Professor Oak's Research #80, Normal, EX Dragon Frontiers
- DF

- ·Card number: #80/101
- ·Rarity: Uncommon
- ·Finish: Non-Holo
A PSA 10 Professor Oak's Research #80 Normal from EX Dragon Frontiers has a TCGBerg fair value of $132 as of Nov 15, 2026. It rests on 4 recorded sales, the latest on Jul 3, 2026. PSA has graded 3 copies at PSA 10. Sales evidence is sparse, so treat this value as a rough estimate.
TCGBerg Algorithm (estimated from recorded sales).
4 sales · latest Jul 3, 2026
- Population · PSA 10
- 3
- Market cap
- $397
- Volatility
- 1.6%
- YTD
- ↑ 120.9%
- Sales evidence
- Sparse
TCGBerg fair value · PSA 10
$132
Based on 4 recorded sales. Latest sale: Jul 3, 2026.
Price history
Weekly fair value over time, plus a confidence band around it: how precisely we can pin the value, which tightens as more sales confirm it. Dots mark individual sales, snapped to their week: red when above fair value (a premium), green when below (a deal), hollow when flagged as an outlier. Switch the active grade with the selector above.Weekly fair value for PSA 10. Shaded area is the confidence band: how precisely we can pin the value; it tightens as more sales confirm it. Dots are individual sales. Confidence band: how precisely we can pin the fair value. It widens when sales scatter and narrows as more sales back the value up. The dots show the actual sale prices.
What the evidence says
The latest recorded PSA 10 sale ($50 on Jul 3, 2026) sits 62.3% below the $132 fair value, too far off to read as this grade's price. The value rests on 4 recorded PSA 10 sales. Its confidence band runs from $99 to $166. A PSA 10 ($132) is worth 3.0 times a PSA 9 ($44). Over the past 30 days the PSA 10 value has risen 4.2%. With sparse sales evidence, read the gap and the band as rough guides.
TCGBerg fair value by grade
Side-by-side comparison of value across every grade and ungraded condition we track for this printing. The bar chart uses a log scale so raw and gem-mint fit on one axis. Solid bars are the TCGBerg fair value, modelled from recorded sales. Hatched bars are the latest market price instead, shown for ungraded conditions that trade too rarely for us to price one honestly.Value at each grade and ungraded condition. Log scale. Tap a row to switch the whole page.
- Raw MP$0.96Ungraded · TCGBerg fair value
- Raw NM$0.94Ungraded · TCGBerg fair value
- Raw LP$0.86Ungraded · TCGBerg fair value
- Raw HP$0.49Ungraded · market price
- Raw Damaged$0.25Ungraded · TCGBerg fair value
Behind the scenes
How the published fair value for this grade was produced: the sales it rests on, how they were put together, and every recorded change afterwards. It describes one saved calculation, not a live recomputation.What goes into this price, and how much we know.
Recent sales
9 trackedEach sale against the grade's fair value on the day it sold.
| Date | Grade | Venue | Price | vs fair value |
|---|---|---|---|---|
| Oct 10, 2026 | Raw | tcgplayer | $1.04 | above fair value by +11.8% |
| Sep 29, 2026 | Raw | tcgplayer | $0.83 | below fair value by -10.8% |
| Aug 13, 2026 | Raw | tcgplayer | $0.92 | below fair value by -1.1% |
| Jul 16, 2026 | Raw | tcgplayer | $0.93 | at fair value by 0.0% |
| Jul 6, 2026 | Raw | tcgplayer | $0.95 | above fair value by +2.2% |
- $1.04Oct 10, 2026 · via tcgplayerRaw↑above fair value by 11.8%
- $0.83Sep 29, 2026 · via tcgplayerRaw↓below fair value by 10.8%
- $0.92Aug 13, 2026 · via tcgplayerRaw↓below fair value by 1.1%
- $0.93Jul 16, 2026 · via tcgplayerRaw·at fair value by 0.0%
- $0.95Jul 6, 2026 · via tcgplayerRaw↑above fair value by 2.2%
| Jul 3, 2026 | PSA10 | eBay | $50 | below fair value by -25.3% |
| May 12, 2026 | CGC Pristine 10 | eBay | $175 | at fair value by 0.0% |
| Apr 21, 2026 | PSA9 | eBay | $103 | above fair value by +255.8% |
- $50PSA10↓below fair value by 25.3%
- $175CGC Pristine 10·at fair value by 0.0%
- $103PSA9↑above fair value by 255.8%
4 more sales with Pro
Up to 20 recent sales, each with its venue and its gap to fair value.
↓Includes a sale 25.3% below fair value
All grades matrix
Every grade we track for this printing. Click any column header to sort; the rightmost column jumps you to listings for that grade.
- CGC Pristine 10$1751d -7d -30d -
- Pop
- 0
- Mcap
- -
- Evidence
- Sparse
- Last
- $175
- PSA10$1321d ·0.0%7d ↑0.2%30d ↑4.2%
- Pop
- 3
- Mcap
- $397
- Evidence
- Sparse
- Last
- $50
- PSA9$441d ·0.0%7d ↑0.1%30d ↓7.1%
- Pop
- 3
- Mcap
- $133
- Evidence
- Sparse
- Last
- $103
| Listings | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| CGC Pristine 10 | $175 | 0 | - | - | - | - | - | Sparse | $1756mo ago | |
| PSA10 | $132 | 3 | $397 | 0.0% | ↑up 0.2% | ↑up 4.2% | ↑up 56.0% | Sparse | $505mo ago | |
| PSA9 | $44 | 3 | $133 | 0.0% | ↑up 0.1% | ↓down 7.1% | ↓down 3.6% | Sparse | $1037mo ago | |
| PSA8 | $25 | 5 | $125 | 0.0% | ↑up 0.1% | ↓down 6.6% | ↑up 7.4% | Limited | $1510mo ago | |
| PSA7 | $19 | 1 | $19 | 0.0% | 0.0% | ↓down 1.2% | ↑up 18.6% | Sparse | - | |
| PSA6 | $19 | 0 | - | 0.0% | 0.0% | ↓down 1.2% | ↑up 18.6% | Sparse | - | |
| PSA5 | $19 | 1 | - | 0.0% | 0.0% | ↓down 1.2% | ↑up 18.6% | Sparse | $121y ago | |
| Raw | $0.94 | - | - | - | 0.0% | 0.0% | - | Strong | $1.041mo ago |
Graded population report
How Professor Oak's Research's graded copies are spread across grades. Each bar is the number of copies graded at that grade; the percentage is that grade's share of the total graded population. These are recorded graded copies, not the total print run. A smaller population alone does not establish a price premium.24 graded copies of Professor Oak's Research Normal across 13 grades. The selected grade is highlighted.
PSA 10 makes up 13% of graded copies: 3 of 24. PSA 8 is the most common grade (21%).
Analysis
Professor Oak's Research - Normal at CGC Pristine 10 carries a TCGBerg fair value of $175 as of 2026-11-14. We track a TCGBerg fair value across 7 grades from EX Dragon Frontiers, from PSA 7 up to CGC Pristine 10. The CGC Pristine 10 valuation rests on sparse sales evidence.