Grade Matrix
Graded
PSA 6
-
Grade 7 guide
$15
Grade 8 guide
$19
PSA 9
$30
PSA 10
$1,066
PSA 10: 1 sale, last 45 days · Sep 20, 2026 · checked Oct 26, 2026
PSA 9: Median of 3 PSA 9 sales in the last 90 days, latest 2026-09-21. Grade 9 guide (all graders): $30.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
CGC
CGC 8
-
CGC 9
-
CGC 10
$99
CGC P10
-
Availability
Availabilityi
6/10G: —
Graded: insufficient data · Sales per year: ~204 sales/yr · Recent sales: 3 PSA 10 comps · Raw recent sales: 60 · Grade 9 recent sales: 10 · PSA 10 recent sales: 10 · Graded copies: 76 · PSA-10 delta 10.2%
TCGplayer Price History
HolofoilProduct 121009Fetched Oct 24, 3:45 AM
Weekly market
$1.20
week ending Oct 23
Weekly avg sale
$1.38
week ending Oct 23
Units sold (week)
2
week ending Oct 23
Card Value FAQ
How much is Infernape (Steam Siege #20) worth?
GemDelta shows Infernape (Steam Siege #20) at $1.26 market price (TCGplayer market). Its Delta multiple is 846x.
How much is a PSA 10 Infernape (Steam Siege #20) worth?
A PSA 10 Infernape (Steam Siege #20) is currently shown at $1,066, the only PSA 10 sale in the last 45 days (Sep 20, 2026).
Is Infernape (Steam Siege #20) worth grading?
GemDelta records a 17.1% gem rate for Infernape (Steam Siege #20), with 13 PSA 10 copies out of 76 total PSA grades and a 846x Delta. That describes the grading profile; it is not financial advice.
PSA 10 Recent sales
| Date | Listing | Sale |
|---|---|---|
| Sep 20, 2026 | 2016 Pokemon Steam Siege Infernape Holo #20 PSA 10 | $1065.95 |
| Aug 10, 2026 | 2016 POKEMON XY STEAM SIEGE #20 INFERNAPE-HOLO PSA 10 #20 | $810.00 |
| Aug 3, 2026 | 2016 POKEMON XY STEAM SIEGE #20 INFERNAPE-HOLO PSA 10 #20 | $1175.00 |
| May 17, 2026 | Pokemon Infernape XY Steam Siege Holo Rare #20 PSA 10 Gem Mint | $950.00 |