Should You Grade Gravity Mountain #250 from Surging Sparks?
Free PSA grading EV calculator pre-loaded with live market data for Gravity Mountain #250. Current PSA 10 gem rate is 30.0% based on 674 graded copies. PSA 10 sales average $74.26 vs a raw market of $10.94. Expected value of grading: $-47.44 (-59% ROI). Verdict: Sell raw.
Surging Sparks · #250 · Hyper Rare
Default-tier verdict
Sell raw$-47 (-59% ROI)
Based on raw market $10.94, PSA 10 $74.26, gem rate 30.0% (674 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Gravity Mountain #250 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 | 202 | 30.0% |
| PSA 9 | 373 | 55.3% |
| PSA 8 | 87 | 12.9% |
| PSA 7 | 7 | 1.0% |
