Brock's Onix — Market Price & Analytics

Brock's Onix is currently worth $6.89 on the Pokémon TCG market. It is a Rare card from Gym Heroes (#21). 30-day price change: +0.3%.

PSA Grading Population for Brock's Onix

Total PSA graded: 413. PSA 10 (Gem Mint) population: 75. Gem rate: 18.2%. PSA 10 market price: $121.50. Grading premium: 1663% over raw price.

What is the market value of Brock's Onix?

The current market price for a raw (ungraded) Brock's Onix is $6.89. A PSA 10 graded copy is worth $121.50.

How rare is Brock's Onix from Gym Heroes?

Brock's Onix has a rarity of Rare in the Gym Heroes set. Only 18.2% of PSA submissions receive a Gem Mint 10 grade, with 75 copies in the PSA 10 population out of 413 total graded.

Last updated: 2026-06-12T18:45:43.205Z