Brock's Onix (21) 021/132

Gym Heroes • Rare • 1st Edition

All 8 printings from $1.17 →

Sold $16.99 (Oct 4)

1 NM sale this week · 5 in 30 days

TCGplayer market $17.13as of Oct 10, 2026↑ +$0.19 (+1.1%) this week

Buy on eBay or TCGplayer

We may earn a commission on these links, at no cost to you.

Add to portfolio

Selling it? At market it nets about $14.30 on eBay or $14.53 on TCGplayer after fees. Where to sell and the fee calculator →

Sales & Velocity

As of 2026-10-10

Thin market: fewer than 5 sales in the last 7 days

Sold (7d / 30d)

2 / 10

NM sold between (7d)

$16.99–$16.99

Cheapest listing

$8.66

Units sold per day, Aug 9–Oct 4 (Near Mint)

Units sold per day, Near Mint
Date	Units sold	Sold between
Aug 9	1	$18.98–$18.98
Aug 14	1	$19.99–$19.99
Aug 19	1	$27.98–$27.98
Aug 23	1	$16.99–$16.99
Sep 11	1	$21.40–$21.40
Sep 13	1	$21.40–$21.40
Sep 27	1	$21.00–$21.00
Sep 30	1	$17.74–$17.74
Oct 4	1	$16.99–$16.99

Condition	Sold 7d	Sold 30d
Lightly Played	0	4
Moderately Played	1	1
Near Mint	1	5
Damaged	0	0
Heavily Played	0	0

Sales data: TCGplayer

Quick answers

How much is Brock's Onix (21) 021/132 worth?

As of October 10, 2026, Brock's Onix (21) 021/132 from Gym Heroes has a TCGplayer market price of $17.13. 1 Near Mint copy sold on TCGplayer this week at $16.99.

Is Brock's Onix (21) 021/132 going up or down in price?

Its TCGplayer market price is up 7.7% over the past 30 days and up 1.1% over the past week, as of October 10, 2026.

Price Snapshot

Market

$17.13

Low

$8.66

Mid

$21.39

High

$210.15

7-Day:+$0.19 (+1.1%)

30-Day:+$1.22 (+7.7%)

Percent of Market

Buying? See what a price is as a share of market. Selling? Start at market and read down to a buylist offer or up to an asking price.

% of Market price	Price	Usually means
50%	$8.57	Cash buylist, low end
60%	$10.28	Cash buylist, typical
70%	$11.99	Buylist top end, store credit
80%	$13.70	Bulk lot or quick sale
90%	$15.42	Quick sale, just under market
100%	$17.13	Market price
110%	$18.84	Asking price, room to negotiate
120%	$20.56	Asking price, room to negotiate
150%	$25.70	Presale and hype pricing

Your price (USD)

$

Type what you are being asked to pay, or what you plan to list at.

Market price is the TCGplayer market price. TCGplayer Low is the lowest listed near-mint price at the last snapshot. Definitions

Card text

Basic Pokémon · 70 HP · Fighting

FFBind20
Flip a coin. If heads, the Defending Pokémon is now Paralyzed.
FFFTunneling
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 G · Retreat 2

Where to Buy

TCGPlayerRaw$17.13Raw copies, condition graded by the marketplace

Buy Now

eBayRaw listings

Raw listings

TCGplayer for raw copies (condition is graded by the marketplace, not the seller). eBay for more listings. Links may earn us a commission at no cost to you.