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BROCK'S ONIX #021/132
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Brock's Onix (21)
Brock's OnixBrock's Onix
021/132
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Gym Heroes2000
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Graded Cap$9.3K
PSA 10$325
Raw NM$11
$325Pop 22
Gym Heroes2000
Price & Volume History
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Market
Last Sale
$238
42 days ago
Price Estimate
$325
MODELED
At all-time high
On eBay · Lowest PSA 10 Buy It Now
See listings ↗
Price Confidence:Modeled · Set
Sales
Sales
2026-09-26$238
2026-07-03$389
2026-03-14$132
2026-01-06$122
2025-05-22$90
Sales
11 sales · Nov 15 2021 – Sep 26 2026
2026-09-26$238eBay
2026-07-03$389eBay
2026-03-14$132eBay
2026-01-06$122eBay
2025-05-22$90eBay
2025-02-02$80eBay
2024-09-09$96eBay
2023-11-27$70eBay
2022-10-08$45eBay
2022-01-01$37eBay
2021-11-15$104eBay
See live PSA 10 listings on eBay ↗
Grading
Snapshot
Key Metrics · Grading Activity
Percentile vs.
MetricValueSetEraAll
Value / CopyPSA 10 price divided by how many PSA 10 copies exist. Roughly: how much value rides on each perfect copy.$1543——
Gem RateOf every copy PSA has ever graded, the share that came back a perfect 10.17.1%365556
Gem Premium (10:9)How much more a PSA 10 costs than a PSA 9 of this card. 2.5× means the perfect copy sells for 2.5 times the near-perfect one.4.5×152220
Vs ExpectedThis card's price vs what you'd expect for a card with its PSA 10 population in its era. 9× means the market pays nine times what rarity alone explains — collector demand. Below 1× means it's cheaper than its scarcity suggests.0.2×322423
PSA10
22
PSA
Total: 129
Gem Rate: 17.1%
Cumulative Grading
129graded22PSA 10Apr 26Nov 26
All Grades
129 total graded · click to change view
▍ PSA
▍ Raw
▍ Other Grades
Related Cards
▍ Variants1
1st Edition
021/132
Brock's Onix (21)
PSA 10$727
NM$19
▍ Same Set2
1st Edition
069/132
Brock's Onix (69)
PSA 10$855
NM$11
Unlimited
069/132
Brock's Onix (69)
PSA 10$619
NM$1
▍ Same Pokémon7
COMMON
65/115
Onix
PSA 10$352
NM$1
COMMON
138/264
Onix
PSA 10$265
NM$0
COMMON
69/109
Onix
PSA 10$257
NM$2
COMMON
105/236
Onix
PSA 10$245
NM$0
COMMON
084/130
Onix
PSA 10$230
NM$1
Shadowless
056/102
Onix
PSA 10$222
NM$4
1st Edition
069/111
Onix
PSA 10$435
NM$6
eBay Listings
See live PSA 10 listings on eBay ↗