Koga's Ekans #23, Normal, Challenge from the Darkness
Japanese edition
- Card number: #23
- Rarity: Common
- Finish: Non-Holo
A PSA 9 Koga's Ekans #23 Normal from Challenge from the Darkness has a TCGBerg fair value of $22 as of Nov 15, 2026. TCGBerg has recorded 11 PSA 9 sales of this card, the latest on Nov 10, 2026. PSA has graded 93 copies at PSA 9.
TCGBerg Algorithm (estimated from recorded sales).
- Population · PSA 9
- 93
- Market cap
- $2.1K
- Volatility
- 2.4%
- YTD
- ↑ 10.8%
- Sales evidence
- Strong
TCGBerg fair value · PSA 9
$22
Price history
Weekly fair value for PSA 9. Shaded area is the confidence band: how precisely we can pin the value; it tightens as more sales confirm it. Dots are individual sales.
What the evidence says
The last PSA 9 sale, $22 on Nov 10, 2026, is in line with the $22 fair value (1.6% below). The value weighs 10 PSA 9 sales from the past year, not the latest one alone. Its confidence band runs from $21 to $24. A PSA 10 ($123) is worth 5.5 times a PSA 9 ($22). Over the past 30 days the PSA 9 value has risen 5.3%.
TCGBerg fair value by grade
Value at each grade and ungraded condition. Log scale. Tap a row to switch the whole page.
- Raw NM$0.89Ungraded · market price
- Raw LP$0.54Ungraded · market price
- Raw Damaged$0.52Ungraded · market price
- Raw MP$0.44Ungraded · market price
- Raw HP$0.28Ungraded · market price
Behind the scenes
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.
- $22Nov 10, 2026 · via eBaybelow fair value by 1.6%
- $11Nov 9, 2026 · via Fanatics CollectCGC9.5above fair value by 0.8%
- $111Oct 6, 2026 · via eBaybelow fair value by 7.7%
- $15Sep 16, 2026 · via Fanatics CollectCGC7-
- $23Sep 6, 2026 · via eBayabove fair value by 9.0%
15 more sales with Pro
Up to 20 recent sales, each with its venue and its gap to fair value.
Includes a sale 35.6% 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.
- CGC6-1d -7d -30d -
- Pop
- -
- Mcap
- -
- Evidence
- Sparse
- Last
- -
- CGC7-1d -7d -30d -
- Pop
- -
- Mcap
- -
- Evidence
- Sparse
- Last
- $15
- CGC9.5$111d -7d -30d -
- Pop
- -
- Mcap
- -
- Evidence
- Sparse
- Last
- $11
| Listings | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| CGC6 | - | - | - | - | - | - | - | Sparse | - | |
| CGC7 | - | - | - | - | - | - | - | Sparse | $152mo ago | |
| CGC9.5 | $11 | - | - | - | - | - | - | Sparse | $116d ago | |
| $123 | 43 | $5.3K | 0.0% | 0.0% | up 1.7% | up 9.0% | Moderate | $1111mo ago | ||
| $22 | 93 | $2.1K | up 0.4% | down 2.3% | up 5.3% | up 19.4% | Strong | $225d ago | ||
| $21 | 18 | $381 | 0.0% | down 0.2% | down 0.7% | up 21.4% | Limited | $203mo ago | ||
| $21 | 3 | $63 | 0.0% | down 0.2% | down 0.7% | up 21.4% | Sparse | - | ||
| $21 | 1 | $21 | 0.0% | down 0.2% | down 0.7% | up 21.4% | Sparse | - | ||
| $18 | 3 | - | 0.0% | 0.0% | up 4.1% | up 20.2% | Sparse | $121y ago | ||
| Raw | $0.89 | - | - | 0.0% | 0.0% | up 2.3% | up 14.1% | - | - |
Graded population report
163 graded copies of Koga's Ekans Normal across 8 grades. The selected grade is highlighted.
PSA 9 makes up 57% of graded copies: 93 of 163. It’s the most common grade for this card.
Analysis
Koga's Ekans - Normal at PSA 10 carries a TCGBerg fair value of $123 as of 2026-11-14. We track a TCGBerg fair value across 7 grades from Challenge from the Darkness, from CGC 9.5 up to PSA 10. A graded population of 43 copies sits behind the PSA 10 grade. The PSA 10 valuation rests on moderate sales evidence. Over the past 30 days, the PSA 10 TCGBerg fair value has risen 1.7%.
