![Corphish [1st Edition] #18 Pokémon card from Japanese Rulers of the Heavens](https://storage.googleapis.com/images.pricecharting.com/oxbfjwubdh22e7rz/240.jpg)
Japanese
Corphish [1st Edition] 18/54
Rulers of the Heavens· Language: Japanese
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Corphish [1st Edition] #18 from Japanese Rulers of the Heavens currently trades at $2.42 raw, with PSA 10 copies reaching $107.22: a 44.3x grade premium. The card has moved up 20.4% over the past 30 days and up 30.8% over 90 days, suggesting sustained buying interest.
Current Prices (USD)
Ungraded
PSA 7
PSA 8
PSA 9
PSA 10
ACE 10
BGS 10 Black
CGC 10 Pristine
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Raw Price Trend
7d
+0.0%
30d
+20.4%
90d
+30.8%
180d
—
1y
—
2y
—
5y
—
Quick price facts
Corphish [1st Edition] 18/54 from Rulers of the Heavens has a current raw market value of $2.42.
- Current raw value
- $2.42
- PSA 9 value
- $33.41
- PSA 10 value
- $107
- Raw value 30d
- +20.4%
- PSA 10 premium vs raw
- 44.3× raw
Collector Intel
44.3x
Raw → PSA 10
High-risk grade
13.8x
Raw → PSA 9
Grade multiplier
+20.4%
30d Price Move
Rising
Steady
Price Stability
0.0% swing this week
Calculated from price history, PSA population data, and market trends. Not financial advice.
Grading Calculator
Figures below are the gross raw-to-PSA-10 spread. PSA grading fees vary by card value and service tier — check psacard.com/services for the fee applicable to this card. Assumes a perfect PSA 10; actual outcome depends on card condition.
⚠️ High-variance grade. PSA 10 is 44x the raw price. The expected value accounts for the realistic probability.
$2
Raw Price
$107
PSA 10 Value
+$105
Gross Premium (PSA 10)
before PSA fees
Grade Multiples vs Raw
PSA 9$3313.8x raw
PSA 10$10744.3x raw

