Koffing (Secret) 243/236

SM - Cosmic Eclipse • Secret Rare • Holofoil

All 86 printings from $0.07 →

Sold $33.90–$40.80 this week

6 NM sales this week · 39 in 30 days

TCGplayer market $37.87as of Oct 31, 2026↓ -$0.19 (-0.5%) this week

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Selling it? At market it nets about $32.49 on TCGplayer or $32.10 on eBay after fees. Where to sell and the fee calculator →

Sales & Velocity

As of 2026-10-30

Listings are below the recent sold range

Sold (7d / 30d)

10 / 62

NM sold between (7d)

$33.90–$40.80

Cheapest listing

$29.99

Units sold per day, Sep 10–Oct 30 (Near Mint)

Units sold per day, Near Mint
Date	Units sold	Sold between
Sep 10	1	$48.00–$48.00
Sep 12	1	$39.03–$39.03
Sep 13	1	$38.75–$38.75
Sep 14	1	$35.00–$35.00
Sep 15	1	$38.00–$38.00
Sep 17	1	$38.49–$38.49
Sep 22	2	$39.17–$41.13
Sep 24	2	$36.00–$44.99
Sep 26	2	$37.00–$44.99
Sep 28	1	$37.00–$37.00
Sep 30	2	$36.95–$39.45
Oct 1	3	$33.36–$40.00
Oct 3	1	$37.01–$37.01
Oct 4	2	$36.50–$37.01
Oct 6	2	$37.01–$38.74
Oct 7	1	$37.01–$37.01
Oct 9	5	$37.00–$50.00
Oct 10	2	$36.99–$37.01
Oct 13	3	$37.00–$44.26
Oct 14	2	$35.41–$37.00
Oct 16	2	$37.00–$37.01
Oct 17	1	$36.99–$36.99
Oct 19	4	$36.99–$36.99
Oct 20	1	$35.98–$35.98
Oct 22	2	$35.35–$40.57
Oct 23	2	$36.62–$40.57
Oct 26	1	$40.57–$40.57
Oct 27	1	$34.89–$34.89
Oct 29	2	$33.90–$34.89
Oct 30	2	$34.14–$40.80

Condition	Sold 7d	Sold 30d
Damaged	1	2
Heavily Played	1	3
Lightly Played	2	12
Moderately Played	0	6
Near Mint	6	39

Sales data: TCGplayer

Quick answers

How much is Koffing (Secret) 243/236 worth?

As of October 31, 2026, Koffing (Secret) 243/236 from SM - Cosmic Eclipse has a TCGplayer market price of $37.87. 6 Near Mint copies sold on TCGplayer this week at $33.90 to $40.80.

Is Koffing (Secret) 243/236 going up or down in price?

Its TCGplayer market price is down 3.1% over the past 30 days and down 0.5% over the past week, as of October 31, 2026.

Is Koffing (Secret) 243/236 worth grading?

A PSA 10 sells for about $580.03 on eBay, against a raw TCGplayer market price of $37.87. After buying the raw card, about $29.00 to grade and ship, and a 13% eBay selling fee, a PSA 10 would net about $437.76. At these prices grading looks worthwhile, if the card can get a 10.

How can I track the price of Koffing (Secret) 243/236?

Set a free price alert on this page: enter your email and a target price, and The Lab TCG emails you when the TCGplayer market price falls to it. Prices are checked every night, and no account is needed.

Price Snapshot

Market

$37.87

Low

$29.99

Mid

$39.57

High

$250.00

7-Day:-$0.19 (-0.5%)

30-Day:-$1.21 (-3.1%)

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 price	Price	Usually means
50%	$18.94	Cash buylist, low end
60%	$22.72	Cash buylist, typical
70%	$26.51	Buylist top end, store credit
80%	$30.30	Bulk lot or quick sale
90%	$34.08	Quick sale, just under market
100%	$37.87	Market price
110%	$41.66	Asking price, room to negotiate
120%	$45.44	Asking price, room to negotiate
150%	$56.81	Presale and hype pricing

Your price (USD)

$

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 · 60 HP · Psychic

1Poison Gas10
Your opponent's Active Pokémon is now Poisoned.

Ability — Blow-Away Bomb
Once during your turn (before your attack), if this Pokémon is discarded by the effect of Roxie, put 1 damage counter on each of your opponent's Pokémon. (Apply the effect of Roxie first.)

Weakness Px2 · Resistance None · Retreat 1

Where to Buy

TCGPlayerRaw$37.87Raw copies, condition graded by the marketplace

Buy Now

eBayPSA 10$580.03graded slab comps, not the raw card

Raw listings PSA listings

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.

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Graded Prices

PSA 10

$580.03

PSA 9

$84.00

PSA 8

$52.99

Raw → PSA 9 premium: +$46.13 (+121.8%)

Should you grade it?

Worth grading

Net if it 10s

+$437.76

ROI

+654.6%

From $37.87 raw to $580.03 in a PSA 10, after ~$25 grading, tracked shipping, and eBay fees. Grades below 10 return less, and most cards need a realistic 10 to profit. Not financial advice.