Porygon #137, Normal, Red and Green Gift Set
Japanese edition
- Card number: #137
- ·Rarity: Promo
- ·Finish: Promo
A PSA 9 Porygon #137 Normal from Red and Green Gift Set has a TCGBerg fair value of $103 as of Nov 15, 2026. It rests on 20 recorded sales, the latest on Oct 23, 2026. PSA has graded 53 copies at PSA 9. Sales evidence is limited, so treat this value as a rough estimate.
TCGBerg Algorithm (estimated from recorded sales).
20 sales · latest Oct 23, 2026
- Population · PSA 9
- 53
- Market cap
- $5.4K
- Volatility
- 5.6%
- YTD
- ↑ 167.1%
- Sales evidence
- Limited
TCGBerg fair value · PSA 9
$103
Based on 20 recorded sales. Latest sale: Oct 23, 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 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. 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 9 sale, $150 on Oct 23, 2026, sits 46.0% above the $103 fair value. The value rests on 20 recorded PSA 9 sales. The latest sale ran above the recent run: the last 5 PSA 9 sales averaged $107, within 3.8% of the value. Its confidence band runs from $93 to $113. A PSA 10 ($526) is worth 5.1 times a PSA 9 ($103). Over the past 30 days the PSA 9 value has risen 17.3%. With limited 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
16 trackedEach sale against the grade's fair value on the day it sold.
| Date | Grade | Venue | Price | vs fair value |
|---|---|---|---|---|
| Oct 23, 2026 | PSA9 | eBay | $150 | above fair value by +63.1% |
| Oct 17, 2026 | PSA9 | eBay | $103 | above fair value by +10.4% |
| Oct 2, 2026 | PSA9 | eBay | $103 | above fair value by +15.8% |
| Sep 30, 2026 | PSA9 | eBay | $78 | below fair value by -11.9% |
| Sep 30, 2026 | PSA9 | eBay | $100 | above fair value by +12.9% |
- $150Oct 23, 2026 · via eBayPSA9↑above fair value by 63.1%
- $103Oct 17, 2026 · via eBayPSA9↑above fair value by 10.4%
- $103Oct 2, 2026 · via eBayPSA9↑above fair value by 15.8%
- $78Sep 30, 2026 · via eBayPSA9↓below fair value by 11.9%
- $100Sep 30, 2026 · via eBayPSA9↑above fair value by 12.9%
| Sep 28, 2026 | PSA8 | eBay | $41 | below fair value by -3.9% |
| Sep 25, 2026 | PSA9 | eBay | $95 | above fair value by +13.3% |
| Sep 22, 2026 | PSA9 | eBay | $95 | above fair value by +13.3% |
- $41PSA8↓below fair value by 3.9%
- $95PSA9↑above fair value by 13.3%
- $95PSA9↑above fair value by 13.3%
11 more sales with Pro
Up to 20 recent sales, each with its venue and its gap to fair value.
↓Includes a sale 14.7% 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.
- CGC9.5$291d -7d -30d -
- Pop
- -
- Mcap
- -
- Evidence
- Sparse
- Last
- $29
- PSA10$5261d ·0.0%7d ·0.0%30d ↑9.9%
- Pop
- 29
- Mcap
- $15.3K
- Evidence
- Sparse
- Last
- $430
- PSA9$1031d ↑0.3%7d ↑0.1%30d ↑17.3%
- Pop
- 53
- Mcap
- $5.4K
- Evidence
- Limited
- Last
- $150
| CGC9.5 | $29 | - | - | - | - | - | - | Sparse | $296mo ago |
| PSA10 | $526 | 29 | $15.3K | 0.0% | 0.0% | ↑up 9.9% | ↑up 37.6% | Sparse | $4302mo ago |
| PSA9 | $103 | 53 | $5.4K | ↑up 0.3% | ↑up 0.1% | ↑up 17.3% | ↑up 29.6% | Limited | $1503w ago |
| PSA8 | $48 | 17 | $813 | 0.0% | 0.0% | ↑up 11.6% | ↑up 29.1% | Sparse | $412mo ago |
| PSA7 | $28 | 1 | $28 | 0.0% | 0.0% | ↓down 0.9% | ↓down 12.0% | Sparse | - |
| PSA6 | $27 | 6 | $161 | 0.0% | 0.0% | ↓down 0.4% | ↑up 11.2% | Sparse | $273mo ago |
| PSA5 | $25 | 1 | - | 0.0% | 0.0% | ↓down 0.9% | ↑up 14.7% | Sparse | - |
Graded population report
How Porygon'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.107 graded copies of Porygon Normal across 6 grades. The selected grade is highlighted.
PSA 9 makes up 50% of graded copies: 53 of 107. It’s the most common grade for this card.
Analysis
Porygon at PSA 10 carries a TCGBerg fair value of $526 as of 2026-11-14. We track a TCGBerg fair value across 7 grades from Red and Green Gift Set, from PSA 5 up to PSA 10. A graded population of 29 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 9.9%.