Groudon-EX
XY Black Star Promos · #XY42/211 · Promo · 2013
Price history
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Graded values
Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.
PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.
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How much is Groudon-EX #XY42/211 worth?
Right now (October 19, 2026) the going rate for an ungraded Groudon-EX #XY42/211 from XY Black Star Promos is about $11.15.
Grading changes the math on this one: a PSA 10 is valued around $211.00, roughly 18.9x the raw price, while a PSA 9 sits near $76.25.
These figures come from nightly market-data syncs verified against completed sales. Use the chart above to see the trend before you buy or sell.
