Skip to content
Lab TCG

Onix 42/112

Onix

EX FireRed & LeafGreen • Uncommon • Reverse Holofoil

All 93 printings from $0.06 →

Sold $25.25–$39.99 (Oct 6, 2 sales)

2 NM sales this week · 3 in 30 days

TCGplayer market $27.78as of ↑ +$4.83 (+21.0%) this week

We may earn a commission on these links, at no cost to you.

One email when it hits. Free, no account needed.

Selling it? At market it nets about $23.44 on eBay or $23.75 on TCGplayer after fees. Where to sell and the fee calculator →

Sales & Velocity

As of 2026-10-10

Thin market: fewer than 5 sales in the last 7 days

Sold (7d / 30d)
2 / 6
NM sold between (7d)
$25.25–$39.99
Cheapest listing
$19.42
Units sold per day, Aug 8–Oct 6 (Near Mint)
Units sold per day, Near Mint
DateUnits soldSold between
Aug 81$22.99–$22.99
Sep 281$22.90–$22.90
Oct 62$25.25–$39.99
ConditionSold 7dSold 30d
Damaged00
Lightly Played02
Moderately Played01
Near Mint23
Heavily Played00

Sales data: TCGplayer

Quick answers

How much is Onix 42/112 worth?

As of October 10, 2026, Onix 42/112 from EX FireRed & LeafGreen has a TCGplayer market price of $27.78. 2 Near Mint copies sold on TCGplayer this week at $25.25 to $39.99.

Is Onix 42/112 going up or down in price?

Its TCGplayer market price is up 20.8% over the past 30 days and up 21.0% over the past week, as of October 10, 2026.

Price Snapshot

Market
$27.78
Low
$19.42
Mid
$41.20
High
$499.72
7-Day:+$4.83 (+21.0%)
30-Day:+$4.79 (+20.8%)
2026-10-03
2026-10-10
$28.63$27.21$25.79$24.37$22.95Oct '26
TCG Current
$27.78
Change
+$4.83 | +21.0%
Low
$22.95
High
$28.63

Percent of Market

Buying? See what a price is as a share of market. Selling? Start at market and read down to a buylist offer or up to an asking price.

% of Market pricePriceUsually means
50%$13.89Cash buylist, low end
60%$16.67Cash buylist, typical
70%$19.45Buylist top end, store credit
80%$22.22Bulk lot or quick sale
90%$25.00Quick sale, just under market
100%$27.78Market price
110%$30.56Asking price, room to negotiate
120%$33.34Asking price, room to negotiate
150%$41.67Presale and hype pricing
$

Type what you are being asked to pay, or what you plan to list at.

Market price is the TCGplayer market price. TCGplayer Low is the lowest listed near-mint price at the last snapshot. Definitions

Card text

Basic Pokémon · 80 HP · Fighting

  • FRock Throw10
  • 1Tunneling

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

Weakness W · Resistance None · Retreat 3

Where to Buy

TCGPlayerRaw$27.78Raw copies, condition graded by the marketplace
Buy Now
eBayRaw listings and graded slabs

TCGplayer for raw copies (condition is graded by the marketplace, not the seller). eBay for more listings and slabs. Links may earn us a commission at no cost to you.

Protect this card

Code THELAB takes 10% off at BCW
  • Sleeve + toploader combo
    Sleeve first, then the rigid holder. Standard for anything you might sell.
    Shop BCW

We use these ourselves. BCW links are affiliate links; the code works whether or not you click through.

Graded Prices

No graded comps for this card yet. Pull the current PSA/BGS listings from eBay.

Other printings of Onix

See all 93 printings →
Onix 070/132, Mega Evolution · CommonBuy on TCGplayer
Onix 070/132
Mega Evolution · Common
$0.13
price history
Onix 070/132, Mega Evolution · CommonBuy on TCGplayer
Onix 070/132
Mega Evolution · Common
$0.26
price history
Onix 010/034, Trading Card Game Classic · Classic CollectionBuy on TCGplayer
Onix 010/034
Trading Card Game Classic · Classic Collection
$10.25
price history
Onix 090/182, Paradox Rift · CommonBuy on TCGplayer
Onix 090/182
Paradox Rift · Common
$0.10
price history
Onix 090/182, Paradox Rift · CommonBuy on TCGplayer
Onix 090/182
Paradox Rift · Common
$0.13
price history
Onix 095/165, Scarlet & Violet 151 · UncommonBuy on TCGplayer
Onix 095/165
Scarlet & Violet 151 · Uncommon
$0.22
price history
Onix 095/165, Scarlet & Violet 151 · UncommonBuy on TCGplayer
Onix 095/165
Scarlet & Violet 151 · Uncommon
$1.44
price history
Onix 036/078, Pokemon GO · CommonBuy on TCGplayer
Onix 036/078
Pokemon GO · Common
$0.13
price history
Onix 036/078, Pokemon GO · CommonBuy on TCGplayer
Onix 036/078
Pokemon GO · Common
$0.46
price history
Onix 138/264, Fusion Strike · CommonBuy on TCGplayer
Onix 138/264
Fusion Strike · Common
$0.19
price history
Onix 138/264, Fusion Strike · CommonBuy on TCGplayer
Onix 138/264
Fusion Strike · Common
$0.25
price history
Onix 068/163, Battle Styles · CommonBuy on TCGplayer
Onix 068/163
Battle Styles · Common
$0.13
price history

Other cards in EX FireRed & LeafGreen

View full set →