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Thin dataThis PSA 10 estimate rests on limited recent sales — treat it as a guide.
M Steelix-EX Steam Siege #109 PSA 10 Pokémon card
Rare Ultra

M Steelix-EX #109 PSA 10 Price

Steam Siege · #109

Market value · PSA 10

$271.00 32.7% · 30d
range $230$312
Confidencehigh confidence
PSA 10 sales · 90 days6
LiquidityHigh
Fair buy$230
Fair sell$312
ViewingPSA 10 (this page)Raw / ungraded →PSA 9
Gradevs rawValue
Raw NM$31
PSA 91.9× raw$59
PSA 10 (this page)8.9× raw$271

PSA 10 slabs for sale right now

Cert-verified PSA 10 price history

Q4 2017Q3 2026

Latest $300 (Q3 2026, 13 sales) · 971% since Q4 2017

Every point is the median of real cert-verified PSA 10 sales204 sales PSA tied to specific graded slabs, each with a public cert number you can check on psacard.com. Not a scraped price index.

Why $271? Cert-verified PSA 10 sales

These are the actual sales behind the price above — each one tied by PSA to a specific graded slab, not an estimate.

DateSold viaCertPrice
13 Aug 2026eBay#161841777$299
9 Aug 2026eBay · auction#76637691$251
4 Aug 2026eBay#43979536$300
1 Aug 2026eBay · offer#165936782$300
31 Jul 2026eBay · offer#55202475$305
30 Jul 2026eBay · auction#161841777$270

Click a cert number to verify the exact card, grade and serial on psacard.com.

Sale mix: 2 auctions, 2 accepted offers, 2 fixed-price. A PSA 10 copy trades roughly every 3 days (median gap between cert-verified sales).

PSA population

PSA has graded 674 copies of M Steelix-EX at PSA 10 out of 2,178 total PSA graded — a 31% gem (PSA 10) rate.

Is grading worth it — at the real gem rate?

If it gems (10)+$215
Expected value at 31% gem rate+$69

Buying raw at $31 and grading: a 10 nets ~$271, a 9 nets ~$59. At this card's real 31% gem rate, the expected outcome is +$69 after a ~$25 grading fee — assuming a clean copy that grades 9 or 10. Below-9 outcomes make it worse; a sharp eye for centering and surface is what beats these odds.

Frequently asked questions

How much is M Steelix-EX #109 worth in PSA 10?

A PSA 10 M Steelix-EX (Steam Siege #109) is worth about $271, typically 230–312, based on recent real sold prices.

Is it worth grading M Steelix-EX?

A PSA 10 sells for roughly 9× the raw price ($271 vs $31) — worth weighing against grading fees and the odds of a 10.

How many M Steelix-EX PSA 10 exist?

PSA has graded 674 copies of M Steelix-EX at PSA 10 out of 2178 total PSA graded.

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Other cards in Steam Siege

Cite this page

Free to use with attribution to CardTrack.

Citation
M Steelix-EX (Steam Siege #109) PSA 10 — Pokémon market value $271. Source: CardTrack, https://cardtrack.com/pokemon/card/steam-siege/m-steelix-ex-109/psa-10