How much is Brock's Onix worth?

A raw (ungraded) Brock's Onix from Gym Heroes is currently worth approximately $4.50 based on recent sales. A PSA 10 graded copy is valued at $493.94. PSA 9 copies average $24.99. Prices are based on completed sales across eBay, Goldin, and other marketplaces.

What is the PSA 10 price for Brock's Onix?

A PSA 10 graded Brock's Onix is currently valued at approximately $493.94 based on recent sales data.

What set is Brock's Onix from?

Brock's Onix is from the Gym Heroes set, card number 21.

Where can I buy Brock's Onix?

Brock's Onix listings from eBay, Goldin, and other marketplaces are tracked in real time on CardIndex at https://www.cardindex.co.

How many PSA 10 Brock's Onix exist?

According to PSA population data, there are 22 PSA 10 copies of Brock's Onix from Gym Heroes.

Brock's Onix #21 — Gym Heroes

Population

PSA120 graded

BGS3 graded

CGC68 graded

SGC2 graded

About Brock's Onix

Brock's Onix from the Gym Heroes set (#21) is a Pokemon trading card released in 2000. It has a rarity of Rare. Current fair market values for Brock's Onix are PSA 10: $493.94, PSA 9: $24.99, PSA 8: $10.50, Raw: $4.50. The most recent PSA 10 sale was $493.94 on July 4, 2026, with 12 sales tracked in the last 30 days. The most recent PSA 9 sale was $24.99 on July 25, 2025. A raw (ungraded) copy last sold for $4.50 on July 26, 2026. CardIndex has tracked 201 total sales across all grades for this card. There are currently 99 active listings for Brock's Onix.