Ungraded vs PSA 10 Porygon #137: price difference
Porygon #137 value — Ungraded $3 vs PSA 10 $188. PSA 10 sells for 62.67× Ungraded (+6167%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 62.67× (+6167%) the Ungraded price — a $185 difference per card.
Grade 9 sells for 10.33× (+933%) the Ungraded price — a $28 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Porygon #137, the jump from Ungraded to PSA 10 is worth $185 (62.67×) — 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).