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Brock's Onix

Brock's Onix

Gym Heroes · #21 · Rare

$12.56US · TCGplayer
$8.45EU · Cardmarket
+3%7-day (EU)
+10%30-day (EU)
RareRarity
#48 of 132Rank in set

Price detail

Market read: flat this week; notably pricier in the US.

TCGplayer (US) (1stEdition)

TierUSD
Low$8.66
Market$12.56
Mid$19.99
High$4,321

Cardmarket (EU)

MetricEUR
Trend€7.82
Avg 1-day€4.95
Avg 7-day€7.57
Avg 30-day€7.14
Low€1.50

FAQ

How much is Brock's Onix (Gym Heroes #21) worth?

As of our 2026-06-12 data, Brock's Onix from Gym Heroes is worth about $12.56 (TCGplayer US market) and around €8.45 (Cardmarket EU). Prices move constantly — check the live links before buying or selling.

Is Brock's Onix rare?

Its rarity is listed as Rare and it ranks #48 of 132 by value in Gym Heroes. Rarity is the printed classification — it does not by itself guarantee value.

What's the most valuable card in Gym Heroes?

By current US market price, it's Sabrina's Gengar at $601.

Is Brock's Onix's price going up or down?

On the Cardmarket (EU) trend it's +3% over 7 days, +10% over 30 days. That's an early momentum signal, not a guarantee — collectible prices are volatile and can reverse quickly.

Where can I check Brock's Onix's live price?

See the current TCGplayer (US) market price here: Brock's Onix on TCGplayer ↗.

Near it by value in Gym Heroes

Blaine's Growlithe
Blaine's Growlithe
Gym Heroes
$14.39
Sabrina's Venomoth
Sabrina's Venomoth
Gym Heroes
$13.73
Brock
Brock
Gym Heroes
$13.38
Misty's Goldeen
Misty's Goldeen
Gym Heroes
$12.61
Brock's Sandshrew
Brock's Sandshrew
Gym Heroes
$12.38
Charity
Charity
Gym Heroes
$12.22
Misty's Tentacool
Misty's Tentacool
Gym Heroes
$11.96
Sabrina's Slowbro
Sabrina's Slowbro
Gym Heroes
$11.81

Where to buy / check live price

Check price on TCGplayer ↗

Prices datamined 2026-06-12. The 7/30-day trend is Cardmarket (EU) — an early momentum signal, not a guarantee.