Pokémon TCG · Gym Heroes · #21
Brock's Onix #21 price
Gym Heroes21Market prices
90-day range · TCGplayer
Brock's Onix (#21, Rare) is a card from Pokémon set Gym Heroes. Near Mint (1st Edition), it has a market price of about $17.36 on TCGplayer and €9.74 on Cardmarket (Unlimited Holo) (updated November 12, 2026). Over the last 7 days, its TCGplayer market price rose 0.0%. Over the last 30 days, its TCGplayer market price rose 0.9%. Over the last 90 days, its TCGplayer market price rose 23.8%. Its 90-day TCGplayer market price range is $14.51 to $17.36. Among the 23 Rare cards of Gym Heroes, it is the 15th most valuable.
Brock's Onix #21 prices by finish
| Finish | TCGplayer | Cardmarket |
|---|---|---|
| 1st Edition | $17.36 | – |
| Unlimited Holo | $11.65 | €9.74 |
Near Mint prices: TCGplayer market price, Cardmarket price trend, updated November 12, 2026.
Price changes by finish
| Finish | Price | 7 days | 30 days | 90 days | 90-day range |
|---|---|---|---|---|---|
| 1st Edition | TCGplayer market price | +0.0% | +0.9% | +23.8% | $14.51 – $17.36 |
| Unlimited Holo | TCGplayer market price | −0.7% | +5.1% | +31.5% | $8.64 – $11.73 |
Change of the same Near Mint price (same market, same finish) against 7, 30 and 90 days ago; range: its lowest and highest daily value over the last 90 days. Only where the price history supports a figure; lowest listings have none.
Price charts, graded prices from PSA, CGC, BGS, SGC, TAG and ACE, PSA population counts and recent sold listings are in Sparkl Pro.
About this card
- Set
- Gym Heroes
- Number
- 21
- Rarity
- Rare
- Finishes
- 1st Edition, Unlimited Holo
- Rank in its rarity
- 15th of 23 Rare cards
- Against its rarity’s median
- 0.9× the median ($19.42)
- Finish spread
- Unlimited Holo $11.65 to 1st Edition $17.36 (1.5×, TCGplayer)
- Cheapest printing
- Brock's Onix #69, Gym Heroes · $8.58
- Released
- October 14, 2000
- Print language
- English
- Character
- All Onix cards
How this page is made: Near Mint prices from TCGplayer and Cardmarket, refreshed daily; ranks, medians and comparisons are computed by Sparkl from those prices.
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Other Brock's Onix cards in Gym Heroes
- Brock's Onix#69 · Common · $8.58Open in Sparkl
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Next to Brock's Onix #21 in Gym Heroes
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