PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $18.58 |
| PSA 7 | $20 |
| PSA 8 | $30 |
| PSA 9 | $55 |
| PSA 10 | $297.5 |
| BGS 10 | $387 |
| CGC 10 | $139.31 |
| SGC 10 | $179 |
TCGplayer market price: $35.88 (as of 2026-07-05)
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-steam-siege/pokemon-steam-siege-m-steelix-ex-109