PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $10.52 |
| PSA 7 | $11 |
| PSA 8 | $14.05 |
| PSA 9 | $31.19 |
| PSA 10 | $153.13 |
| BGS 10 | $199 |
| CGC 10 | $29.77 |
| SGC 10 | $92 |
TCGplayer market price: $10.87 (as of 2026-08-29)
Market context: ungraded price +4.5% over 30 days. +14.5% over 90 days. PSA 10 premium: 14.6× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-steam-siege/pokemon-steam-siege-professor-sycamore-114