Riolu #10, Mega Evolution Elite Trainer Box-Mega Lucario, MEP Black Star Promos
- Card number: #10
- ·Rarity: Promo
- ·Finish: Non-Holo
A PSA 10 Riolu #10 Mega Evolution Elite Trainer Box-Mega Lucario from MEP Black Star Promos has a TCGBerg fair value of $113 as of Nov 15, 2026. TCGBerg has recorded 351 PSA 10 sales of this card, the latest on Nov 11, 2026. PSA has graded 1,737 copies at PSA 10.
TCGBerg Algorithm (estimated from recorded sales).
- Population · PSA 10
- 1,737
- Market cap
- $196.2K
- Volatility
- 9.1%
- YTD
- ↑ 10.7%
- Sales evidence
- Very strong
TCGBerg fair value · PSA 10
$113
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, $110 on Nov 11, 2026, is in line with the $113 fair value (2.6% below). The value weighs 30 PSA 10 sales from the past year, not the latest one alone. Its confidence band runs from $109 to $117. A PSA 10 ($113) is worth 4.5 times a PSA 9 ($25). Over the past 30 days the PSA 10 value has fallen 20.9%.
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
20 trackedEach sale against the grade's fair value on the day it sold.
| Date | Grade | Venue | Price | vs fair value |
|---|---|---|---|---|
| Nov 12, 2026 | PSA8 | eBay | $19 | above fair value by +10.5% |
| Nov 11, 2026 | PSA10 | eBay | $110 | below fair value by -2.6% |
| Nov 10, 2026 | PSA10 | eBay | $110 | below fair value by -2.6% |
| Nov 9, 2026 | PSA9 | eBay | $18 | below fair value by -28.3% |
| Nov 9, 2026 | PSA10 | eBay | $93 | below fair value by -17.7% |
- $19Nov 12, 2026 · via eBayPSA8↑above fair value by 10.5%
- $110Nov 11, 2026 · via eBayPSA10↓below fair value by 2.6%
- $110Nov 10, 2026 · via eBayPSA10↓below fair value by 2.6%
- $18Nov 9, 2026 · via eBayPSA9↓below fair value by 28.3%
- $93Nov 9, 2026 · via eBayPSA10↓below fair value by 17.7%
| Nov 8, 2026 | PSA9 | eBay | $32 | above fair value by +24.2% |
| Nov 8, 2026 | PSA10 | eBay | $85 | below fair value by -29.8% |
| Nov 7, 2026 | PSA8 | eBay | $10 | below fair value by -35.7% |
- $32PSA9↑above fair value by 24.2%
- $85PSA10↓below fair value by 29.8%
- $10PSA8↓below fair value by 35.7%
15 more sales with Pro
Up to 20 recent sales, each with its venue and its gap to fair value.
↓Includes a sale 48.5% 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$1131d ↑0.1%7d ↓14.9%30d ↓20.9%
- Pop
- 1,737
- Mcap
- $196.2K
- Evidence
- Very strong
- Last
- $110
- PSA9$251d ·0.0%7d ↓0.8%30d ↑8.3%
- Pop
- 5,209
- Mcap
- $130.7K
- Evidence
- Very strong
- Last
- $18
- PSA8$171d ↑4.7%7d ↑2.1%30d ↓6.1%
- Pop
- 1,698
- Mcap
- $29.2K
- Evidence
- Very strong
- Last
- $19
| PSA10 | $113 | 1,737 | $196.2K | ↑up 0.1% | ↓down 14.9% | ↓down 20.9% | ↓down 40.5% | Very strong | $1104d ago |
| PSA9 | $25 | 5,209 | $130.7K | 0.0% | ↓down 0.8% | ↑up 8.3% | ↓down 0.9% | Very strong | $186d ago |
| PSA8 | $17 | 1,698 | $29.2K | ↑up 4.7% | ↑up 2.1% | ↓down 6.1% | ↑up 3.7% | Very strong | $193d ago |
| PSA7 | $13 | 240 | $3.0K | 0.0% | ↓down 2.0% | ↑up 13.5% | ↑up 0.6% | Moderate | $8.002mo ago |
| PSA6 | $12 | 40 | $470 | 0.0% | ↓down 3.8% | ↑up 10.2% | ↑up 16.2% | Moderate | $161mo ago |
PSA population report
How Riolu'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.8,924 graded copies of Riolu Mega Evolution Elite Trainer Box-Mega Lucario across 5 grades. The selected grade is highlighted.
PSA 10 makes up 19% of graded copies: 1,737 of 8,924. PSA 9 is the most common grade (58%).
Analysis
Riolu - Mega Evolution Elite Trainer Box-Mega Lucario at PSA 10 carries a TCGBerg fair value of $113 as of 2026-11-14. We track a TCGBerg fair value across 5 grades from MEP Black Star Promos, from PSA 6 up to PSA 10. A graded population of 1,737 copies sits behind the PSA 10 grade. The PSA 10 valuation rests on very strong sales evidence. Over the past 30 days, the PSA 10 TCGBerg fair value has fallen 20.9%.