Should You Grade Professor's Research #84 from Pokémon GO?
Free PSA grading EV calculator pre-loaded with live market data for Professor's Research #84. Current PSA 10 gem rate is 49.0% based on 478 graded copies. PSA 10 sales average $39.59 vs a raw market of $8.39. Expected value of grading: $-52.59 (-67% ROI). Verdict: Sell raw.
Pokémon GO · #84 · Rare Rainbow
Default-tier verdict
Sell raw$-53 (-67% ROI)
Based on raw market $8.39, PSA 10 $39.59, gem rate 49.0% (478 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Professor's Research #84 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 | 234 | 49.0% |
| PSA 9 | 161 | 33.7% |
| PSA 8 | 65 | 13.6% |
| PSA 7 | 10 | 2.1% |
