Brock's Onix

Gym Heroes · #21/132 · Rare

$8.71

Market price ▲ 44.9% (1Y)

Printings & price history

21$8.71 1st Edition · 21$13.16

21▲ 1.6% 7d$8.71

Low $5.52Mid $8.46High $66.71

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Graded values

updated 2026-07-08

PSA 10 price history$285.00

PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.

How much is Brock's Onix #21/132 worth?

As of July 8, 2026, Brock's Onix #21/132 from Gym Heroes sells for around $8.71 in raw, ungraded condition. Across the 2 printings we track, copies run anywhere from $5.52 to $210.33 depending on the version you're holding.

Grading changes the math on this one: a PSA 10 is valued around $285.00, roughly 32.7x the raw price, while a PSA 9 sits near $42.20.

We update this valuation every night from live market data and verify it against real completed sales — see the chart above for how Brock's Onix has moved over time.

Other printings of Brock's Onix 3