Brock's Onix

Gym Heroes

Set: Gym HeroesNumber: 21Updated 9/11/2026

Market price

$8.84

TCGPlayer

$8.84

eBay avg

$8.33

Variants

PSA 10

$56

PSA 9

$18

PSA 8

$24

Variant

Price History

In the app

Price movement over time is available in the PokiFrame app.

eBay Sold Prices

14 sales

Raw14 sales · $0.98–$5.94

$8.33

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Graded Prices

6 sales

Average sold prices by grading company. Grades run 1–10 — a 10 (Gem Mint) carries the biggest premium, with PSA, CGC, and BGS the most widely traded grades.

109.598.58

PSA

$56

1 sold

$18

2 sold

$24

1 sold

About Brock's Onix

Brock's Onix is card 21 from the Gym Heroes set. It is tracked in 2 print variants, each priced separately above.

The current TCGPlayer market price is $8.84. A PSA 10 (Gem Mint) copy recently averaged $56.18 — about 6.4× the ungraded price, showing how much professional grading can add to Brock's Onix's value.

PokiFrame aggregates this data from TCGPlayer, CardMarket, and eBay so you can confirm Brock's Onix's value before you buy, sell, or trade.

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Brock's Onix — common questions

How much is Brock's Onix worth?: Brock's Onix from Gym Heroes has a market price of $8.84 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 $56.18, about 6.4× the ungraded price. A PSA 9 averaged $17.63.