Cosmog
Solgaleo-GX & Lunala-GX Legendary Starter Set · #3/21 · None · 2017JPN
All 32 Cosmog 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 2026-09-19
Population data from PriceCharting, updated monthly.
More Cosmog cards all 32 ranked by value →
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CosmogGX Starter Decks · 2018
Cosmogsm1+: Enhanced Expansion Pack Sun & Moon · 2017How much is Cosmog #3/21 worth?
Right now (October 1, 2026) the going rate for an ungraded Cosmog #3/21 from Solgaleo-GX & Lunala-GX Legendary Starter Set is about $0.25.
Grading changes the math on this one: a PSA 10 is valued around $52.18, roughly 208.7x the raw price, while a PSA 9 sits near $21.91. 21 copies have been graded to date, and 57% of them came back a 10 — worth knowing before you pay grading fees.
Prices on this page refresh nightly from live TCGplayer market data and are cross-checked against actual sold prices, so a single inflated listing never becomes "the price". The chart above has the full history.
