PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $0.99 |
| PSA 9 | $10 |
| PSA 10 | $19.99 |
| BGS 10 | $26 |
| CGC 10 | $9.5 |
| SGC 10 | $6.5 |
TCGplayer market price: $0.65 (as of 2026-10-20)
Market context: ungraded price +17.9% over 30 days. -14.7% over 90 days. PSA 10 premium: 20.2× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-temporal-forces/pokemon-temporal-forces-iron-boulder-ex-99