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PSA 10: Median of 11 sales, last 45 days · newest Oct 23, 2026 · checked Oct 26, 2026
PSA 9: Median of 21 PSA 9 sales in the last 90 days, latest 2026-10-23. Grade 9 guide (all graders): $188.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
GemDelta shows Steelix EX (Steam Siege #108) at $17.56 market price (TCGplayer market). Its Delta multiple is 56.9x.
A PSA 10 Steelix EX (Steam Siege #108) is currently shown at $1,000, the median of 11 PSA 10 sales in the last 45 days (newest Oct 23, 2026).
GemDelta records a 21.8% gem rate for Steelix EX (Steam Siege #108), with 388 PSA 10 copies out of 1,776 total PSA grades and a 56.9x Delta. That describes the grading profile; it is not financial advice.
Showing the latest 12 of 30 stored PSA 10 comps.