Ungraded vs PSA 10 Slowpoke & Psyduck GX #239: price difference
Slowpoke & Psyduck GX #239 value — Ungraded $145 vs PSA 10 $776. PSA 10 sells for 5.35× Ungraded (+435%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 5.35× (+435%) the Ungraded price — a $631 difference per card.
PSA 10 sells for 3.79× (+279%) the Grade 9 price — a $571 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Slowpoke & Psyduck GX #239, the jump from Ungraded to PSA 10 is worth $631 (5.35×) — if your copy grades at the top, that premium can cover the fee. A grade below the top one changes the math, so run your exact numbers first.
Run the grading break-even math →Values are estimates from real sales data — not appraisals or offers. Some links earn JunkPal a commission at no cost to you (disclosure).