Grade Matrix
PSA
PSA 6
$17
PSA 7
$20
PSA 8
$33
PSA 9
$50
PSA 10
$700
PSA 10: 45-day PSA 10 sold-comp median
CGC
CGC 8
-
CGC 9
$49
CGC 10
$108
CGC P10
-
Availability
Availabilityi
6/10G: 52/y
Graded: ~52 sales/yr (medium) · Sales per year: ~319 sales/yr · Recent sales: 22 PSA 10 comps · Graded copies: 1,595 · PSA-10 delta 11.8%
TCGplayer Price History
HolofoilProduct 121232Fetched Sep 7, 3:48 AM
TCGplayer market
$18.46
Latest avg sale
$18.47
Units sold
472
Card Value FAQ
How much is Steelix EX (Steam Siege #108) worth?
GemDelta shows Steelix EX (Steam Siege #108) at $18.46 market price (TCGplayer market). Its Delta multiple is 42.5x.
How much is a PSA 10 Steelix EX (Steam Siege #108) worth?
A PSA 10 Steelix EX (Steam Siege #108) is currently shown at $700. GemDelta labels this as a 45-day PSA 10 sold-comp median.
Is Steelix EX (Steam Siege #108) worth grading?
GemDelta records a 22.9% gem rate for Steelix EX (Steam Siege #108), with 365 PSA 10 copies out of 1,595 total PSA grades and a 42.5x Delta. That describes the grading profile; it is not financial advice.
PSA 10 Recent sales
| Date | Sale |
|---|---|
| Aug 9, 2026 | $700.00 |
| Aug 2, 2026 | $750.00 |
| Jul 29, 2026 | $600.00 |
| Jul 24, 2026 | $699.00 |
| Jul 22, 2026 | $599.95 |
| Jul 21, 2026 | $550.00 |
| Jul 17, 2026 | $599.95 |
| Jul 17, 2026 | $686.67 |
| Jul 13, 2026 | $405.00 |
| Jul 12, 2026 | $425.00 |
| Jul 8, 2026 | $450.00 |
| Jun 22, 2026 | $397.63 |
Showing the latest 12 of 30 stored PSA 10 comps.