Koffing (Secret) 243/236 Price – Cosmic Eclipse

Koffing (Secret) 243 from Cosmic Eclipse

#243 · Cosmic Eclipse

Raw price today$37.86

▼ 0.5% this week

PSA 10$470.99

PSA 9$70.02

HOLDLeaning positive (the set is old enough that sealed supply is drying up), but not strong enough for a BUY yet.

Where to buy KoffingBuy raw on TCGplayerMarket price $37.86PokeInsider earns a commission when you buy through these links, at no extra cost to you.

HOLD

PokeInsider signal

Why it’s a HOLD

SELLHOLDBUY

▲Older set (2+ years): less sealed supply

A rules-based read of this card’s raw price trend, updated daily. How signals work · Market data, not financial advice.

Worth grading? Likely yesYou break even if about 2% of copies come back a PSA 10 ($470.99, 12.4x raw) at the $39.99 PSA fee.

Check if it’s worth grading →View my collection →

Prices updated Oct 30, 2026. Raw: TCGplayer Near Mint market price. Graded: PriceCharting sold prices.

Koffing (Secret) (243/236) from Cosmic Eclipse is a Secret Rare. It sells for about $37.86 raw and $470.99 in a PSA 10. The raw price is down 0.5% over the last 7 days and down 3.1% over 30 days.

It is the 39th most valuable of the 45 Cosmic Eclipse cards we track, just behind Flygon GX (Secret) ($38.54) and ahead of Naganadel & Guzzlord GX (Secret) ($36.38). The set’s most valuable card is Arceus & Dialga & Palkia GX (Alternate Full Art) ($572.09). Among the 228 Secret Rare cards on PokeInsider, it ranks 187th by raw price.

Koffing price today

Raw$37.86Near Mint

PSA 9$70.021.8× raw

PSA 10$470.9912× raw

BGS 10$612.0016× raw · Pristine

CGC 10$99.802.6× raw

Raw price change

24 hours▼ -0.7%

7 days▼ -0.5%

30 days▼ -3.1%

Koffing price chart

30 days90 days

90-day high$39.47

90-day low$36.60

90-day average$38.18

Today vs. high4% below

Raw Near Mint market price on TCGplayer, one point per day.

Grading math

A PSA 10 sells for 12.4x the raw price. A PSA 9 sells for $70.02, 1.8x raw.

Buying a raw copy at $37.86 and paying $39.99 to grade it (PSA Value, for cards valued up to $500), you break even if roughly 2% of your copies come back a PSA 10 (counting the rest at PSA 9 value). Grading fees and gem rates vary; this is a rough guide, not a guarantee.

Run the numbers for Koffing in our grading calculator (your own cost, gem rate, tier and fees).