Grade Matrix
Graded
PSA 6
$10
Grade 7 guide
$23
Grade 8 guide
$29
PSA 9
$194
PSA 10
$455
PSA 10: PriceCharting · last PSA 10 sale $450.00 on Jun 3, 2026 · checked Oct 26, 2026
PSA 9: Median of 2 PSA 9 sales in the last 90 days, latest 2026-10-18. Grade 9 guide (all graders): $88.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
CGC
CGC 8
-
CGC 9
-
CGC 10
$47
CGC P10
-
Availability
Availabilityi
6/10G: 3/y
Graded: ~3 sales/yr (extremely low) · Sales per year: ~188 sales/yr · Recent sales: 3 PSA 10 comps · Raw recent sales: 60 · Grade 9 recent sales: 30 · PSA 10 recent sales: 10 · 14 NM depth refiner · Graded copies: 173 · PSA-10 delta 1.1%
TCGplayer Price History
HolofoilProduct 121129Fetched Oct 21, 3:45 AM
Weekly market
$1.43
week ending Oct 20
Weekly avg sale
$1.24
week ending Oct 20
Units sold (week)
5
week ending Oct 20
Card Value FAQ
How much is Ampharos (Steam Siege #40) worth?
GemDelta shows Ampharos (Steam Siege #40) at $1.38 market price (TCGplayer market). Its Delta multiple is 330x.
How much is a PSA 10 Ampharos (Steam Siege #40) worth?
A PSA 10 Ampharos (Steam Siege #40) is currently shown at $455. GemDelta labels this as a PriceCharting guide fallback rather than verified recent sales.
Is Ampharos (Steam Siege #40) worth grading?
GemDelta records a 13.3% gem rate for Ampharos (Steam Siege #40), with 23 PSA 10 copies out of 173 total PSA grades and a 330x Delta. That describes the grading profile; it is not financial advice.
PSA 10 Recent sales
| Date | Listing | Sale |
|---|---|---|
| Jun 3, 2026 | 2016 POKEMON XY STEAM SIEGE #40 AMPHAROS-HOLO PSA 10 #40 | $450.00 |
| May 22, 2026 | 2016 Pokemon XY Steam Siege Ampharos Holo #40 PSA 10 - GEM MINT! | $470.00 |
| May 20, 2026 | 2016 POKEMON XY STEAM SIEGE #40 AMPHAROS-HOLO STEAM SIEGE PSA 10 | $455.00 |