Corphish

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

$5.25

1st Edition · Market price ▲ 21.2% (30d)

Prices as of Aug 14, 2026

Unlimited 1st Edition

18graded pop

39%gem rate

14.3×PSA 10 vs raw

-12%off ATH $2.80 · Feb 2025

Market data

Printings & price history

1st Edition▲ 21.2% 7d$5.25

Low $2.00Mid $3.00High $4.33

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Graded market

Graded values

updated 2026-08-14

Grade 6 est.$1.76

Grade 5 est.$1.48

Grade 4 est.$1.22

Grade 3 est.$1.02

Grade 2 est.$0.83

Grade 1 est.$0.70

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

1st Edition · Ungraded price history$1.85

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

Graded population census · updated 2026-07-08

1st Edition

CGC4 graded · 0 gem 10

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PSA2 graded · 1 gem 10

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Population data from PriceCharting, updated monthly.

How much is Corphish #18/54 worth?

Right now (August 14, 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 $1.99 to $4.33 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 $36.23. 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→