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 | $1.42 | — |
| PSA 8 | $7.80 | +449% |
| PSA 9 | $13.49 | +850% |
| PSA 10 Gem Mint | $44.99 | +3068% |
Frequently Asked Questions
Is Greg Maddux worth grading? A PSA 10 Greg Maddux is worth $44.99 vs $1.42 raw — a 3068% premium.
What is Greg Maddux PSA 10 worth? $44.99 as of November 2026.