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Corphish #18 Pokémon card from Japanese Rulers of the Heavens
Japanese

Corphish 18/54

Rulers of the Heavens· Language: Japanese

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Corphish #18 from Japanese Rulers of the Heavens currently trades at $2.34 raw, with PSA 10 copies reaching $75.00: a 32.1x grade premium. Price is up 9.3% in the last 30 days, though the 90-day trend tells a different story at -14.9%. Worth watching for a clearer direction.
Current Prices (USD)
Ungraded
$2.34
PSA 7
$30.71
PSA 8
$30.71
PSA 9
$30.71
PSA 10
$75.00
ACE 10
—
BGS 10 Black
$490.00
CGC 10 Pristine
$54.00
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Raw Price Trend
7d
+9.3%
30d
+9.3%
90d
-14.9%
180d
—
1y
+41.0%
2y
—
5y
—

Quick price facts

Corphish 18/54 from Rulers of the Heavens has a current raw market value of $2.34.

Current raw value
$2.34
PSA 9 value
$30.71
PSA 10 value
$75.00
Raw value 7d
+9.3%
Raw value 30d
+9.3%
PSA 10 premium vs raw
32.1× raw
View all cards from Rulers of the Heavens →
Collector Intel
32.1x
Raw → PSA 10
High-risk grade
13.1x
Raw → PSA 9
Grade multiplier
+9.3%
30d Price Move
Rising
Moderate
Price Stability
9.3% 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 32x the raw price. The expected value accounts for the realistic probability.
$2
Raw Price
$75
PSA 10 Value
+$73
Gross Premium (PSA 10)
before PSA fees
Grade Multiples vs Raw
PSA 9$3113.1x raw
PSA 10$7532.1x raw

Frequently asked questions

How much is Corphish #18 from Japanese Rulers of the Heavens worth?+
Corphish #18 from Japanese Rulers of the Heavens currently reads Raw: $2.34, PSA 9: $30.71, PSA 10: $75.00 in our aggregated recent-sales price guide. The guide is rebuilt nightly from sold-sales data across the major Pokémon TCG marketplaces, never asking prices.
Is Corphish #18 worth grading?+
The PSA 10 price of $75.00 is 32.1× the raw price of $2.34. Grading fees vary by card value and PSA service tier — see PSA's current fee page before submitting.
Where do PokePrices Corphish #18 prices come from?+
Raw, PSA 9 and PSA 10 figures come from our aggregated recent-sales price guide, rebuilt nightly from sold-sales data across the major Pokémon TCG marketplaces. The displayed values are guide numbers, not individual listings. PSA population data is sourced directly from PSA's public population reports. Asking prices are never used; only confirmed sales activity feeds the guide.