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Blastoise GX #SM189 Pokémon card from Promo

Blastoise GX #SM189

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Blastoise GX #SM189 from Promo currently trades at $16.88 raw, with PSA 10 copies reaching $382.50 — a 22.7x grade premium. Price is up 6.9% in the last 30 days, though the 90-day trend tells a different story at -11.2% — worth watching for a clearer direction.
Current Prices (USD)
Ungraded
$16.88
PSA 7
$19.98
PSA 8
$30.00
PSA 9
$45.84
PSA 10
$382.50
ACE 10
$140.72
BGS 10 Black
$2,750.00
CGC 10 Pristine
$108.00
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Raw Price Trend
7d
-11.2%
30d
+6.9%
90d
-11.2%
180d
+3.7%
1y
+15.7%
2y
+117.5%
5y
+125.1%

Quick price facts

Blastoise GX #SM189 from Promo has a current raw market value of $16.88.

Current raw value
$16.88
PSA 9 value
$45.84
PSA 10 value
$383
Raw value 7d
-11.2%
Raw value 30d
+6.9%
PSA 10 premium vs raw
22.7× raw
View all cards from Promo →
Collector Intel
22.7x
Raw → PSA 10
High-risk grade
2.7x
Raw → PSA 9
Grade multiplier
+6.9%
30d Price Move
Rising
Moderate
Price Stability
11.2% 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 23x the raw price. The expected value accounts for the realistic probability.
$17
Buy Raw
~$25
Grading Fee
PSA Standard
$383
PSA 10 Value
+$341
Best Case (PSA 10)
if you pull a 10
Grade Multiples vs Raw
PSA 9$462.7x raw
PSA 10$38322.7x raw

Frequently asked questions

How much is Blastoise GX #SM189 from Promo worth?+
Blastoise GX #SM189 from Promo is currently worth Raw: $16.88, PSA 9: $45.84, PSA 10: $383 based on recent sold listings. Prices update daily from real eBay sales.
Is Blastoise GX #SM189 worth grading?+
The PSA 10 price of $383 is 22.7× the raw price of $16.88. After a ~$25 grading fee, a PSA 10 result would net approximately $366 — assuming the card grades a 10.
Where do PokePrices Blastoise GX #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
  • 2 Aug 2026Raw
    ebaycompleted-auctions-usedplayed
    $25.00
  • 2 Aug 2026Raw
    ebaycompleted-auctions-usedplayed
    $7.99
  • 1 Aug 2026Raw
    ebaycompleted-auctions-usedunknown
    $3.00
  • 1 Aug 2026Raw
    ebaycompleted-auctions-usedunknown
    $19.99
  • 1 Aug 2026TAG TAG 10
    ebaycompleted-auctions-grade-twenty-oneunknown
    $285.00