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PSA 10: Median of 6 sales, last 45 days · newest Oct 13, 2026 · checked Oct 26, 2026
PSA 9: Median of 16 PSA 9 sales in the last 90 days, latest 2026-10-26. Grade 9 guide (all graders): $17.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
GemDelta shows Thundurus (Promo #209) at $1.36 market price (TCGplayer market). Its Delta multiple is 48.5x.
A PSA 10 Thundurus (Promo #209) is currently shown at $66.00, the median of 6 PSA 10 sales in the last 45 days (newest Oct 13, 2026).
GemDelta records a 23.2% gem rate for Thundurus (Promo #209), with 1,117 PSA 10 copies out of 4,810 total PSA grades and a 48.5x Delta. That describes the grading profile; it is not financial advice.
Showing the latest 12 of 29 stored PSA 10 comps.