Average of confirmed sales; the main valuation baseline.
Lowest active listing; an asking price, not a completed sale.
Reference-price movement; low volume can make it unstable.
More sales reduce the impact of individual transactions.
Sales answer “what is it worth”; listings answer “what does an available copy cost”.
Professor Program Promos / #004/Holofoil
DETAILED PRICES · Price History
| Condition/Grade | Price | LOW | HIGH | 7D CHG | Volume | Spark |
|---|---|---|---|---|---|---|
NMRAW | $1.90 | $1.90 | $19.88 | -1.4% | >5 | |
LPRAW | $1.13 | $1.13 | $17.94 | 0.0% | >5 | |
PSA 9GRADED | — | — | — | — | — |
| DATE | SOURCE | Price | Change |
|---|---|---|---|
| 2026-09-24 | TCG | $19.88 | — |
| 2026-09-23 | TCG | $19.88 | -0.4% |
| 2026-09-22 | TCG | $19.96 | — |
| 2026-09-21 | TCG | $19.96 | -1.0% |
| 2026-09-20 | TCG | $20.16 | -0.0% |
| 2026-09-19 | TCG | $20.17 | — |
| 2026-09-18 | TCG | $20.17 | — |
| 2026-09-17 | TCG | $20.17 | +0.0% |
This Professor Program Promos Holofoil page tracks US market pricing for the US market. PokeTrace currently shows $19.88 with 550 price records, giving collectors a data-backed view of this specific card variant.