Slowpoke #18, Reverse Holo, Prismatic Evolutions
- Card number: #18/131
- ·Rarity: Common
A PSA 10 Slowpoke #18 Reverse Holo from Prismatic Evolutions has a TCGBerg fair value of $121 as of Nov 14, 2026. TCGBerg has recorded 4 PSA 10 sales of this card, the latest on Aug 31, 2026. PSA has graded 10 copies at PSA 10.
TCGBerg Algorithm (estimated from recorded sales).
- Population · PSA 10
- 10
- Market cap
- $1.2K
- Volatility
- 1.9%
- YTD
- -
- Sales evidence
- Moderate
TCGBerg fair value · PSA 10
$121
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, $130 on Aug 31, 2026, sits 7.6% above the $121 fair value. The value weighs 4 PSA 10 sales from the past year, not the latest one alone. Its confidence band runs from $105 to $137. A PSA 10 ($121) is worth 6.4 times a PSA 9 ($19). Over the past 30 days the PSA 10 value has risen 5.7%.
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 LP$0.21Ungraded · market price
- Raw NM$0.20Ungraded · market price
- Raw MP$0.18Ungraded · 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
7 trackedEach sale against the grade's fair value on the day it sold.
| Date | Grade | Venue | Price | vs fair value |
|---|---|---|---|---|
| Sep 18, 2026 | PSA9 | eBay | $15 | below fair value by -14.7% |
| Aug 31, 2026 | PSA10 | eBay | $130 | above fair value by +11.7% |
| Jul 29, 2026 | PSA9 | eBay | $15 | below fair value by -1.9% |
| Jul 22, 2026 | PSA10 | eBay | $85 | below fair value by -1.8% |
| May 29, 2026 | PSA10 | eBay | $78 | below fair value by -18.2% |
- $15Sep 18, 2026 · via eBayPSA9↓below fair value by 14.7%
- $130Aug 31, 2026 · via eBayPSA10↑above fair value by 11.7%
- $15Jul 29, 2026 · via eBayPSA9↓below fair value by 1.9%
- $85Jul 22, 2026 · via eBayPSA10↓below fair value by 1.8%
- $78May 29, 2026 · via eBayPSA10↓below fair value by 18.2%
| May 8, 2026 | PSA9 | eBay | $12 | below fair value by -14.7% |
| Apr 12, 2026 | PSA10 | eBay | $125 | at fair value by 0.0% |
- $12PSA9↓below fair value by 14.7%
- $125PSA10·at fair value by 0.0%
2 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.
- PSA10$1211d ↑0.6%7d ↑1.0%30d ↑5.7%
- Pop
- 10
- Mcap
- $1.2K
- Evidence
- Moderate
- Last
- $130
- PSA9$191d ↓0.7%7d ↓0.6%30d ↑6.9%
- Pop
- 19
- Mcap
- $360
- Evidence
- Sparse
- Last
- $15
- PSA8$171d ↓0.5%7d ↑0.3%30d ↑6.4%
- Pop
- 4
- Mcap
- $69
- Evidence
- Sparse
- Last
- -
| Listings | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| PSA10 | $121 | 10 | $1.2K | ↑up 0.6% | ↑up 1.0% | ↑up 5.7% | ↑up 32.4% | Moderate | $1303mo ago | |
| PSA9 | $19 | 19 | $360 | ↓down 0.7% | ↓down 0.6% | ↑up 6.9% | ↑up 24.6% | Sparse | $152mo ago | |
| PSA8 | $17 | 4 | $69 | ↓down 0.5% | ↑up 0.3% | ↑up 6.4% | ↑up 22.8% | Sparse | - | |
| PSA7 | $16 | 0 | - | ↓down 0.2% | ↑up 1.2% | ↑up 5.9% | ↑up 20.9% | Sparse | - | |
| PSA6 | $14 | 0 | - | ↑up 0.1% | ↑up 2.2% | ↑up 5.5% | ↑up 19.3% | Sparse | - | |
| Raw | $0.20 | - | - | ↓down 4.8% | ↓down 13.0% | ↓down 9.1% | ↓down 4.8% | - | - |
PSA population report
How Slowpoke'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.33 graded copies of Slowpoke Reverse Holo across 3 grades. The selected grade is highlighted.
PSA 10 makes up 30% of graded copies: 10 of 33. PSA 9 is the most common grade (58%).
Analysis
Slowpoke - Reverse Holo at PSA 10 carries a TCGBerg fair value of $121 as of 2026-11-14. We track a TCGBerg fair value across 5 grades from Prismatic Evolutions, from PSA 6 up to PSA 10. A graded population of 10 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 5.7%.
