Gym Heroes

#21 · 2000 · 132 cards

Brock's Onix#21 · Gym Heroes

RarePokémonBasicFighting

Brock's Onix #21 from Gym Heroes is worth $13.15 in Near Mint condition (updated July 12, 2026). A PSA 10 copy sells for $314.68.

Market Price · Near Mint · Updated July 12, 2026

→ Stable

$13.15

▲ 3.8%+$0.4814d▲ 4.3%6m

eBay median$9.99-24% vs TCG

All-Time High

$13.15

Jul 2026

Prices by Condition

Condition	Market	vs NM	eBay Sold
Near Mint	$13.15	base	$9.99
Lightly Played	$10.69	-19%	—
Moderately Played	$8.37	-36%	—
Heavily Played	$6.35	-52%	—
Damaged	$4.99	-62%	—

~ estimated from NM using standard condition discounts · updated when marketplace data is available

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Price History

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Prices updated Jul 12, 2026

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Near Mint · Market

$13.15

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Recent market data · NM

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Graded Card Prices

SGC 9

$33.77

$33.77 – $33.77

+157% raw

PSA 10

$314.68

$80.00 – $405.00

+2293% raw

PSA 9

$54.25

$21.00 – $65.00

+313% raw

PSA 8

$41.04

$15.00 – $42.75

+212% raw

PSA 7

$23.80

$15.00 – $26.00

+81% raw

PSA 5

$8.99

$7.00 – $9.00

-32% raw

CGC 10

$70.29

$24.99 – $99.99

+435% raw

CGC 9

$9.93

$9.60 – $16.00

-24% raw

CGC 8.5

$10.00

$10.00 – $10.00

-24% raw

CGC 7

$18.00

$18.00 – $18.00

+37% raw

BGS 9

$15.00

$15.00 – $15.00

+14% raw

Full Price Guide: Brock's Onix #21 (Gym Heroes)

Ungraded + PSA / CGC / BGS grades

Condition	Market	eBay
Near MintMost common	$13.15	$9.99
Lightly Played	$10.69	—
Moderately Played	$8.37	—
Heavily Played	$6.35	—
Damaged	$4.99	—

Graded Prices

Grade	PSA	CGC	BGS	vs Raw
★ 10	$314.68	$70.29	—	+2293%
9	$54.25	$9.93	$15.00	+313%
8	$41.04	—	—	+212%
7	$23.80	$18.00	—	+81%

Live market prices · ~ estimated using standard condition discounts

Set Rank · Gym Heroes

#52of 132

Top 39%

$0.82$600.87

Card Details

Type

Pokémon

Stage

Basic

Attacks

FightingFighting

Bind

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

FightingFightingFighting

Tunneling

If your opponent has any Benched Pokémon, choose up to 2 of them. This attack does 20 damage to each of them. (Don't apply Weakness and Resistance for Benched Pokémon.) Brock's Onix can't attack during your next turn.

Weakness

Grass×2

Retreat Cost

ColorlessColorless

Illustrated by

Benimaru Itoh

Pokédex

#95

Common questions

How much is Brock's Onix #21 worth?

Brock's Onix #21 from Gym Heroes has a market price of $13.15 in Near Mint condition, last updated July 12, 2026. Prices refresh daily from live marketplace data.