Yveltal BREAK XY Steam Siege #66

XY Steam Siege 2016 · #66 · updated 2026-11-04

Yveltal BREAK XY Steam Siege #66 card
Price30d1y
PSA 10 most traded$503—▲541%
PSA 9$49.95——
Raw$7.43▼0%▲24%
Pokémon index—▲26%▲98%
Yveltal index—▲21%▲64%
XY Steam Siege set index—▲62%▲94%
Yveltal BREAK XY Steam Siege #66 card
GradePrice30d1y
PSA 10$5035▲ 541%
PSA 9$49.950—
PSA 8$14.990—
PSA 7$8.500—
PSA 6$9.990—
PSA 5$10.800—
Raw$7.43113▲ 24%

About Yveltal BREAK XY Steam Siege #66

Yveltal BREAK XY Steam Siege #66 is a 2016 Pokémon card from XY Steam Siege, number 66. Right now a PSA 10 sells for about $503; a PSA 9 sells for about $49.95; a PSA 8 sells for about $14.99; an ungraded copy sells for about $7.43, each the median of the newest three recorded sales inside 30 days.

We hold 802 recorded sales of this card going back to 2022-02, 118 of them in the last 30 days. By venue: eBay 82%, TCGplayer 17%, Fanatics 0%. The most traded grade over the last 90 days is PSA 10, up 541% on a year ago.

Over the same year, all Pokémon cards up 98%; Yveltal cards up 64%; XY Steam Siege set cards up 94%, so this card has outpaced the market it belongs to. The chart above plots those indices against the card.

PSA has graded 189 copies at PSA 10. Population as of 2026-10-30, from PSA's cert records.

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Yveltal BREAK XY Steam Siege #66 questions

How much is a Yveltal BREAK XY Steam Siege #66 worth?

About $503 in PSA 10, the most traded grade and an ungraded copy about $7.43. Prices are the median of the newest three recorded sales inside 30 days.

How much is a PSA 10 Yveltal BREAK XY Steam Siege #66?

About $503, 5 PSA 10 sales in the last 30 days, up 541% on a year ago. PSA has graded 189 copies at 10.

How much is an ungraded Yveltal BREAK XY Steam Siege #66 worth?

Raw copies sell for about $7.43, 113 sales in the last 30 days. Condition drives raw prices more than any grade does.

Is Yveltal BREAK XY Steam Siege #66 going up in value?

In PSA 10 it is up 541% over the last year. All Pokémon cards up 98% over the same year. Yveltal up 64% over the same year. XY Steam Siege up 94% over the same year.

What is the PSA 10 premium on Yveltal BREAK XY Steam Siege #66?

A PSA 10 sells for 10.1x a PSA 9 right now ($503 against $49.95).

Where can I buy a Yveltal BREAK XY Steam Siege #66?

The Deals section on this page lists every auction of this card ending inside 24 hours and every Buy It Now the deal finder is pricing, each against the comp for its grade. Tap one to open it on eBay, or open the deal finder for every card.

What is the PSA population of Yveltal BREAK XY Steam Siege #66?

PSA 10: 189. As of 2026-10-30.