Kingdra-GX
SM Black Star Promos · #SM155/248 · Promo · 2017
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.
Graded population census · updated 2026-09-21
Population data from PriceCharting, updated monthly.
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How much is Kingdra-GX #SM155/248 worth?
A raw copy of Kingdra-GX #SM155/248 (SM Black Star Promos, 2017) is worth about $16.89 right now, based on the latest market data from November 7, 2026.
Grading changes the math on this one: a PSA 10 is valued around $190.00, roughly 11.2x the raw price, while a PSA 9 sits near $34.99. 683 copies have been graded to date, and 53% of them came back a 10 — worth knowing before you pay grading fees.
We update this valuation every night from live market data and verify it against real completed sales — see the chart above for how Kingdra-GX has moved over time.
