Xerneas GX #139, Secret, Sun & Moon - Forbidden Light
- Card number: #139/131
- Rarity: Secret Rare
- Finish: Holo
A PSA 10 Xerneas GX #139 Secret from Sun & Moon - Forbidden Light has a TCGBerg fair value of $1,100 as of Nov 15, 2026. TCGBerg has recorded 30 PSA 10 sales of this card, the latest on Nov 8, 2026. PSA has graded 189 copies at PSA 10.
TCGBerg Algorithm (estimated from recorded sales).
- Population · PSA 10
- 189
- Market cap
- $207.8K
- Volatility
- 2.6%
- YTD
- ↑ 387.1%
- Sales evidence
- Moderate
TCGBerg fair value · PSA 10
$1,100
Price history
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.
What the evidence says
The last PSA 10 sale, $896 on Nov 8, 2026, sits 18.5% below the $1,100 fair value. The value weighs 30 PSA 10 sales from the past year, not the latest one alone. The latest sale ran below the recent run: the last 5 PSA 10 sales averaged $1,107, within 0.6% of the value. Its confidence band runs from $994 to $1,205. A PSA 10 ($1,100) is worth 9.9 times a PSA 9 ($111). Over the past 30 days the PSA 10 value has risen 5.6%.
TCGBerg fair value by grade
Value at each grade and ungraded condition. Log scale. Tap a row to switch the whole page.
- Raw NM$68Ungraded · TCGBerg fair value
- Raw LP$58Ungraded · TCGBerg fair value
- Raw MP$50Ungraded · market price
- Raw HP$45Ungraded · TCGBerg fair value
- Raw Damaged$44Ungraded · 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.
- $896Nov 8, 2026 · via eBaybelow fair value by 19.0%
- $100Nov 6, 2026 · via eBayabove fair value by 13.2%
- $66Nov 5, 2026 · via tcgplayerRawbelow fair value by 3.2%
- $65Oct 29, 2026 · via tcgplayerRawbelow fair value by 5.0%
- $71Oct 29, 2026 · via tcgplayerRawabove fair value by 3.8%
15 more sales with Pro
Up to 20 recent sales, each with its venue and its gap to fair value.
Includes a sale 41.7% 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.
- $1,1001d 0.5%7d 0.6%30d 5.6%
- Pop
- 189
- Mcap
- $207.8K
- Evidence
- Moderate
- Last
- $896
- $1111d 1.2%7d 9.8%30d 12.3%
- Pop
- 153
- Mcap
- $16.9K
- Evidence
- Moderate
- Last
- $555
- $901d 0.0%7d 1.7%30d 44.3%
- Pop
- 33
- Mcap
- $3.0K
- Evidence
- Moderate
- Last
- $100
| Listings | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| $1,100 | 189 | $207.8K | up 0.5% | down 0.6% | up 5.6% | up 47.8% | Moderate | $8961w ago | ||
| $111 | 153 | $16.9K | down 1.2% | down 9.8% | up 12.3% | up 37.1% | Moderate | $5554w ago | ||
| $90 | 33 | $3.0K | 0.0% | up 1.7% | up 44.3% | up 60.8% | Moderate | $1001w ago | ||
| $49 | 12 | $590 | 0.0% | 0.0% | down 9.4% | down 3.4% | Sparse | $301y ago | ||
| $42 | 4 | $166 | 0.0% | 0.0% | down 1.2% | up 29.8% | Sparse | $388mo ago | ||
| $36 | 4 | - | 0.0% | 0.0% | up 1.7% | up 11.1% | Sparse | $268mo ago | ||
| Raw | $68 | - | - | - | up 0.2% | down 1.1% | - | Very strong | $661w ago |
PSA population report
395 graded copies of Xerneas GX Secret across 6 grades. The selected grade is highlighted.
PSA 10 makes up 48% of graded copies: 189 of 395. It’s the most common grade for this card.
Analysis
Xerneas GX - Secret at PSA 10 carries a TCGBerg fair value of $1,100 as of 2026-11-14. We track a TCGBerg fair value across 6 grades from Sun & Moon - Forbidden Light, from PSA 5 up to PSA 10. A graded population of 189 copies sits behind the PSA 10 grade. The PSA 10 valuation rests on moderate sales evidence. Over the past 30 days, the PSA 10 TCGBerg fair value has risen 5.6%.
