Onix

Southern Islands · #3/18 · 2001

All 74 Onix cards ranked by value →

$64.38

Market price ▲ 6.4% (30d)

Prices as of Nov 5, 2026

HP 90FightingBasicArt · Keiko Fukuyama

1,216graded pop

24%gem rate

16.8×PSA 10 vs raw

+$301.59EV to grade — worth it

Market data

Price history

Normal▲ 0.0% 7d

Low $51.99Mid $94.94

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Live listings

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Graded market

Graded values

PSA 10 report →updated 2026-11-05

Grade 6 est.$49.60

Grade 5 est.$41.77

Grade 4 est.$34.46

Grade 3 est.$28.72

Grade 2 est.$23.49

Grade 1 est.$19.84

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$1,080.50

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

Graded population census · updated 2026-09-17

PSA973 graded · 249 gem 10

12345678910

CGC243 graded · 41 gem 10

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Population data from PriceCharting, updated monthly.

Auction sale integrity

New

Graded sales for this card from public auctions, each checked for shill/relist patterns and prices that don’t match the market. How this works →

Clean price · CGC 10

$55.20

High confidence — 4 corroborating sales

Recent sale price by grade · tracked by cert number

PSA 9

$120.00

last $120.00 · Aug 3, 2026 · 1 sale

PSA 8

$78.00

last $78.00 · Sep 14, 2026 · 1 sale

CGC 10

$46.00

last $17.00 · Sep 28, 2026 · 6 sales

CGC 4

$24.00

last $24.00 · Aug 3, 2026 · 1 sale

CGC 4.5

$24.00

last $24.00 · Aug 3, 2026 · 1 sale

CGC 8

$21.50

last $33.00 · Sep 28, 2026 · 2 sales

CGC 5.5

$21.00

last $21.00 · Aug 17, 2026 · 1 sale

CGC 5

$18.00

last $18.00 · Aug 24, 2026 · 1 sale

Unconfirmed

CGC 10 · 7 bids · Sep 28, 2026

$17.00

Unconfirmed

CGC 8 · 13 bids · Sep 28, 2026

$33.00

Unconfirmed

CGC 9 · 4 bids · Sep 28, 2026

$9.00

Verified

CGC 8.5 · 4 bids · Sep 28, 2026

$14.00

Verified

CGC 8.5 · 5 bids · Sep 28, 2026

$13.00

Unconfirmed

CGC 9 · 4 bids · Sep 28, 2026

$9.00

Unconfirmed

CGC 8.5 · 5 bids · Sep 21, 2026

$52.00

Unconfirmed

CGC 7 · 2 bids · Sep 21, 2026

$7.00

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More Onix cards all 74 ranked by value →

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OnixVending Machine cards Series 2 (Red) · 2026$75.00

OnixAquapolis · 2003$8.28

OnixTeam Rocket Returns · 2004$1.09

OnixUnseen Forces · 2005$0.91

OnixSouthern Island · 1999$33.65

Attacks

20×Slam

Flip 2 coins. This attack does 20 damage times the number of heads.

40Body Slam

Flip a coin. If heads, the Defending Pokémon is now Paralyzed.

“This Pokémon burrows through the earth at high speed, looking for food. The tunnels it digs are used by Diglett as nests.”

How much is Onix #3/18 worth?

A raw copy of Onix #3/18 (Southern Islands, 2001) is worth about $64.38 right now, based on the latest market data from November 5, 2026.

Grading changes the math on this one: a PSA 10 is valued around $1,080.50, roughly 16.8x the raw price, while a PSA 9 sits near $175.03. 973 copies have been graded to date, and 26% of them came back a 10 — worth knowing before you pay grading fees.

These figures come from nightly market-data syncs verified against completed sales. Use the chart above to see the trend before you buy or sell.

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