Should You Grade Blastoise ex #200 from 151?
Free PSA grading EV calculator pre-loaded with live market data for Blastoise ex #200. Current PSA 10 gem rate is 30.5% based on 59,465 graded copies. PSA 10 sales average $511.41 vs a raw market of $115.94. Expected value of grading: $63.32 (34% ROI). Verdict: Decent — proceed with caution.
151 · #200 · Special Illustration Rare
Default-tier verdict
Decent — proceed with caution+$63 (+34% ROI)
Based on raw market $115.94, PSA 10 $511.41, gem rate 30.5% (59,465 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Blastoise ex #200 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 | 18,156 | 30.5% |
| PSA 9 | 29,768 | 50.1% |
| PSA 8 | 9,682 | 16.3% |
| PSA 7 | 1,383 | 2.3% |
