Should You Grade Tapu Koko-GX #153 from Guardians Rising?
Free PSA grading EV calculator pre-loaded with live market data for Tapu Koko-GX #153. Current PSA 10 gem rate is 47.4% based on 293 graded copies. PSA 10 sales average $133.75 vs a raw market of $12.87. Expected value of grading: $-1.72 (-2% ROI). Verdict: Sell raw.
Guardians Rising · #153 · Rare Rainbow
Default-tier verdict
Sell raw$-2 (-2% ROI)
Based on raw market $12.87, PSA 10 $133.75, gem rate 47.4% (293 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Tapu Koko-GX #153 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 | 139 | 47.4% |
| PSA 9 | 108 | 36.9% |
| PSA 8 | 24 | 8.2% |
| PSA 7 | 7 | 2.4% |
