PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $0.75 |
| PSA 9 | $6.17 |
| PSA 10 | $19.34 |
| BGS 10 | $25 |
| CGC 10 | $9.5 |
| SGC 10 | $6.5 |
TCGplayer market price: $0.73 (as of 2026-08-29)
Market context: ungraded price -35.3% over 30 days. -49.3% over 90 days. PSA 10 premium: 25.8× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-temporal-forces/pokemon-temporal-forces-iron-boulder-ex-99