Gym HeroesGym · 2000

Brock's Onix

#21Normal · UnlimitedUpdated Oct 26, 2026

TCGPlayer market

$11.43

Cardmarket: €9.69
PSA 10: $176.18
PSA 9: $29.61
PSA population: 127

Finish

Market prices

Ungraded prices from each marketplace we track, with sales activity where available.

SourcePriceSalesLast salePer weekSignal

TCGPlayer Market USD

$11.43

TCGPlayer Market

USD

$11.43

—

eBay Average USD

$9.91

14 sales0.0/weeklow confidence

eBay Average

USD

$9.91

14

—

0.0

low confidence

eBay Sold USD

$9.93

35 sales

eBay Sold

USD

$9.93

35

—

Cardmarket EUR

€9.69

Cardmarket

EUR

€9.69

—

Graded prices

Average sold price by grading company and grade.

GradeAverage sold price

Grade 10: $176.183 sold▼
Grade 9: $29.615 sold▲
Grade 8: $11.765 sold
Grade 7: $17.871 sold

Grader	10	9	8.5	8	7
PSA	$1763 sold▼	$29.615 sold▲	–	$11.765 sold	$17.871 sold
CGC	$41.313 sold	$15.743 sold	$11.324 sold▼	$13.293 sold	–
ACE	–	–	–	$20.491 sold	–

Population report

How many copies each grading company has graded, and at which grade.

PSA graded

127

17.3%

Gem rate

0

7

4

14

35

44

22

12345678910

Authentic 1Match confidence: high

Price by condition

Ungraded market price for each printing, from Near Mint down to Damaged.

Unlimited

NM

Near Mint

$11.33

LP

Lightly Played

$7.61

MP

Moderately Played

$6.02

HP

Heavily Played

$4.53

DM

Damaged

$3.58

Got Brock's Onix? Scan the rest of your binder.

Point your camera at a card and PokiFrame identifies it and pulls live prices in about a second — free for iPhone and Android.

Get the free app

About Brock's Onix

Brock's Onix is a Pokémon card (#21) from Gym Heroes, part of the Gym series, released in 2000.

An ungraded copy currently sells for about $11.43. A PSA 10 (Gem Mint) averages $176.18 — about 15.4× the raw price.

PSA has graded 127 copies, 22 of them at PSA 10 (a 17.3% gem rate). Fewer tens usually means a larger premium for a top-graded copy.

PokiFrame tracks Brock's Onix across TCGPlayer, Cardmarket and eBay sales so you can check its value before you buy, sell or trade.

Browse every Gym Heroes card →

Brock's Onix — common questions

How much is Brock's Onix worth?: Brock's Onix from Gym Heroes has a market price of $11.43 for an ungraded copy, based on current TCGPlayer and eBay sales data. Condition, print variant and grading all move that number.
What is a PSA 10 Brock's Onix worth?: Recent PSA 10 (Gem Mint) sales of Brock's Onix averaged $176.18, about 15.4× the ungraded price. A PSA 9 averaged $29.61.
How many PSA 10 Brock's Onix are there?: PSA has graded 127 copies of Brock's Onix, and 22 of them received a PSA 10 — a gem rate of 17.3%.

Market

$26.77