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PSA 10: 45-day PSA 10 sold-comp median
GemDelta shows Grass Energy (Gym Challenge #129) at $1.59 market price (TCGplayer market). Its Delta multiple is 90.6x.
A PSA 10 Grass Energy (Gym Challenge #129) is currently shown at $178. GemDelta labels this as a 45-day PSA 10 sold-comp median.
GemDelta records a 26.4% gem rate for Grass Energy (Gym Challenge #129), with 42 PSA 10 copies out of 159 total PSA grades and a 90.6x Delta. That describes the grading profile; it is not financial advice.
| Date | Sale |
|---|---|
| Aug 3, 2026 | $177.50 |