![Stop Defense [1st Edition] SDP-031](/api/images/junkpal-products/cards/stop-defense-1st-edition-sdp-031-yugioh-starter-deck-pegasus-card/img0/cover.webp)
Ungraded vs PSA 10 Stop Defense [1st Edition] SDP-031: price difference
Stop Defense [1st Edition] SDP-031 value — Ungraded $1 vs PSA 10 $62. PSA 10 sells for 62× Ungraded (+6100%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 62× (+6100%) the Ungraded price — a $61 difference per card.
PSA 10 sells for 8.86× (+786%) the Grade 9 price — a $55 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Stop Defense [1st Edition] SDP-031, the jump from Ungraded to PSA 10 is worth $61 (62×) — 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).