PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $20.95 |
| PSA 7 | $22.04 |
| PSA 8 | $35.43 |
| PSA 9 | $54.29 |
| PSA 10 | $274.98 |
| BGS 10 | $357 |
| CGC 10 | $172.48 |
| SGC 10 | $165 |
TCGplayer market price: $29.62 (as of 2026-08-29)
Market context: ungraded price +19.8% over 30 days. +7.4% over 90 days. PSA 10 premium: 13.1× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-steam-siege/pokemon-steam-siege-m-steelix-ex-109