo has a current raw market value of $8.59.

Current raw value
$8.59
PSA 9 value
$165
PSA 10 value
$313
Raw value 7d
-12.3%
Raw value 30d
-13.2%
PSA 10 premium vs raw
36.4× raw
View all cards from Promo →
Collector Intel
36.4x
Raw → PSA 10
High-risk grade
19.2x
Raw → PSA 9
Grade multiplier
-13.2%
30d Price Move
Falling
Moderate
Price Stability
12.3% swing this week

Calculated from price history, PSA population data, and market trends. Not financial advice.

Grading Calculator

Based on PSA Standard tier (~$25 USD). Assumes a perfect PSA 10 result — actual outcome depends on card condition.

⚠️ High-variance grade. PSA 10 is 36x the raw price. The expected value accounts for the realistic probability.
$9
Buy Raw
~$25
Grading Fee
PSA Standard
$313
PSA 10 Value
+$279
Best Case (PSA 10)
if you pull a 10
Grade Multiples vs Raw
PSA 9$16519.2x raw
PSA 10$31336.4x raw

Frequently asked questions

How much is Blastoise GX [Jumbo] #SM189 from Promo worth?+
Blastoise GX [Jumbo] #SM189 from Promo is currently worth Raw: $8.59, PSA 9: $165, PSA 10: $313 based on recent sold listings. Prices update daily from real eBay sales.
Is Blastoise GX [Jumbo] #SM189 worth grading?+
The PSA 10 price of $313 is 36.4× the raw price of $8.59. After a ~$25 grading fee, a PSA 10 result would net approximately $304 — assuming the card grades a 10.
Where do PokePrices Blastoise GX [Jumbo] #SM189 prices come from?+
Prices are tracked nightly from real sold listings on PriceCharting (raw, PSA 9 and PSA 10). PSA population data is sourced from PSA's public reports. We do not use asking prices — only confirmed sales.

Recent verified sales

Find this card on eBay →Affiliate · we may earn commission
  • 31 Jul 2026Raw
    ebaycompleted-auctions-usedunknown
    $3.03
  • 27 Jul 2026Raw
    ebaycompleted-auctions-usedunknown
    $3.00
  • 26 Jun 2026Raw
    ebaycompleted-auctions-usedpoor
    $4.23
  • 21 Jun 2026Raw
    ebaycompleted-auctions-usedunknown
    $8.95
  • 29 May 2026Raw
    ebaycompleted-auctions-usedunknown
    $12.99