Thundurus EX #020, 1st Edition, Thunder Knuckle
Japanese edition
- Card number: #020
- ·Finish: Non-Holo
A PSA 10 Thundurus EX #020 1st Edition from Thunder Knuckle has a TCGBerg fair value of $83 as of Nov 15, 2026. It rests on 14 recorded sales, the latest on Sep 2, 2026. PSA has graded 39 copies at PSA 10. Sales evidence is sparse, so treat this value as a rough estimate.
TCGBerg Algorithm (estimated from recorded sales).
14 sales · latest Sep 2, 2026
- Population · PSA 10
- 39
- Market cap
- $3.2K
- Volatility
- 14.5%
- YTD
- -
- Sales evidence
- Sparse
TCGBerg fair value · PSA 10
$83
Based on 14 recorded sales. Latest sale: Sep 2, 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 last PSA 10 sale, $40 on Sep 2, 2026, sits 51.9% below the $83 fair value. The value rests on 14 recorded PSA 10 sales. The latest sale ran below the recent run: the last 5 PSA 10 sales averaged $101, within 21.4% of the value. Its confidence band runs from $68 to $99. A PSA 10 ($83) is worth 3.4 times a PSA 9 ($24). Over the past 30 days the PSA 10 value has fallen 11.4%. 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.
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
18 trackedEach sale against the grade's fair value on the day it sold.
| Date | Grade | Venue | Price | vs fair value |
|---|---|---|---|---|
| Oct 28, 2026 | PSA7 | Fanatics Collect | $15 | above fair value by +12.9% |
| Oct 28, 2026 | PSA8 | eBay | $25 | above fair value by +13.7% |
| Oct 21, 2026 | PSA6 | eBay | $14 | above fair value by +14.8% |
| Oct 17, 2026 | PSA9 | eBay | $20 | below fair value by -11.7% |
| Oct 14, 2026 | PSA7 | eBay | $10 | at fair value by 0.0% |
- $15Oct 28, 2026 · via Fanatics CollectPSA7↑above fair value by 12.9%
- $25Oct 28, 2026 · via eBayPSA8↑above fair value by 13.7%
- $14Oct 21, 2026 · via eBayPSA6↑above fair value by 14.8%
- $20Oct 17, 2026 · via eBayPSA9↓below fair value by 11.7%
- $10Oct 14, 2026 · via eBayPSA7·at fair value by 0.0%
| Sep 20, 2026 | PSA9 | eBay | $21 | below fair value by -7.4% |
| Sep 2, 2026 | PSA10 | eBay | $40 | below fair value by -45.4% |
| Jul 13, 2026 | PSA9 | eBay | $38 | above fair value by +68.0% |
- $21PSA9↓below fair value by 7.4%
- $40PSA10↓below fair value by 45.4%
- $38PSA9↑above fair value by 68.0%
13 more sales with Pro
Up to 20 recent sales, each with its venue and its gap to fair value.
↓Includes a sale 45.4% 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 Gem Mint 10$401d -7d -30d -
- Pop
- -
- Mcap
- -
- Evidence
- Sparse
- Last
- -
- PSA10$831d ↓0.1%7d ↑1.3%30d ↓11.4%
- Pop
- 39
- Mcap
- $3.2K
- Evidence
- Sparse
- Last
- $40
- PSA9$241d ·0.0%7d ↓2.4%30d ↑10.1%
- Pop
- 23
- Mcap
- $558
- Evidence
- Moderate
- Last
- $20
| CGC Gem Mint 10 | $40 | - | - | - | - | - | - | Sparse | - |
| PSA10 | $83 | 39 | $3.2K | ↓down 0.1% | ↑up 1.3% | ↓down 11.4% | - | Sparse | $402mo ago |
| PSA9 | $24 | 23 | $558 | 0.0% | ↓down 2.4% | ↑up 10.1% | - | Moderate | $204w ago |
| PSA8 | $24 | 10 | $236 | 0.0% | ↑up 7.6% | ↑up 53.1% | - | Moderate | $253w ago |
| PSA7 | $13 | 4 | $53 | ↓down 0.2% | ↓down 0.2% | ↑up 28.1% | - | Sparse | $153w ago |
| PSA6 | $13 | 1 | $13 | ↓down 0.2% | ↓down 0.2% | ↑up 89.2% | - | Sparse | $144w ago |
| Raw | - | - | - | - | - | - | - | - | $6.992mo ago |
Graded population report
How Thundurus EX'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.79 graded copies of Thundurus EX 1st Edition across 7 grades. The selected grade is highlighted.
PSA 10 makes up 49% of graded copies: 39 of 79. It’s the most common grade for this card.
Analysis
Thundurus EX - 1st Edition at PSA 10 carries a TCGBerg fair value of $83 as of 2026-11-14. We track a TCGBerg fair value across 6 grades from Thunder Knuckle, from PSA 6 up to PSA 10. A graded population of 39 copies sits behind the PSA 10 grade. The PSA 10 valuation rests on sparse sales evidence. Over the past 30 days, the PSA 10 TCGBerg fair value has fallen 11.4%.