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PSA 10: PriceCharting; refreshed Sep 10, 2026
GemDelta shows Prof. Oak's Research (Fire Red & Leaf Green #98) at $4.92 market price (TCGplayer market). Its Delta multiple is 16.7x.
A PSA 10 Prof. Oak's Research (Fire Red & Leaf Green #98) is currently shown at $83.00. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.
GemDelta records a 28.6% gem rate for Prof. Oak's Research (Fire Red & Leaf Green #98), with 20 PSA 10 copies out of 70 total PSA grades and a 16.7x Delta. That describes the grading profile; it is not financial advice.
The Reverse Holo version of Prof. Oak's Research (Fire Red & Leaf Green #98) is shown at $4.92 market price. That value is for this stored card variant, not the base printing.