PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $2.05 |
| PSA 7 | $23 |
| PSA 8 | $29 |
| PSA 9 | $84.95 |
| PSA 10 | $455 |
| BGS 10 | $592 |
| CGC 10 | $47.08 |
| SGC 10 | $273 |
TCGplayer market price: $1.39 (as of 2026-10-20)
Market context: ungraded price -1.4% over 30 days. +10.8% over 90 days. PSA 10 premium: 222.0× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-steam-siege/pokemon-steam-siege-ampharos-40