Ungraded vs PSA 10 Porygon #137: price difference

Porygon #137 value — Ungraded $25 vs PSA 10 $121. PSA 10 sells for 4.84× Ungraded (+384%). Prices updated July 2026.

GradeSold medianvs Ungraded
Ungraded$25eBay ↗
Grade 9$662.64× · +164%eBay ↗
PSA 10$1214.84× · +384%eBay ↗

Medians of real sold listings per grade, updated July 2026 how we compute values.

Ungraded vs PSA 10
$25$121

PSA 10 sells for 4.84× (+384%) the Ungraded price — a $96 difference per card.

Ungraded vs Grade 9
$25$66

Grade 9 sells for 2.64× (+164%) the Ungraded price — a $41 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 $96 (4.84×) — 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 →
See current eBay listingsSee sold Porygon #137 listings ↗Full Porygon #137 price guide →

Values are estimates from real sales data — not appraisals or offers. Some links earn JunkPal a commission at no cost to you (disclosure).