Professor Oak's Research
19%of 147 graded came back a PSA 10
How they graded
PSA 10 price, Reverse Foil$125
Printings
Every grade, Reverse Foil
Every grade
Copies at each grade, how many sit at that grade or higher, and PSA’s price where it lists one.
GradeShare of copiesCopiesPSA price
PSA 109$125
PSA 92837 at 9+$40
PSA 82663 at 8+$20
PSA 71073 at 7+—
PSA 6477 at 6+—
PSA 5279 at 5+—
PSA 4079 at 4+—
PSA 3079 at 3+—
PSA 2079 at 2+—
PSA 1079 at 1+—
One grade up
What the next grade costs, next to how the number of copies changes.
PSA 9 to PSA 10
Costs3.1× moreCopies3.1× fewer$40 to $125 · 28 to 9 copies
PSA 8 to PSA 9
Costs2.0× moreCopies1.1× more$20 to $40 · 26 to 28 copies
Takes
Population from PSA as of Sep 12, 2026, across every printing. Prices are PSA’s own price guide figures as of Sep 12, 2026.
