Gym Heroes · #21 · 2000

Market price: The going rate for an ungraded copy of this exact printing, from actual sales data — TCGplayer for USD, Cardmarket for EUR. Updated daily. · Unlimited: The regular print run of an early set — no edition stamp, many more copies. The affordable way to own a vintage print.
$11.30
up29% · 27dvia TCGplayer, updated Oct 13, 2026
Graded: Examined by a professional company, scored 1–10, and sealed in a labeled case. Graded copies trade at their own prices, grade by grade. PSA 10 $650 · PSA 9 $14.99 · CGC 10 $12.50
Set rank: Where this card's market price ranks among the priced cards in its set — #1 is the set's most valuable card. in Gym Heroes
What This Card Trades At
Raw: An ungraded card — no slab, no label, no official score. The market price is the raw benchmark. · Unlimited
$11.30 (TCGplayer Market price: The going rate for an ungraded copy of this exact printing, from actual sales data — TCGplayer for USD, Cardmarket for EUR. Updated daily.)
PSA: Professional Sports Authenticator, the biggest grading company. Grades 1–10; PSA 10 is Gem Mint, and PSA slabs are the easiest to price and sell.
CGC: Certified Guaranty Company, one of the big three graders. Grades 1–10, with a Pristine 10 above Gem Mint 10; CGC slabs often sell a little below PSA.
BGS: Beckett Grading Services, one of the big three graders. Grades 1–10 in half steps; a Black Label 10 is perfect on all four subgrades.
SGC: Sportscard Guaranty — a long-running grader with black-bordered slabs. Grades 1–10 in half steps; fewer Pokémon sales than the big three.
Latest sold prices As of (a date): The price in force on the day we last checked — not a sale that closed that day. Rows marked “sold” carry the real sale day.. PSA and CGC grade on the same 1–10 scale, but the market prices them differently — what grades mean →
Sold data via Card Hedge

We're checking eBay for live listings of this card — counts and asking prices land here within a day.
Browse eBay now →What it actually sells for
Our chart tracks TCGplayer's market price and the asking prices of live eBay listings — what sellers want, not what buyers paid. Completed sale prices live on eBay itself: see recent sold listings for this card →
Brock's Onix sits at $11.30 on TCGplayer today for the Unlimited printing.
Inside Gym Heroes, that ranks 34th out of 132 priced cards. (Sabrina's Gengar leads the set at $505.) Since we started tracking it on Feb 8, 2024, it's risen 213% — from $3.61 to $11.30. Over the last year it's climbed 75.5%, from $6.44 to $11.30. The 90-day move: up 30.9%, $8.63 to $11.30. Its highest point since we started tracking (February 2024) was $11.30 in October 2026; its lowest, $3.57 in February 2024. Today's price is the highest we've seen since February 2024. Over the last 30 days it's touched $11.30 at the top and $8.64 at the bottom. That's the Unlimited printing — the same card also trades as the 1st Edition at $17.21.
By Printing
By printing: Unlimited: The regular print run of an early set — no edition stamp, many more copies. The affordable way to own a vintage print. $11.30 · First edition: The very first print run, marked with a small “Edition 1” stamp on the card's left side. Far scarcer than the Unlimited run, and priced on its own. $17.21
TCGplayer prices each printing on its own — the Unlimited printing is the headline number on this page. Same card, same number — the print run or foil treatment is what changes.
Bind20
Cost: Fighting, Fighting
Flip a coin. If heads, the Defending Pokémon is now Paralyzed.
Tunneling
Cost: Fighting, Fighting, Fighting
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.
About $11.30 for an ungraded copy. That's the TCGplayer market price for the Unlimited printing, updated Oct 13, 2026. Graded copies in great shape usually sell for more. What grading means →
About $650 — the latest PSA 10 sold price we have, as of Oct 7, 2026. For comparison, an ungraded copy trades around $11.30 (TCGplayer market price). Sold data via Card Hedge.
Up about 31% over the last 3 months — from $8.63 to $11.30 (TCGplayer market price). Zoom out a whole year and it's up 76%. Prices move a little every day, so the chart on this page has the freshest line.
The highest market price we've logged is $11.30 — that was October 2026. We've been writing this card's price down since February 2024, so that's the record on our watch, not an all-time record.
eBay is the easiest place — this page links straight to the live listings for Brock's Onix (Gym Heroes #21). Check the photos and the seller's rating first. That's the rule.
Cards trading near $11.30 today.