Goop Gas Attack #T56, Normal, Rocket Gang
Japanese edition
- Card number: #T56
- Rarity: Common
- Finish: Non-Holo
A PSA 9 Goop Gas Attack #T56 Normal from Rocket Gang has a TCGBerg fair value of $35 as of Nov 15, 2026. TCGBerg has recorded 14 PSA 9 sales of this card, the latest on Oct 28, 2026. PSA has graded 100 copies at PSA 9.
TCGBerg Algorithm (estimated from recorded sales).
- Population · PSA 9
- 100
- Market cap
- $3.5K
- Volatility
- 4.3%
- YTD
- ↑ 78.5%
- Sales evidence
- Strong
TCGBerg fair value · PSA 9
$35
Price history
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.
What the evidence says
The last PSA 9 sale, $40 on Oct 28, 2026, sits 14.3% above the $35 fair value. The value weighs 14 PSA 9 sales from the past year, not the latest one alone. The latest sale ran above the recent run: the last 5 PSA 9 sales averaged $34, within 2.4% of the value. Its confidence band runs from $33 to $37. A PSA 10 ($236) is worth 6.7 times a PSA 9 ($35). Over the past 30 days the PSA 9 value has risen 18.5%.
TCGBerg fair value by grade
Value at each grade and ungraded condition. Log scale. Tap a row to switch the whole page.
- Raw MP$0.69Ungraded · market price
- Raw NM$0.61Ungraded · market price
- Raw LP$0.60Ungraded · market price
- Raw HP$0.36Ungraded · market price
- Raw Damaged$0.25Ungraded · market price
Behind the scenes
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.
- $389Nov 5, 2026 · via eBayabove fair value by 64.9%
- $13Oct 31, 2026 · via eBay-
- $40Oct 28, 2026 · via eBayabove fair value by 14.0%
- $39Oct 17, 2026 · via eBayabove fair value by 17.9%
- $198Oct 12, 2026 · via Fanatics Collectbelow fair value by 8.6%
15 more sales with Pro
Up to 20 recent sales, each with its venue and its gap to fair value.
Includes a sale 33.9% 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.
- $2361d 0.1%7d 0.1%30d 8.9%
- Pop
- 67
- Mcap
- $15.8K
- Evidence
- Limited
- Last
- $389
- $351d 0.1%7d 1.1%30d 18.5%
- Pop
- 100
- Mcap
- $3.5K
- Evidence
- Strong
- Last
- $40
- $241d 0.1%7d 0.0%30d 2.8%
- Pop
- 24
- Mcap
- $583
- Evidence
- Limited
- Last
- $25
| $236 | 67 | $15.8K | up 0.1% | down 0.1% | up 8.9% | up 12.6% | Limited | $3891w ago | |
| $35 | 100 | $3.5K | down 0.1% | up 1.1% | up 18.5% | up 35.4% | Strong | $403w ago | |
| $24 | 24 | $583 | up 0.1% | 0.0% | down 2.8% | up 16.9% | Limited | $256mo ago | |
| $23 | 10 | $228 | 0.0% | up 0.3% | down 2.9% | up 11.5% | Sparse | $223mo ago | |
| $12 | 5 | $62 | up 0.1% | up 0.1% | up 1.0% | down 39.6% | Sparse | $7.502mo ago | |
| $10 | 6 | - | 0.0% | 0.0% | down 16.5% | down 17.9% | Sparse | - | |
| Raw | $0.61 | - | - | 0.0% | 0.0% | down 6.2% | down 25.6% | - | - |
PSA population report
212 graded copies of Goop Gas Attack Normal across 6 grades. The selected grade is highlighted.
PSA 9 makes up 47% of graded copies: 100 of 212. It’s the most common grade for this card.
Analysis
Goop Gas Attack - Normal at PSA 10 carries a TCGBerg fair value of $236 as of 2026-11-14. We track a TCGBerg fair value across 6 grades from Rocket Gang, from PSA 5 up to PSA 10. A graded population of 67 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 risen 8.9%.