Ungraded vs Grade 8.0 X-Men #21 (2021): price difference
X-Men #21 (2021) value — Ungraded $5 vs Grade 8.0 $16. Grade 8.0 sells for 3.2× Ungraded (+220%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Grade 8.0 sells for 3.2× (+220%) the Ungraded price — a $11 difference per comic.
Grade 8.0 sells for 2.29× (+129%) the Grade 6.0 price — a $9 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On X-Men #21 (2021), the jump from Ungraded to Grade 8.0 is worth $11 (3.2×) — at today's prices that doesn't cover the fee — grading this one is for the collection, not the flip. 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).