poliwag #21, 1st Edition, Split Earth
Japanese edition
- Card number: #21/88
- ·Rarity: Common
- ·Finish: Non-Holo
A PSA 10 poliwag #21 1st Edition from Split Earth has a TCGBerg fair value of $246 as of Nov 15, 2026. TCGBerg has recorded 8 PSA 10 sales of this card, the latest on Oct 22, 2026. PSA has graded 32 copies at PSA 10.
TCGBerg Algorithm (estimated from recorded sales).
- Population · PSA 10
- 32
- Market cap
- $7.9K
- Volatility
- 2.7%
- YTD
- ↑ 209.0%
- Sales evidence
- Moderate
TCGBerg fair value · PSA 10
$246
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, $245 on Oct 22, 2026, is in line with the $246 fair value (0.6% below). The value weighs 8 PSA 10 sales from the past year, not the latest one alone. Its confidence band runs from $218 to $275. A PSA 10 ($246) is worth 4.2 times a PSA 9 ($58). Over the past 30 days the PSA 10 value has risen 9.1%.
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$20Ungraded · market price
- Raw HP$15Ungraded · market price
- Raw LP$15Ungraded · 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
18 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 | $60 | above fair value by +6.9% |
| Oct 22, 2026 | PSA10 | eBay | $245 | above fair value by +0.6% |
| Oct 14, 2026 | PSA10 | eBay | $236 | above fair value by +1.6% |
| Oct 12, 2026 | PSA6 | eBay | $32 | above fair value by +19.9% |
| Oct 3, 2026 | PSA10 | eBay | $236 | above fair value by +5.6% |
- $60Oct 23, 2026 · via eBayPSA9↑above fair value by 6.9%
- $245Oct 22, 2026 · via eBayPSA10↑above fair value by 0.6%
- $236Oct 14, 2026 · via eBayPSA10↑above fair value by 1.6%
- $32Oct 12, 2026 · via eBayPSA6↑above fair value by 19.9%
- $236Oct 3, 2026 · via eBayPSA10↑above fair value by 5.6%
| Sep 26, 2026 | PSA10 | eBay | $165 | below fair value by -16.7% |
| Sep 11, 2026 | PSA9 | eBay | $60 | above fair value by +22.1% |
| Sep 2, 2026 | PSA8 | eBay | $30 | below fair value by -7.0% |
- $165PSA10↓below fair value by 16.7%
- $60PSA9↑above fair value by 22.1%
- $30PSA8↓below fair value by 7.0%
13 more sales with Pro
Up to 20 recent sales, each with its venue and its gap to fair value.
↓Includes a sale 39.6% 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.
- CGC Gem Mint 10$311d -7d -30d -
- Pop
- -
- Mcap
- -
- Evidence
- Sparse
- Last
- $32
- CGC9.5$191d -7d -30d -
- Pop
- -
- Mcap
- -
- Evidence
- Sparse
- Last
- $19
- PSA10$2461d ·0.0%7d ↑0.6%30d ↑9.1%
- Pop
- 32
- Mcap
- $7.9K
- Evidence
- Moderate
- Last
- $245
| Listings | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| CGC Gem Mint 10 | $31 | - | - | - | - | - | - | Sparse | $3211mo ago | |
| CGC9.5 | $19 | - | - | - | - | - | - | Sparse | $191y ago | |
| PSA10 | $246 | 32 | $7.9K | 0.0% | ↑up 0.6% | ↑up 9.1% | ↑up 2.4% | Moderate | $2453w ago | |
| PSA9 | $58 | 19 | $1.1K | ↑up 0.3% | ↑up 0.3% | ↑up 10.8% | ↑up 34.4% | Sparse | $603w ago | |
| PSA8 | $38 | 8 | $308 | ↑up 0.5% | ↑up 0.5% | ↓down 2.5% | ↓down 4.9% | Limited | $302mo ago | |
| PSA7 | $26 | 3 | $79 | 0.0% | ↑up 0.1% | ↓down 0.2% | ↑up 9.6% | Sparse | $134mo ago | |
| PSA6 | $26 | 1 | $26 | 0.0% | ↓down 0.1% | ↓down 0.3% | ↑up 50.0% | Sparse | $321mo ago | |
| Raw | $20 | - | - | 0.0% | 0.0% | 0.0% | ↑up 0.8% | - | $204mo ago |
PSA population report
How poliwag'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.63 graded copies of poliwag 1st Edition across 5 grades. The selected grade is highlighted.
PSA 10 makes up 51% of graded copies: 32 of 63. It’s the most common grade for this card.
Analysis
poliwag - 1st Edition Normal at PSA 10 carries a TCGBerg fair value of $246 as of 2026-11-14. We track a TCGBerg fair value across 7 grades from Split Earth, from CGC 9.5 up to PSA 10. A graded population of 32 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 9.1%.
