Corphish

Rulers of the Heavens · #18/54 · Common · 2003JPN

All 37 Corphish cards ranked by value →
$4.33
1st Edition · Market price ▼ 22.0% (30d)
Prices as of Nov 10, 2026
12graded pop
50%gem rate
16.2×PSA 10 vs raw
Market data

Printings & price history

1st Edition▲ 0.0% 7d$4.33
Low $2.19Mid $2.27High $2.35

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Graded market

Graded values

PSA 10 report →updated 2026-11-10
Grade 6 est.$4.11
Grade 5 est.$3.46
Grade 4 est.$2.86
Grade 3 est.$2.38
Grade 2 est.$1.95
Grade 1 est.$1.65

Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.

1st Edition · PSA 10 price history$107.41

PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.

Graded population census · updated 2026-09-18

1st Edition
CGC4 graded · 0 gem 10
PSA2 graded · 1 gem 10

Population data from PriceCharting, updated monthly.

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How much is Corphish #18/54 worth?

Right now (November 10, 2026) the going rate for an ungraded Corphish #18/54 from Rulers of the Heavens is about $4.62. Across the 2 printings we track, copies run anywhere from $2.19 to $3.77 depending on the version you're holding.

Grading changes the math on this one: a PSA 10 is valued around $75.00, roughly 16.2x the raw price, while a PSA 9 sits near $30.71. 7 copies have been graded to date, and 57% of them came back a 10 — worth knowing before you pay grading fees.

We update this valuation every night from live market data and verify it against real completed sales — see the chart above for how Corphish has moved over time.

Collecting Rulers of the Heavens?Full master set guide — every card, chase list, and completion cost→