Guardian TCG
GuardianTCG

Slowbro Grading Value — Is It Worth Grading?

Raw price: $27.81 | PSA 10 value: $630.63 | Gem rate: 11.3%

Verdict: Maybe — only submit cards in pristine condition

Estimated grading ROI: 1219% (assumes ~$20 PSA economy submission)

How to Decide

  1. Check the price gap: Raw $27.81 vs PSA 10 $630.63
  2. Evaluate gem rate: 11.3% chance of PSA 10
  3. Calculate ROI: After $20 grading fee, ROI is ~1219%
  4. Inspect condition: Only submit cards likely to grade 9+