Porygon #137, Normal, 151
- Card number: #137/165
- Rarity: Common
- Finish: Non-Holo
A PSA 9 Porygon #137 Normal from 151 has a TCGBerg fair value of $45 as of Nov 14, 2026. It rests on 2 recorded sales, the latest on Jun 1, 2026. PSA has graded 4 copies at PSA 9. Sales evidence is sparse, so treat this value as a rough estimate.
TCGBerg Algorithm (estimated from recorded sales).
2 sales · latest Jun 1, 2026
- Population · PSA 9
- 4
- Market cap
- $179
- Volatility
- 4.3%
- YTD
- ↑ 200.9%
- Sales evidence
- Sparse
TCGBerg fair value · PSA 9
$45
Based on 2 recorded sales. Latest sale: Jun 1, 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, $31 on Jun 1, 2026, sits 30.7% below the $45 fair value. The value rests on 2 recorded PSA 9 sales. With so few PSA 9 sales on record, a single sale can sit far from the value. Its confidence band runs from $44 to $45. A PSA 10 ($180) is worth 4.0 times a PSA 9 ($45). Over the past 30 days the PSA 9 value has fallen 3.4%. 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 HP$0.18Ungraded · market price
- Raw NM$0.12Ungraded · TCGBerg fair value
- Raw LP$0.10Ungraded · TCGBerg fair value
- Raw MP$0.05Ungraded · 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.
- $0.05Nov 10, 2026 · via tcgplayerRawbelow fair value by 58.3%
- $0.13Nov 3, 2026 · via tcgplayerRawbelow fair value by 7.1%
- $0.10Nov 2, 2026 · via tcgplayerRawbelow fair value by 28.6%
- $0.25Nov 1, 2026 · via tcgplayerRawabove fair value by 108.3%
- $0.10Oct 31, 2026 · via tcgplayerRawbelow fair value by 16.7%
15 more sales with Pro
Up to 20 recent sales, each with its venue and its gap to fair value.
Includes a sale 91.7% 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.
- $1801d 1.6%7d 1.9%30d 5.5%
- Pop
- 9
- Mcap
- $1.6K
- Evidence
- Sparse
- Last
- $42
- $451d 0.3%7d 3.8%30d 3.4%
- Pop
- 4
- Mcap
- $179
- Evidence
- Sparse
- Last
- $31
- $191d 0.5%7d 0.1%30d 1.4%
- Pop
- 3
- Mcap
- $56
- Evidence
- Sparse
- Last
- $14
| Listings | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| $180 | 9 | $1.6K | down 1.6% | down 1.9% | up 5.5% | up 34.3% | Sparse | $421y ago | ||
| $45 | 4 | $179 | up 0.3% | up 3.8% | down 3.4% | down 6.1% | Sparse | $316mo ago | ||
| $19 | 3 | $56 | down 0.5% | down 0.1% | up 1.4% | down 5.6% | Sparse | $146mo ago | ||
| $7.73 | 0 | - | down 1.3% | down 3.9% | up 6.3% | down 5.2% | Sparse | - | ||
| $6.20 | 0 | - | down 0.5% | down 0.2% | up 1.3% | down 5.6% | Sparse | - | ||
| Raw | $0.12 | - | - | - | down 14.3% | down 14.3% | - | Very strong | $0.054d ago |
PSA population report
16 graded copies of Porygon Normal across 3 grades. The selected grade is highlighted.
PSA 9 makes up 25% of graded copies: 4 of 16. PSA 10 is the most common grade (56%).
Analysis
Porygon - Normal at PSA 10 carries a TCGBerg fair value of $180 as of 2026-11-13. We track a TCGBerg fair value across 5 grades from 151, from PSA 6 up to PSA 10. A graded population of 9 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 5.5%.