Computer Error-Glossy #CC09, CoroCoro Promo, Japanese CoroCoro Comics Promos
Japanese edition
- Card number: #CC09
- ·Rarity: Promo
- ·Finish: Promo
A PSA 8 Computer Error-Glossy #CC09 CoroCoro Promo from Japanese CoroCoro Comics Promos has a TCGBerg fair value of $126 as of Nov 15, 2026. TCGBerg has recorded 23 PSA 8 sales of this card, the latest on Oct 8, 2026. PSA has graded 247 copies at PSA 8.
TCGBerg Algorithm (estimated from recorded sales).
- Population · PSA 8
- 247
- Market cap
- $31.0K
- Volatility
- 3.0%
- YTD
- ↑ 551.9%
- Sales evidence
- Moderate
TCGBerg fair value · PSA 8
$126
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 8. 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 8 sale, $200 on Oct 8, 2026, sits 59.1% above the $126 fair value. The value weighs 23 PSA 8 sales from the past year, not the latest one alone. The latest sale ran above the recent run: the last 5 PSA 8 sales averaged $125, within 0.8% of the value. Its confidence band runs from $108 to $144. A PSA 10 ($2,481) is worth 6.3 times a PSA 9 ($395). Over the past 30 days the PSA 8 value has risen 5.8%.
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 |
|---|---|---|---|---|
| Oct 16, 2026 | PSA7 | eBay | $68 | below fair value by -13.8% |
| Oct 12, 2026 | PSA10 | Goldin | $2,684 | above fair value by +6.3% |
| Oct 10, 2026 | PSA6 | eBay | $65 | above fair value by +9.8% |
| Oct 8, 2026 | PSA8 | eBay | $200 | above fair value by +75.9% |
| Oct 6, 2026 | PSA7 | eBay | $72 | below fair value by -7.1% |
- $68Oct 16, 2026 · via eBayPSA7↓below fair value by 13.8%
- $2,684Oct 12, 2026 · via GoldinPSA10↑above fair value by 6.3%
- $65Oct 10, 2026 · via eBayPSA6↑above fair value by 9.8%
- $200Oct 8, 2026 · via eBayPSA8↑above fair value by 75.9%
- $72Oct 6, 2026 · via eBayPSA7↓below fair value by 7.1%
| Oct 5, 2026 | PSA9 | Fanatics Collect | $228 | below fair value by -40.0% |
| Oct 3, 2026 | PSA8 | eBay | $195 | above fair value by +112.2% |
| Sep 30, 2026 | PSA8 | eBay | $61 | below fair value by -33.6% |
- $228PSA9↓below fair value by 40.0%
- $195PSA8↑above fair value by 112.2%
- $61PSA8↓below fair value by 33.6%
15 more sales with Pro
Up to 20 recent sales, each with its venue and its gap to fair value.
↓Includes a sale 40.0% 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$421d -7d -30d -
- Pop
- -
- Mcap
- -
- Evidence
- Sparse
- Last
- $41
- PSA10$2,4811d ·0.0%7d ·0.0%30d ↓2.5%
- Pop
- 39
- Mcap
- $96.8K
- Evidence
- Limited
- Last
- $2,684
- PSA9$3951d ·0.0%7d ↓1.6%30d ↑3.3%
- Pop
- 224
- Mcap
- $88.4K
- Evidence
- Limited
- Last
- $228
| CGC Gem Mint 10 | $42 | - | - | - | - | - | - | Sparse | $411y ago |
| PSA10 | $2,481 | 39 | $96.8K | 0.0% | 0.0% | ↓down 2.5% | ↓down 11.3% | Limited | $2,6841mo ago |
| PSA9 | $395 | 224 | $88.4K | 0.0% | ↓down 1.6% | ↑up 3.3% | ↑up 0.8% | Limited | $2281mo ago |
| PSA8 | $126 | 247 | $31.0K | 0.0% | ↓down 0.9% | ↑up 5.8% | ↑up 79.8% | Moderate | $2001mo ago |
| PSA7 | $84 | 113 | $9.5K | 0.0% | 0.0% | ↑up 8.3% | ↑up 35.5% | Limited | $681mo ago |
| PSA6 | $57 | 37 | $2.1K | 0.0% | 0.0% | ↓down 3.0% | ↑up 2.1% | Strong | $651mo ago |
| PSA5 | $39 | 32 | - | 0.0% | 0.0% | ↓down 0.4% | ↑up 37.2% | Limited | $512mo ago |
Graded population report
How Computer Error-Glossy'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.718 graded copies of Computer Error-Glossy CoroCoro Promo across 11 grades. The selected grade is highlighted.
PSA 8 makes up 34% of graded copies: 247 of 718. It’s the most common grade for this card.
Analysis
Computer Error-Glossy - COROCORO PROMO at PSA 10 carries a TCGBerg fair value of $2,481 as of 2026-11-14. We track a TCGBerg fair value across 7 grades from Japanese CoroCoro Comics Promos, from PSA 5 up to PSA 10. A graded population of 39 copies sits behind the PSA 10 grade. The PSA 10 valuation rests on limited sales evidence. Over the past 30 days, the PSA 10 TCGBerg fair value has fallen 2.5%.