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Brock's Onix
Gym Heroes · #021
$16.46latest TCGplayer median
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Price history (TCGplayer median, ~180 days)
About Brock's Onix #021's market value
Brock's Onix #021 (1st Edition, Rare) from Gym Heroes (2000) has a market price of $16.46 raw as of September 20, 2026, the TCGplayer market price for this exact printing. It sits well above the set's median card ($5.41), ranking #68 of 264 priced printings. Over the last 30 days the price has climbed (+10.2%). Its 180-day range is $12.88 to $16.46 — it is trading near the top of that range.
Graded copies of Brock's Onix sell for more than raw. A PSA 10 has a recent sale median of $496.93, about 30× the raw price (1 recent sale) — thin data, treat as indicative. PSA 9 copies go for around $24.99, about 1.5× the raw price (1 recent sale) — thin data, treat as indicative. Other grades we track: ACE 8 at $20.49, CGC 9 at $15.00, PSA 8 at $12.50. Graded medians come from recent eBay sold listings and refresh daily.
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- The Rocket's Training Gym #104$17.15