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Mermail King - Neptabyss (Secret Rare)
Yu-Gi-Oh · Secret Rare

Mermail King - Neptabyss (Secret Rare)

$0.33
-$0.03-8.3% · 30D
Aggregated from verified sold data · eBay, TCGplayer & PriceCharting
Where these prices come from

Yu-Gi-Oh prices on TCGIndex are TCGplayer market prices (the US market), in US dollars, with graded and sold prices from PriceCharting and eBay. Another currency is a conversion from USD at the day's rate, not a European market price. We do not use Cardmarket or Cardtrader prices for Yu-Gi-Oh.

Market Health
Neutral
Softening
Confidence
74/100
Reliable
Liquidity
Medium
Moderate activity
Verified Sales
48
Updated 2h ago
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Model signal
Before the price moves

We find the Yu-Gi-Oh cards about to rise.

Every night the model scores every Yu-Gi-Oh! card on the market. Every morning at 07:30 UTC it publishes the one most likely to gain 10% within 30 days, with its entry price and the reasons, then scores it in public.

See today’s Yu-Gi-Oh! pick

Published this morning, public in 14 days. Full record

Price & Volume
Market price Sales volume
Jul 2026 – today
Sales & Liquidity
Market Price$0.33
7-Day Change-10.8%
90-Day Change+32.0%
LiquidityMedium
Market TrendFalling
Price by Grade
BGS 10$45·
PSA 10$35·
SGC 10$21·
CGC 10$14·
PSA 9$7·
Raw· 48 sales$1▼
Price by Condition · 2
Anchored to market price · condition spread from TCGplayer
Near Mint
Limited · English
$0.33
-10.8%
Lightly Played
Limited · English
$0.34
+3.0%

Mermail King - Neptabyss (Secret Rare) price history

Near Mint market priceon the dates below, from TCGIndex's daily record (76 days tracked). High $0.43 on Oct 2026, low $0.24 on Mar 2026.

WhenPricevs today
Today$0.33
7 days ago$0.41-19.5%
30 days ago$0.36-8.3%
90 days ago$0.27+22.2%
6 months ago$0.28+17.9%
MonthMonth-end price
Jan 2026$0.26
Feb 2026$0.26
Mar 2026$0.25
Apr 2026$0.28
May 2026$0.27
Jun 2026$0.28
Jul 2026$0.25
Aug 2026$0.35
Sep 2026$0.35
Oct 2026$0.33

Mermail King - Neptabyss (Secret Rare) PSA 10 price and graded values

What Mermail King - Neptabyss (Secret Rare) (Limited Pack World Championship 2025) sells for by grade, from verified sold listings. A PSA 10 sells for $34.93 against $0.60 raw, a 58x grading premium. PSA 9 copies trade around $7.00.

GradeMarket price
Raw (ungraded)$0.60
PSA 9$7.00
CGC 10$14.00
SGC 10$21.00
PSA 10$34.93
BGS 10$45.00

Graded prices: PriceCharting sold data, refreshed daily. Grading costs, turnaround and the odds of a 10 decide whether the premium is worth chasing. Most valuable Yu-Gi-Oh PSA 10 cards

Mermail King - Neptabyss (Secret Rare) FAQ

How much is Mermail King - Neptabyss (Secret Rare) worth right now?
Mermail King - Neptabyss (Secret Rare) from Limited Pack World Championship 2025 is trading around $0.33 raw (ungraded) on the secondary market, and around $34.93 as a PSA 10. TCGIndex refreshes this price every day.
How much is Mermail King - Neptabyss (Secret Rare) PSA 10 worth?
A PSA 10 Mermail King - Neptabyss (Secret Rare) sells for around $34.93, a PSA 9 around $7.00, against $0.60 for a raw copy. These are market prices from verified sold listings, updated daily.
Is Mermail King - Neptabyss (Secret Rare) worth grading?
A PSA 10 Mermail King - Neptabyss (Secret Rare) is worth about 58 times the raw price ($34.93 vs $0.60). Grading pays off when the gap covers the grading fee and the risk of a 9 ($7.00): it usually does for a clean, centered copy of a card at this price, and rarely for a card worth a few dollars raw.
Is Mermail King - Neptabyss (Secret Rare) going up or down?
Mermail King - Neptabyss (Secret Rare) is down -8.3% over 30 days, down -10.8% over 7 days, and the trend currently reads down. The full price history is on this page.
Is Mermail King - Neptabyss (Secret Rare) a good investment?
TCGIndex doesn't give financial advice, but here's the data worth knowing: it sits around $0.33, down -8.3% over the last 30 days, with low volatility. Prices can move fast, so look at the trend and your own timeframe before you buy. TCGIndex publishes one Yu-Gi-Oh pick every morning; each pick becomes public 14 days later and is scored at day 30.