Onix #42, Reverse Holo, EX FireRed & LeafGreen
- Card number: #42/112
- Rarity: Uncommon
A PSA 9 Onix #42 Reverse Holo from EX FireRed & LeafGreen has a TCGBerg fair value of $255 as of Nov 14, 2026. It rests on 21 recorded sales, the latest on Sep 26, 2026. PSA has graded 58 copies at PSA 9. Sales evidence is sparse, so treat this value as a rough estimate.
TCGBerg Algorithm (estimated from recorded sales).
21 sales · latest Sep 26, 2026
- Population · PSA 9
- 58
- Market cap
- $14.8K
- Volatility
- 7.5%
- YTD
- ↑ 468.7%
- Sales evidence
- Sparse
TCGBerg fair value · PSA 9
$255
Based on 21 recorded sales. Latest sale: Sep 26, 2026.
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, $300 on Sep 26, 2026, sits 17.8% above the $255 fair value. The value rests on 21 recorded PSA 9 sales. Its confidence band runs from $225 to $285. A PSA 10 ($1,647) is worth 6.5 times a PSA 9 ($255). Over the past 30 days the PSA 9 value has risen 24.3%. With sparse sales evidence, read the gap and the band as rough guides.
TCGBerg fair value by grade
Value at each grade and ungraded condition. Log scale. Tap a row to switch the whole page.
- Raw NM$24Ungraded · TCGBerg fair value
- Raw LP$20Ungraded · TCGBerg fair value
- Raw MP$13Ungraded · market price
- Raw HP$9.56Ungraded · market price
- Raw Damaged$7.27Ungraded · 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.
- $163Nov 9, 2026 · via eBayabove fair value by 3.2%
- $69Nov 5, 2026 · via eBaybelow fair value by 5.9%
- $250Oct 23, 2026 · via eBayabove fair value by 61.7%
- $114Oct 6, 2026 · via eBay-
- $25Oct 6, 2026 · via tcgplayerRawabove fair value by 10.2%
15 more sales with Pro
Up to 20 recent sales, each with its venue and its gap to fair value.
Includes a sale 16.9% 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.
- $1,6471d 0.0%7d 0.0%30d 26.9%
- Pop
- 16
- Mcap
- $26.3K
- Evidence
- Sparse
- Last
- $425
- $2551d 0.0%7d 0.4%30d 24.3%
- Pop
- 58
- Mcap
- $14.8K
- Evidence
- Sparse
- Last
- $300
- $1571d 0.0%7d 5.1%30d 87.1%
- Pop
- 33
- Mcap
- $5.2K
- Evidence
- Limited
- Last
- $163
| Listings | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| $1,647 | 16 | $26.3K | 0.0% | 0.0% | up 26.9% | up 73.2% | Sparse | $4251y ago | ||
| $255 | 58 | $14.8K | 0.0% | up 0.4% | up 24.3% | up 84.3% | Sparse | $3002mo ago | ||
| $157 | 33 | $5.2K | 0.0% | up 5.1% | up 87.1% | up 177.1% | Limited | $1635d ago | ||
| $73 | 12 | $880 | 0.0% | 0.0% | up 60.5% | up 76.0% | Limited | $691w ago | ||
| $33 | 9 | $295 | up 0.1% | up 0.1% | up 2.7% | down 7.8% | Sparse | $293mo ago | ||
| $24 | 7 | - | 0.0% | 0.0% | down 2.9% | down 2.2% | Sparse | $182mo ago | ||
| Raw | $24 | - | - | - | 0.0% | down 0.2% | - | Strong | $251mo ago |
PSA population report
135 graded copies of Onix Reverse Holo across 6 grades. The selected grade is highlighted.
PSA 9 makes up 43% of graded copies: 58 of 135. It’s the most common grade for this card.
Analysis
Onix - Reverse Holo at PSA 10 carries a TCGBerg fair value of $1,647 as of 2026-11-13. We track a TCGBerg fair value across 6 grades from EX FireRed & LeafGreen, from PSA 5 up to PSA 10. A graded population of 16 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 risen 26.9%.