#4391
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✦ Chase Index #4391·Set rank #129
Ultra Necrozma-GX
Promo
SM BLACK STAR PROMOS·#SM126·FEB 2017·POKÉMON
DragonPromo
Current market price
$7.77
+1.8%
7d
+2.2%
All time
HOLOFOIL · TCGPLAYER · 2026-05-13
Sun & Moon
SM Black Star Promos - View full set →01 · All-time high
$7.77
9 snapshots
02 · All-time low
$7.60
since 2026-05-05
03 · Set rank
#129
of 251 in PR-SM
04 · Tracking since
2026-05-05
9 price snapshots
01 · Price history
9 snapshots
Building price history.
Daily market-price snapshots — every data point is a dated price reading, never an estimate.
Total return
+2.2%
Price range
$7.60 → $7.77
Snapshots
9
Tracking since
2026-05-05
02 · About this card
Card facts · attributes
SM Black Star Promos, tracked.
Ultra Necrozma-GX is a Promo from SM Black Star Promos, a Dragon-type Pokémon. Released FEB 2017.
Currently ranked #4391 on the Chase Index - our composite score across price, community chases, and page views.
Since first tracked, the price has appreciated 2.2% in total.
Card number
#SM126
Released
FEB 2017
Rarity
Promo
Type
Dragon
Supertype
Pokémon
Pokémon
Series
Sun & Moon
Market source
Market price · Updated daily
03 · Variants
1 variant
Different variants, different prices.
Holofoil, reverse, 1st edition — each variant trades at its own price band. The current market column is what feeds the index.
| Variant | Low | Mid | Market | High |
|---|---|---|---|---|
| Holofoilcurrent | $5.74 | $7.66 | $7.77 | $81.93 |
04 · Related cards
From the same set
More from SM Black Star Promos.
Top chases from the same expansion — ranked by Chase Index score.
05 · Same Pokémon
Cross-set · Necrozma
More Necrozma cards.
Other tracked cards featuring the same Pokémon, across every era it has appeared in.
View all Necrozma cards→
06 · Reference desk
Ultra Necrozma-GX, explained.
Everything about this card — the price, the variants, and how we track it.
3 questions answered
Q.01
Is Ultra Necrozma-GX from SM Black Star Promos a good investment?
We track prices, not provide investment advice. The Chase Index rank and price history above show how collector demand has moved since we started tracking this card.
Q.02
How is the market price determined?
We pull daily snapshots of the market price - the median of recent Near Mint sales. The current figure reflects the Holofoil variant.
Q.03
What does the Chase Index rank mean?
The Chase Index ranks cards on a composite score: 50% market price percentile, 30% community chases, 20% recent page views. A card near the top leads on all three dimensions.