Mega Diancie EX #227, Ultra Rare, MEGA Dream ex
Japanese edition
- Card number: #227
- ·Finish: Holo
A PSA 10 Mega Diancie EX #227 Ultra Rare from MEGA Dream ex has a TCGBerg fair value of $35 as of Nov 15, 2026. TCGBerg has recorded 489 PSA 10 sales of this card, the latest on Nov 12, 2026. PSA has graded 15,611 copies at PSA 10.
TCGBerg Algorithm (estimated from recorded sales).
- Population · PSA 10
- 15,611
- Market cap
- $549.8K
- Volatility
- 2.8%
- YTD
- -
- Sales evidence
- Very strong
TCGBerg fair value · PSA 10
$35
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, $18 on Nov 12, 2026, sits 50.3% below the $35 fair value. The value weighs 29 PSA 10 sales from the past year, not the latest one alone. Its confidence band runs from $33 to $37. A PSA 10 ($35) is worth 1.8 times a PSA 9 ($20).
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$4.36Ungraded · market price
- Raw MP$4.00Ungraded · market price
- Raw NM$3.65Ungraded · 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
20 trackedEach sale against the grade's fair value on the day it sold.
| Date | Grade | Venue | Price | vs fair value |
|---|---|---|---|---|
| Nov 12, 2026 | PSA10 | eBay | $18 | below fair value by -50.3% |
| Nov 12, 2026 | PSA10 | eBay | $24 | below fair value by -31.3% |
| Nov 11, 2026 | PSA10 | eBay | $35 | below fair value by -0.6% |
| Nov 10, 2026 | PSA10 | eBay | $741 | above fair value by +2002.6% |
| Nov 9, 2026 | PSA10 | eBay | $44 | above fair value by +25.8% |
- $18Nov 12, 2026 · via eBayPSA10↓below fair value by 50.3%
- $24Nov 12, 2026 · via eBayPSA10↓below fair value by 31.3%
- $35Nov 11, 2026 · via eBayPSA10↓below fair value by 0.6%
- $741Nov 10, 2026 · via eBayPSA10↑above fair value by 2002.6%
- $44Nov 9, 2026 · via eBayPSA10↑above fair value by 25.8%
| Nov 8, 2026 | PSA10 | eBay | $47 | above fair value by +29.5% |
| Nov 8, 2026 | PSA10 | eBay | $24 | below fair value by -35.2% |
| Nov 8, 2026 | PSA10 | eBay | $25 | below fair value by -32.5% |
- $47PSA10↑above fair value by 29.5%
- $24PSA10↓below fair value by 35.2%
- $25PSA10↓below fair value by 32.5%
15 more sales with Pro
Up to 20 recent sales, each with its venue and its gap to fair value.
↓Includes a sale 40.8% 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$351d ↓0.2%7d ↓2.4%30d -
- Pop
- 15,611
- Mcap
- $549.8K
- Evidence
- Very strong
- Last
- $18
- PSA9$201d ↓0.6%7d ↓0.9%30d -
- Pop
- 1,075
- Mcap
- $21.2K
- Evidence
- Strong
- Last
- $13
- PSA8$171d ↓0.6%7d ↓4.8%30d -
- Pop
- 116
- Mcap
- $2.0K
- Evidence
- Sparse
- Last
- $14
| PSA10 | $35 | 15,611 | $549.8K | ↓down 0.2% | ↓down 2.4% | - | - | Very strong | $183d ago |
| PSA9 | $20 | 1,075 | $21.2K | ↓down 0.6% | ↓down 0.9% | - | - | Strong | $133w ago |
| PSA8 | $17 | 116 | $2.0K | ↓down 0.6% | ↓down 4.8% | - | - | Sparse | $142mo ago |
| PSA7 | $15 | 20 | $306 | 0.0% | ↓down 0.2% | - | - | Sparse | $154w ago |
| PSA6 | $7.50 | 10 | $75 | 0.0% | 0.0% | - | - | Sparse | $7.505mo ago |
| Raw | $3.65 | - | - | ↑up 1.1% | ↓down 1.9% | ↓down 3.2% | ↓down 15.9% | - | - |
PSA population report
How Mega Diancie EX'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.16,832 graded copies of Mega Diancie EX Ultra Rare across 5 grades. The selected grade is highlighted.
PSA 10 makes up 93% of graded copies: 15,611 of 16,832. It’s the most common grade for this card.
Analysis
Mega Diancie EX - Ultra Rare at PSA 10 carries a TCGBerg fair value of $35 as of 2026-11-14. We track a TCGBerg fair value across 5 grades from MEGA Dream ex, from PSA 6 up to PSA 10. A graded population of 15,611 copies sits behind the PSA 10 grade. The PSA 10 valuation rests on very strong sales evidence.