GuardianTCG
| Period | Change |
|---|---|
| 24h | -5.2% |
| 7d | +0.5% |
| 30d | -6.3% |
| 90d | -2.9% |
| 180d | +90.2% |
| Grade | Price | 7d | 30d |
|---|---|---|---|
| Raw | $10.12 | – | – |
PSA 10 Gem Rate: 0.2% (115 total graded)
Track Brock's Onix (21) price trends, view grading values, and get market alerts on Guardian TCG. Updated daily with data from multiple sources.
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Misty (18) — $168.46Pokemon cards priced near $12.42:
Brock's Onix (21) from Gym Heroes is currently worth $12.42 in 2026. The price has changed +0.5% over the last 7 days. Prices are updated daily from multiple sources.
Brock's Onix (21) is a Rare card from the Gym Heroes set in Pokemon. 115 copies have been graded by PSA.
Brock's Onix (21) has increased 0.5% in the last 7 days and decreased 6.3% in 30 days. Current Guardian Estimate: $12.42.
115 copies of Brock's Onix (21) have been submitted to PSA for grading. The PSA 10 gem rate is 0.2%.
You can compare prices and buy Brock's Onix (21) on TCGPlayer, eBay, and CardMarket. Guardian TCG tracks live prices from all three sources — current Guardian Estimate: $12.42.
Brock's Onix (21) from Gym Heroes is currently worth $12.42 in 2026. The price has changed +0.5% over the last 7 days. Prices are updated daily from multiple sources.
Brock's Onix (21) is a Rare card from the Gym Heroes set in Pokemon. 115 copies have been graded by PSA.
Brock's Onix (21) has increased 0.5% in the last 7 days and decreased 6.3% in 30 days. Current Guardian Estimate: $12.42.
115 copies of Brock's Onix (21) have been submitted to PSA for grading. The PSA 10 gem rate is 0.2%.
You can compare prices and buy Brock's Onix (21) on TCGPlayer, eBay, and CardMarket. Guardian TCG tracks live prices from all three sources — current Guardian Estimate: $12.42.