Cloyster

Generations · #20/83 · Uncommon · 2016

All 34 Cloyster cards ranked by value →
$0.29
Market price ▼ 12.1% (30d)
Prices as of Nov 6, 2026
HP 100WaterStage 1Art · Masakazu Fukuda
1graded pop
0%gem rate
113.3×PSA 10 vs raw
-87%off ATH $2.23 · Sep 2021
Market data

Printings & price history

Normal▼ 3.3% 7d$0.29
Low $0.10Mid $0.30

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Graded market

Graded values

PSA 10 report →updated 2026-11-06
Grade 6 est.$0.53
Grade 5 est.$0.45
Grade 4 est.$0.37
Grade 3 est.$0.31
Grade 2 est.$0.25
Grade 1 est.$0.21

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

PSA 10 price history$32.87

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

Graded population census · updated 2026-09-19

CGC1 graded · 0 gem 10

Population data from PriceCharting, updated monthly.

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Attacks

30Clamp Crush
Flip a coin. If heads, your opponent's Active Pokémon is now Paralyzed and discard an Energy attached to that Pokémon.
30×Spike Cannon
Flip 5 coins. This attack does 30 damage times the number of heads.

“Cloyster that live in seas with harsh tidal currents grow large, sharp spikes on their shells.”

How much is Cloyster #20/83 worth?

A raw copy of Cloyster #20/83 (Generations, 2016) is worth about $0.29 right now, based on the latest market data from November 6, 2026. Across the 2 printings we track, copies run anywhere from $0.10 to $29.99 depending on the version you're holding.

Grading changes the math on this one: a PSA 10 is valued around $32.87, roughly 113.3x the raw price, while a PSA 9 sits near $11.53. 2 copies have been graded to date, and 0% 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 Cloyster has moved over time.

Collecting Generations?Full master set guide — every card, chase list, and completion cost→