PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $12.1 |
| PSA 7 | $18.25 |
| PSA 8 | $18.68 |
| PSA 9 | $31.61 |
| PSA 10 | $160 |
| BGS 10 | $208 |
| CGC 10 | $29.77 |
| SGC 10 | $96 |
TCGplayer market price: $14.1 (as of 2026-10-20)
Market context: ungraded price +19.2% over 30 days. +20.2% over 90 days. PSA 10 premium: 13.2× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-steam-siege/pokemon-steam-siege-professor-sycamore-114