Should You Grade Blaine's Ninetales #21 from Gym Challenge?
Free PSA grading EV calculator pre-loaded with live market data for Blaine's Ninetales #21. Current PSA 10 gem rate is 14.6% based on 192 graded copies. PSA 10 sales average $232.33 vs a raw market of $21.00. Expected value of grading: $-16.90 (-19% ROI). Verdict: Sell raw.
Gym Challenge · #21 · Rare
Default-tier verdict
Sell raw$-17 (-19% ROI)
Based on raw market $21.00, PSA 10 $232.33, gem rate 14.6% (192 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Blaine's Ninetales #21 to PSA for grading. EV factors in real PSA population data (gem rates), live market prices for raw and graded copies, and PSA's tiered fee structure including upcharges when a card's graded value exceeds the tier's Max Insured Value. Adjust the inputs to match your card's exact condition for a personalized recommendation.
PSA population summary
| Grade | Population | Rate |
|---|---|---|
| PSA 10 | 28 | 14.6% |
| PSA 9 | 63 | 32.8% |
| PSA 8 | 52 | 27.1% |
| PSA 7 | 25 | 13.0% |
