Holon's Voltorb #31, Unlimited, Holon Research Tower
Japanese edition
- Card number: #31
- ·Rarity: Uncommon
- ·Finish: Non-Holo
A PSA 9 Holon's Voltorb #31 Unlimited from Holon Research Tower has a TCGBerg fair value of $26 as of Nov 15, 2026. PSA has graded 1 copy at PSA 9. Sales evidence is sparse, so treat this value as a rough estimate.
TCGBerg Algorithm (estimated from recorded sales).
- Population · PSA 9
- 1
- Market cap
- $26
- Volatility
- 8.9%
- YTD
- ↑ 109.6%
- Sales evidence
- Sparse
TCGBerg fair value · PSA 9
$26
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 9. 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.
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.
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.
- PSA9$261d ·0.0%7d ·0.0%30d ↓6.8%
- Pop
- 1
- Mcap
- $26
- Evidence
- Sparse
- Last
- -
| PSA9 | $26 | 1 | $26 | 0.0% | 0.0% | ↓down 6.8% | ↓down 6.4% | Sparse | - |
PSA population report
How Holon's Voltorb'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.1 graded copies of Holon's Voltorb Unlimited across 1 grades. The selected grade is highlighted.
PSA 9 makes up 100% of graded copies: 1 of 1. It’s the most common grade for this card.
Analysis
Holon's Voltorb - Unlimited Normal at PSA 9 carries a TCGBerg fair value of $26 as of 2026-11-14. A graded population of 1 copies sits behind the PSA 9 grade. The PSA 9 valuation rests on sparse sales evidence. Over the past 30 days, the PSA 9 TCGBerg fair value has fallen 6.8%.
PSA 9 - frequently asked
How much is a PSA 9 Holon's Voltorb - Unlimited Normal from Holon Research Tower worth?
What is the graded population of a PSA 9 Holon's Voltorb - Unlimited Normal from Holon Research Tower?
How has the PSA 9 Holon's Voltorb - Unlimited Normal from Holon Research Tower price moved recently?
Another printing of Holon's Voltorb #31 from Holon Research Tower, 1st Edition, is valued at $124 at its highest valued grade.