► Set Guide · S6K

Jet-black Geist · Sealed Market Guide

Pokémon TCG · Japanese · S6K · Updated 2026-07-12

Jet-black Geist (S6K) is a Japanese Pokémon TCG expansion; the Moon Stone catalog carries the booster box from this set.

Daily market tracking runs December 2024 to July 2026 (550 observations); the market price has risen 9.4% over the past year.

TCGplayer Market Price
$103.21
as of 2026-07-12 · prices refresh daily
Stable0.0% 30d
$104$98$92$86DEC 2024JUN 2025DEC 2025JUL 2026$103.21
Daily TCGplayer Market Price, December 2024 – July 2026 · 550 daily captures · Moon Stone data.
90-day change
▲ 7.4%
1-year change
▲ 9.4%
Tracked high / low
$103 / $88
Typical daily swing (90d)
±0.4%

Signals and price movement are market context only, not advice or a guarantee of future value.

WindowChangeHigh / LowTypical swing
30 days 0.0% $103 / $103 ±0.0%
90 days ▲ 7.4% $103 / $96 ±0.4%
1 year ▲ 9.4% $103 / $94 ±0.3%
Full window ▲ 12.2% $103 / $88 ±0.3%

The market price has risen 12.2% across the tracked window (December 2024 to July 2026).

Daily movement has been widest in December 2024 (typical swing ±0.8%) and calmest in July 2026 (±0.0%).

Largest single moves between daily captures: +3.7% (Jun 4, 2026) and -2.2% (Dec 12, 2024).

Peer context: across the 31 other Japanese booster boxes Moon Stone tracks, the median one-year move is +60.3%; Jet-black Geist rose 9.4% over the same window.

Signals and price movement are market context only, not advice or a guarantee of future value.

ZERAORA VZeraora V card

Zeraora V

074/070 · Super Rare

$79

CAITLINCaitlin card

Caitlin

080/070 · Super Rare

$59

BLISSEY VBlissey V card

Blissey V

079/070 · Super Rare

$34

SHADOW RIDER CShadow Rider Calyrex V card

Shadow Rider Calyrex V

076/070 · Super Rare

$25

CAITLINCaitlin card

Caitlin

088/070 · Hyper Rare

$23

METAGROSS VMAXMetagross VMAX card

Metagross VMAX

087/070 · Hyper Rare

$16

SHADOW RIDER CShadow Rider Calyrex VMAX card

Shadow Rider Calyrex VMAX

085/070 · Hyper Rare

$15

PEONIAPeonia card

Peonia

082/070 · Super Rare

$14

Single-card values are market estimates for context only, from the Moon Stone singles index as published on 2026-07-12. They are not advice and not a guarantee of any pull or resale value.

Buying happens through membership. One annual fee, and every box in the catalog is listed at the live TCGplayer Market Price.

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What is the Jet-black Geist booster box market price today?

As of 2026-07-12, the TCGplayer Market Price for Jet-Black Geist Booster Box is $103.21. Moon Stone lists the catalog product at that market price, refreshed daily; members order through Moon Stone.

Is Jet-black Geist worth buying in 2026?

That call belongs to each collector, and Moon Stone does not make it. Signals and price movement are market context only, not advice or a guarantee of future value. The tracked data: the market price has held roughly stable over the tracked window. Across the tracked window the market price has ranged $103 to $88 (high to low).

What are the chase cards in Jet-black Geist?

The chase pulls tracked for this set include Shadow Rider Calyrex VMAX, Zeraora V, Caitlin. The top listed pull is valued around $79 on current market data.

How does Moon Stone price Jet-black Geist product?

The catalog price is pegged to TCGplayer Market Price and refreshes daily. The discipline is simple: Moon Stone does not add a markup above that market number; membership is how the business works.

Signals and price movement are market context only, not advice or a guarantee of future value. Moon Stone does not provide financial advice or guarantee product appreciation, resale value, or liquidity.

Market data: TCGplayer Market Price, from daily archive history (TCGCSV) plus Moon Stone's own daily capture. Tracked window begins 2024-12-11; figures reflect the tracked window only. Market Price is a single-venue, transaction-derived figure and can move in steps on thin sealed listings. The signal chip reflects the 30-day window only, in the same closed vocabulary the Moon Stone catalog uses.