#4139
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✦ Chase Index #4139·Set rank #47
Fire Crystal
Rare Secret
UNBROKEN BONDS·#231·MAY 2019·TRAINER
Rare Secret
Current market price
$8.72
+3.3%
7d
+5.8%
All time
HOLOFOIL · TCGPLAYER · 2026-05-13
Sun & Moon
Unbroken Bonds - View full set →01 · All-time high
$8.72
10 snapshots
02 · All-time low
$8.24
since 2026-05-04
03 · Set rank
#47
of 238 in UNB
04 · Tracking since
2026-05-04
10 price snapshots
01 · Price history
10 snapshots
Building price history.
Daily market-price snapshots — every data point is a dated price reading, never an estimate.
Total return
+5.8%
Price range
$8.24 → $8.72
Snapshots
10
Tracking since
2026-05-04
02 · About this card
Card facts · attributes
Unbroken Bonds, tracked.
Fire Crystal is a Rare Secret from Unbroken Bonds. Released MAY 2019.
Currently ranked #4139 on the Chase Index - our composite score across price, community chases, and page views.
Since first tracked, the price has appreciated 5.8% in total.
Card number
#231
Released
MAY 2019
Rarity
Rare Secret
Supertype
Trainer
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 | $7.01 | $9.37 | $8.72 | $96.95 |
04 · Related cards
From the same set
More from Unbroken Bonds.
Top chases from the same expansion — ranked by Chase Index score.
06 · Reference desk
Fire Crystal, explained.
Everything about this card — the price, the variants, and how we track it.
3 questions answered
Q.01
Is Fire Crystal from Unbroken Bonds 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.