Arbok #99, 1st Edition, Base Expansion Pack
Japanese edition
- Card number: #99
- ·Rarity: Holo Rare
- ·Finish: Holo
A PSA 10 Arbok #99 1st Edition from Base Expansion Pack has a TCGBerg fair value of $735 as of Nov 15, 2026. TCGBerg has recorded 34 PSA 10 sales of this card, the latest on Nov 12, 2026. PSA has graded 319 copies at PSA 10.
TCGBerg Algorithm (estimated from recorded sales).
- Population · PSA 10
- 319
- Market cap
- $234.3K
- Volatility
- 5.6%
- YTD
- ↑ 217.3%
- Sales evidence
- Very strong
TCGBerg fair value · PSA 10
$735
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, $650 on Nov 12, 2026, sits 11.5% below the $735 fair value. The value weighs 30 PSA 10 sales from the past year, not the latest one alone. The latest sale ran below the recent run: the last 5 PSA 10 sales averaged $729, within 0.8% of the value. Its confidence band runs from $698 to $771. A PSA 10 ($735) is worth 3.0 times a PSA 9 ($242). Over the past 30 days the PSA 10 value has risen 9.6%.
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 NM$75Ungraded · market price
- Raw LP$44Ungraded · market price
- Raw MP$32Ungraded · market price
- Raw Damaged$25Ungraded · market price
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
20 trackedEach sale against the grade's fair value on the day it sold.
| Date | Grade | Venue | Price | vs fair value |
|---|---|---|---|---|
| Nov 12, 2026 | PSA10 | eBay | $650 | below fair value by -11.5% |
| Nov 11, 2026 | PSA9 | eBay | $299 | above fair value by +23.4% |
| Nov 2, 2026 | PSA10 | eBay | $900 | above fair value by +17.6% |
| Oct 26, 2026 | PSA8 | eBay | $192 | above fair value by +19.6% |
| Oct 18, 2026 | Raw | tcgplayer | $75 | at fair value by 0.0% |
- $650Nov 12, 2026 · via eBayPSA10↓below fair value by 11.5%
- $299Nov 11, 2026 · via eBayPSA9↑above fair value by 23.4%
- $900Nov 2, 2026 · via eBayPSA10↑above fair value by 17.6%
- $192Oct 26, 2026 · via eBayPSA8↑above fair value by 19.6%
- $75Oct 18, 2026 · via tcgplayerRaw·at fair value by 0.0%
| Oct 16, 2026 | PSA8 | eBay | $127 | below fair value by -16.3% |
| Oct 12, 2026 | PSA9 | Fanatics Collect | $222 | below fair value by -2.7% |
| Oct 11, 2026 | PSA7 | eBay | $140 | above fair value by +51.9% |
- $127PSA8↓below fair value by 16.3%
- $222PSA9↓below fair value by 2.7%
- $140PSA7↑above fair value by 51.9%
15 more sales with Pro
Up to 20 recent sales, each with its venue and its gap to fair value.
↓Includes a sale 25.4% 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.
- BGS 10 Pristine$2221d -7d -30d -
- Pop
- -
- Mcap
- -
- Evidence
- Sparse
- Last
- $222
- PSA10$7351d ↓3.3%7d ↓3.4%30d ↑9.6%
- Pop
- 319
- Mcap
- $234.3K
- Evidence
- Very strong
- Last
- $650
- PSA9$2421d ·0.0%7d ↑2.6%30d ↑7.1%
- Pop
- 249
- Mcap
- $60.3K
- Evidence
- Very strong
- Last
- $299
| BGS 10 Pristine | $222 | - | - | - | - | - | - | Sparse | $2222y ago |
| PSA10 | $735 | 319 | $234.3K | ↓down 3.3% | ↓down 3.4% | ↑up 9.6% | ↑up 25.7% | Very strong | $6503d ago |
| PSA9 | $242 | 249 | $60.3K | 0.0% | ↑up 2.6% | ↑up 7.1% | ↑up 23.9% | Very strong | $2994d ago |
| PSA8 | $161 | 80 | $12.9K | ↑up 0.2% | ↑up 0.2% | ↑up 1.2% | ↑up 14.3% | Strong | $1923w ago |
| PSA7 | $109 | 25 | $2.7K | 0.0% | 0.0% | ↓down 2.4% | ↑up 23.6% | Strong | $1401mo ago |
| PSA6 | $90 | 10 | $902 | ↑up 0.1% | ↑up 0.2% | ↓down 3.7% | ↑up 2.9% | Limited | $1133mo ago |
| PSA5 | $68 | 8 | - | 0.0% | 0.0% | ↑up 6.5% | ↑up 24.9% | Limited | $288mo ago |
| PSA3 | $67 | 1 | - | 0.0% | 0.0% | ↑up 6.5% | ↑up 24.9% | Sparse | $704mo ago |
| Raw | $75 | - | - | 0.0% | 0.0% | 0.0% | 0.0% | - | $754w ago |
Graded population report
How Arbok'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.696 graded copies of Arbok 1st Edition across 9 grades. The selected grade is highlighted.
PSA 10 makes up 46% of graded copies: 319 of 696. It’s the most common grade for this card.
Analysis
Arbok - 1st Edition Holo at PSA 10 carries a TCGBerg fair value of $734 as of 2026-11-14. We track a TCGBerg fair value across 8 grades from Base Expansion Pack, from PSA 3 up to PSA 10. A graded population of 319 copies sits behind the PSA 10 grade. The PSA 10 valuation rests on very strong sales evidence. Over the past 30 days, the PSA 10 TCGBerg fair value has risen 9.6%.