Onix FireRed & LeafGreen #42

Card #42 · Illustrated by Kouki Saitou

80 HPFightingPokémonBasic

Market value · ungraded

$18.43

2 sales · last 90 days · Fanatics + TCGplayer
Sold prices, not asking · Updated 5 July 2026
Confidence high · How we price →

What's your copy worth?

Not sure which condition? Grade it from a photo →

Estimated value · Near Mint

$18.43

Pro view — Trader plan and above

Buy from here

TCGplayerUS ebay Fanatics

9 different Onix printings exist — is this your card? FireRed & LeafGreen #42

Onix is a Uncommon Pokémon card from FireRed & LeafGreen (#42), illustrated by Kouki Saitou. It's a Basic Fighting-type Pokémon with 80 HP, weak to Water ×2. Its current blended market value is $18.43 ungraded. Prices are aggregated across marketplaces — raw and graded, updated daily and shown in your local currency.

Prices last updated 5 July 2026.

#6 most valuable Onix of 31 #75 most valuable in FireRed & LeafGreen of 116

Raw price by condition

Reverse Holofoil · live market via TCGplayer

NMNear Mint$18.43

LPLightly Played$17.18

MPModerately Played$9.61

HPHeavily Played$9.56

DMGDamaged$7.19

7-dayflat

30-dayflat

90-day▲ 13.8%

All-time high$18

All-time low$11

Other printingsNormal · $2.73

Price by variant

Reverse Holo$18

Normal$3

TCGplayer market price per printing — reverse holo, 1st edition and unlimited often differ sharply.

Graded prices

Ungraded (raw)$18.43

PSA graded price estimates by grade
Grade	Relative value	Price
PSA 9pop 53		$36$36–$36
PSA 8pop 29		$28$22–$28
PSA 5pop 6		$20$20–$20

“Sold” = median of real recent sold listings at that grade (eBay or Fanatics Collect — hover a badge to see which). Other figures are blended marketplace estimates. Confidence reflects source backing and price spread — not PSA-official values.

Price history · Raw

1 Aug 20231 Jul 2026

Latest

$2.78

Period high

$8.11

Period low

$2.00

Change

▲ 0.0%

Recent sold prices

Last sold price

$222

CGC 10 · 1 Jun 2026

Typical CGC 10

$192

Sales · last 90 days

How often it sells

Rarely sells

0 in last 30 days

CGC 102004 Pokemon Ex Fire Red & Leaf Green Reverse Holo Onix #42 CGC 10 GEM MINTWeekly Sunday Auction #228 · 1 Jun 2026$222 CGC 102004 Pokemon EX Fire Red & Leaf Green Reverse Holo Onix #42 CGC 10 GEM MINTWeekly Sunday Auction #223 · 27 Apr 2026$162 CGC 9.52004 Pokemon EX Fire Red & Leaf Green Reverse Holo Onix #42 CGC 9.5 MINT+Weekly Sunday Auction #214 · 23 Feb 2026$40

Real completed sale prices from Fanatics Collect — weekly and premier auctions plus marketplace Buy It Now sales, refreshed periodically. Grade read from the listing title.

Population across graders

Only 13% of 122 PSA-graded Onix copies are a gem-mint 10 (16 of 122) — the rest grade lower.

PSA122 gradedPSA 10 · 16 · 13% gem rate

Full grade breakdown (6 grades)

1016

953

829

711

CGC256 gradedCGC 10 · 106 · 41% gem rate

Full grade breakdown (5 grades)

10106

9.526

954

8.532

810

Real graded population from PSA, CGC & BGS — a lower gem rate means a Onix 10 is harder to pull.

Should you grade it?

−$53

Raw $18.43 → graded PSA 9 ≈ $35.76
after ~$70.35 grading fee → 1.9× the raw value

Target grade	Est. value	Grading fee	Net vs raw	Multiple
PSA 9	$35.76	$70.35	−$53	1.9×
PSA 8	$27.96	$70.27	−$61	1.5×

Net = graded value − raw value − grading cost (tier fee + ~$20 round-trip shipping), using PSA fees as of 2026-06-28; the paused PSA Value tier is excluded so this isn't overstated. Real outcome depends on the grade achieved; PSA 10 is best-case.

Best FireRed & LeafGreen cards to grade →Best Onix cards to grade →ROI calculator

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Where to buy

Available to buy nowLive on eBay

Check recent sold prices

eBay sold PriceCharting

Market dataCross-market spread, EU price, momentum & community buzz

Cross-market prices

39% spread

TCGplayer · cheapest$18

PriceCharting · dearest$26

Currently 39% cheaper on TCGplayer than PriceCharting. These are independent market prices for the same card — a wide gap can mean a buying opportunity. Informational only, not arbitrage advice.

Market signal

Momentum · 30dFlat 0%

Cross-marketMarkets disagree 39% gap

Derived from this card's 90-day price history, recent trend and cross-market price gap. Informational, not advice.

🔥 Trending in the community

#143 on the radar

Mentions this week1

Onix is one of the most-talked-about Pokémon right now across the Pokémon investing & TCG subreddits. See the hype radar →

Card text

Rock Throw10

Fighting

Tunneling

Fighting · Colorless

Choose up to 2 of your opponent's Benched Pokémon. This attack does 10 damage to each of them. (Don't apply Weakness and Resistance for Benched Pokémon.) Onix can't attack during your next turn.

Weakness Water ×2Retreat 3

About the Pokémon

Rock Snake PokémonGEN IOnix → Steelix

It burrows through the ground at a speed of 50 mph while feeding on large boulders.

Card details

SetFireRed & LeafGreen →

Number#42

RarityUncommon

PokémonAll Onix cards →

GenerationGen I · Kanto →

ArtistKouki Saitou →

SupertypePokémon

SubtypesBasic

TypeFighting

HP80

WeaknessWater ×2

Retreat cost3

National Pokédex#95

Card IDex6-42

SourceAggregated marketplaces

Other Onix cards

There are 9 different Onix printings — make sure you're valuing the right one. This is FireRed & LeafGreen #42 (Uncommon).