Should You Grade Tyranitar #87 from Celestial Storm?
Free PSA grading EV calculator pre-loaded with live market data for Tyranitar #87. Current PSA 10 gem rate is 30.1% based on 103 graded copies. PSA 10 sales average $405.00 vs a raw market of $7.65. Expected value of grading: $64.34 (83% ROI). Verdict: Grade It.
Celestial Storm · #87 · Rare Holo
Default-tier verdict
Grade It+$64 (+83% ROI)
Based on raw market $7.65, PSA 10 $405.00, gem rate 30.1% (103 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Tyranitar #87 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 | 31 | 30.1% |
| PSA 9 | 35 | 34.0% |
| PSA 8 | 22 | 21.4% |
| PSA 7 | 13 | 12.6% |
