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Grade Matrix

Graded
PSA 6
-
Grade 7 guide
$17
Grade 8 guide
$29
PSA 9
$50
PSA 10
$363

PSA 10: Median of 8 sales, last 45 days · newest Oct 12, 2026 · checked Oct 26, 2026

PSA 9: Median of 3 PSA 9 sales in the last 90 days, latest 2026-10-12. Grade 9 guide (all graders): $42.

Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).

CGC
CGC 8
-
CGC 9
$7
CGC 10
$38
CGC P10
-

Availability

Availabilityi
6/10G: 52/y
Graded: ~52 sales/yr (medium) · Sales per year: ~249 sales/yr · Recent sales: 12 PSA 10 comps · Raw recent sales: 60 · Grade 9 recent sales: 25 · PSA 10 recent sales: 30 · Graded copies: 349 · PSA-10 delta 28.3%

TCGplayer Price History

HolofoilProduct 121195Fetched Oct 25, 3:45 AM
Weekly market
$6.72
week ending Oct 24
Weekly avg sale
$7.19
week ending Oct 24
Units sold (week)
15
week ending Oct 24

Card Value FAQ

How much is Yveltal BREAK (Steam Siege #66) worth?

GemDelta shows Yveltal BREAK (Steam Siege #66) at $7.05 market price (TCGplayer market). Its Delta multiple is 51.4x.

How much is a PSA 10 Yveltal BREAK (Steam Siege #66) worth?

A PSA 10 Yveltal BREAK (Steam Siege #66) is currently shown at $363, the median of 8 PSA 10 sales in the last 45 days (newest Oct 12, 2026).

Is Yveltal BREAK (Steam Siege #66) worth grading?

GemDelta records a 53.0% gem rate for Yveltal BREAK (Steam Siege #66), with 185 PSA 10 copies out of 349 total PSA grades and a 51.4x Delta. That describes the grading profile; it is not financial advice.

PSA 10 Recent sales

DateListingSale
Oct 12, 2026Yveltal Break 66/114 Steam Siege Pokemon PSA 10 Gem Mint 66/114$501.05
Oct 11, 2026Yveltal Break 66/114 Steam Siege Pokemon PSA 10 Gem Mint 66/114$501.05
Oct 8, 20262016 POKEMON XY STEAM SIEGE #66 YVELTAL BREAK PSA 10 #66$425.00
Oct 8, 2026Pokemon Yveltal 66/114 Break XY Steam Siege PSA 10 GEM MINT 66/114$450.00
Sep 25, 20262016 Pokemon XY Steam Siege Yveltal Break #66 PSA 10 Gem Mint #66$260.00
Sep 24, 20262016 POKEMON XY STEAM SIEGE #66 YVELTAL BREAK PSA 10 #66$290.00
Sep 24, 2026Pokemon TCG Yveltal Break Steam Siege Holo Rare Card 66/114 PSA 10 66/114$300.00
Sep 12, 2026Pokemon TCG Yveltal Break Steam Siege Holo Rare Card 66/114 PSA 10 66/114$299.00
Aug 24, 2026Pokemon Yveltal 66/114 Break XY Steam Siege PSA 10 GEM MINT 66/114$250.00
Aug 5, 2026Pokemon XY Steam Siege Yveltal BREAK 66 PSA 10 #66$374.00
Jul 24, 2026YVELTAL BREAK Steam Siege Holo Rare #66 PSA 10 Pokemon [Nostalgium]$200.00
Jul 16, 2026Yveltal BREAK 66/114 XY Steam Siege Holo Pokemon 2016 - PSA 10 - Gem Mint 66/114$204.72

Showing the latest 12 of 15 stored PSA 10 comps.