Blastoise GX
SM Promos · #SM189/131 · Promo · 2016
All 121 Blastoise cards ranked by value →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 2026-09-17
Population data from PriceCharting, updated monthly.
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BlastoisePlasma Storm · 2013How much is Blastoise GX #SM189/131 worth?
A raw copy of Blastoise GX #SM189/131 (SM Promos, 2016) is worth about $20.48 right now, based on the latest market data from October 15, 2026.
Grading changes the math on this one: a PSA 10 is valued around $497.50, roughly 24.3x the raw price, while a PSA 9 sits near $41.59. 2,015 copies have been graded to date, and 27% 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 Blastoise GX has moved over time.
