Onix cards

29 cards · 27 sets

Onix appears on 29 cards across 27 tracked sets, at very different values. The most valuable is Onix (#3/18, Southern Islands), estimated at $48–$65. Cards are ordered by estimated market value; the collector number printed on the card tells the versions apart.

Prices update daily · as of September 15, 2026 · estimates, not financial advice

Evolution line: value by stage

Each stage shown with its most valuable card. Steelix carries the line's top card at $290–$390 (est.).

Onix

29 cards

$48–$65top card (est.)

→

Steelix

29 cards

$290–$390top card (est.)

Every Onix card by value

All 291 1511 Aquapolis1 Base Set1 Base Set 21 Battle Styles1 Celestial Storm1 Cosmic Eclipse1 Diamond & Pearl1 Evolutions1 FireRed & LeafGreen1 Fusion Strike2 Gym Heroes1 Hidden Fates1 Legendary Collection1 Lost Thunder1 Mega Evolution1 Neo Genesis1 Paradox Rift1 Plasma Freeze1 Pokémon GO1 Sandstorm1 Southern Islands1 Stormfront1 Team Rocket Returns1 Unified Minds2 Unleashed1 Unseen Forces

Onix

#3/18 · Southern IslandsCommon

$48–$65market price (est.)

+3.8%

Brock's Onix

#21/132 · Gym HeroesRare

$8–$10market price (est.)

steady

Onix

#98/147 · AquapolisCommon

$7–$9market price (est.)

steady

Onix GX

#36/68 · Hidden FatesUltra Rare

$3–$4market price (est.)

+0.3%

Onix

#42/112 · FireRed & LeafGreenUncommon

$2–$4market price (est.)

-1.2%

Brock's Onix

#69/132 · Gym HeroesCommon

$1–$2market price (est.)

-15%

Onix

#69/111 · Neo GenesisCommon

about $1market price (est.)

-0.7%

Onix

#84/130 · Base Set 2Common

$0.90–$1market price (est.)

+0.8%

Onix

#69/109 · Team Rocket ReturnsCommon

$0.80–$1market price (est.)

-1.5%

Onix

#56/102 · Base SetCommon

$0.80–$1market price (est.)

+5.3%

Onix

#71/100 · SandstormCommon

$0.80–$1market price (est.)

steady

Onix

#65/115 · Unseen ForcesCommon

$0.70–$1market price (est.)

-0.8%

Onix

#61/116 · Plasma FreezeUncommon

under $1market price (est.)

Onix

#84/110 · Legendary CollectionCommon

under $1market price (est.)

Onix

#56/95 · UnleashedCommon

under $1market price (est.)

steady

Onix

#69/100 · StormfrontCommon

under $1market price (est.)

Onix

#109/214 · Lost ThunderCommon

under $1market price (est.)

Onix

#92/130 · Diamond & PearlCommon

under $1market price (est.)

Onix

#57/95 · UnleashedCommon

under $1market price (est.)

Onix

#71/168 · Celestial StormCommon

under $1market price (est.)

Onix

#103/236 · Unified MindsCommon

under $1market price (est.)

Onix

#105/236 · Cosmic EclipseCommon

under $1market price (est.)

Onix

#095/165 · 151Uncommon

under $1market price (est.)

Onix

#61/108 · EvolutionsCommon

under $1market price (est.)

Onix

#138/264 · Fusion StrikeCommon

under $1market price (est.)

Onix

#036/78 · Pokémon GOCommon

under $1market price (est.)

Onix

#68/163 · Battle StylesCommon

under $1market price (est.)

Onix

#070/132 · Mega EvolutionCommon

under $1market price (est.)

Onix

#090/182 · Paradox RiftCommon

under $1market price (est.)