Compare Greg Maddux values across different grades. See whether grading is worth it based on current prices and PSA gem rates.
Price by Grade
| Grade | Guardian Estimate | Premium vs Raw |
| Raw / Ungraded | $1.30 | — |
| PSA 8 | $8.10 | +523% |
| PSA 9 | $12.50 | +862% |
| PSA 10 Gem Mint | $23.08 | +1675% |
Frequently Asked Questions
Is Greg Maddux worth grading? A PSA 10 Greg Maddux is worth $23.08 vs $1.30 raw — a 1675% premium.
What is Greg Maddux PSA 10 worth? $23.08 as of November 2026.