How much is Mermaid Knight worth right now?

Mermaid Knight from Ancient Sanctuary is trading around $1.32 raw (ungraded) on the secondary market, and around $72.32 as a PSA 10. TCGIndex refreshes this price every day.

How much is Mermaid Knight PSA 10 worth?

A PSA 10 Mermaid Knight sells for around $72.32, a PSA 9 around $8.00, against $1.32 for a raw copy. These are market prices from verified sold listings, updated daily.

Is Mermaid Knight worth grading?

A PSA 10 Mermaid Knight is worth about 55 times the raw price ($72.32 vs $1.32). Grading pays off when the gap covers the grading fee and the risk of a 9 ($8.00): at $1.32 raw the grading fee costs more than the card itself, so it pays only for a copy you expect to come back a 10.

Is Mermaid Knight going up or down?

Mermaid Knight is down 9.6% over 30 days, unchanged over 7 days. The full price history is on this page.

Is Mermaid Knight a good investment?

TCGIndex doesn't give financial advice, but here's the data worth knowing: it sits around $1.32, down 9.6% 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.

Home/Yu-Gi-Oh/Ancient Sanctuary#AST-025

Yu-Gi-Oh · Common / Short Print

Mermaid Knight

Name: Mermaid Knight (Ancient Sanctuary)
Brand: Yu-Gi-Oh
Availability: InStock

AST-025Ancient Sanctuary

$1.32

-$0.14-9.6% · 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

Healthy

Well supported

Confidence

71/100

Reliable

Liquidity

Low

Thin market

Sales Volume

25 / yr

Sold per year, updated 1h ago

BuyBuy on TCGplayer Recent eBay Sales

We may earn a commission from qualifying purchases made through our eBay & TCGplayer links.

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.

Hit +10%: 53%
Average return, day 30: +16.8%
Picks scored: 145

Last 90 days, live picks only, losses included.

Picked before they moved

+232.5%

Assault Blackwing - Kusanagi the Gathering Storm (Starlight Rare)

$11.87 → $39.47

+127.7%

Superdreadnought Rail Cannon Gustav Rocket (Starlight Rare)

See today’s Yu-Gi-Oh! pick

Published this morning, public in 14 days. Full record

Pick of the day

Today’s Yu-Gi-Oh! pickHigh ConvictionEntry under $20

A Yugioh card that sat flat for a week just broke out sharply to a fresh three month high, while its set and the wider game barely moved.

See today’s Yu-Gi-Oh! pickPublic in 14 days, when 59% of the move is gone. Full record

Price & Volume

Market price Sales volume

Jul 2026 – today

Sales & Liquidity

Market Price$1.32

7-Day Change+0.0%

90-Day Change+1.5%

LiquidityLow

Market TrendStable

Price by Grade

BGS 10$94·

PSA 10$72·

SGC 10$43·

CGC 10$29·

PSA 9$8·

Raw· 25 sales$1·

Price by Condition · 10

Anchored to market price · condition spread from TCGplayer

Near Mint

1st Edition · English

$1.32

-2.9%

Near Mint

Unlimited · English

$0.67

+4.7%

Lightly Played

Unlimited · English

$0.56

+3.7%

Lightly Played

1st Edition · English

$0.70

+1.4%

Moderately Played

Unlimited · English

$0.38

+2.7%

Moderately Played

1st Edition · English

$0.76

-8.4%

Heavily Played

Unlimited · English

$0.25

+0.0%

Heavily Played

1st Edition · English

$0.51

+13.3%

Damaged

Unlimited · English

$0.28

+12.0%

Damaged

1st Edition · English

$0.56

-1.8%

Mermaid Knight price history

Near Mint market price on the dates below, from TCGIndex's daily record (55 days tracked). High $1.46 on Sep 2026, low $0.76 on Mar 2026.

When	Price	vs today
Today	$1.32
7 days ago	$1.32	+0.0%
30 days ago	$1.46	-9.6%
90 days ago	$1.30	+1.5%
6 months ago	$0.81	+63.0%

Month	Month-end price
Jan 2026	$1.00
Feb 2026	$0.96
Mar 2026	$0.76
May 2026	$0.83
Jun 2026	$0.85
Jul 2026	$1.21
Aug 2026	$1.37
Sep 2026	$1.46
Oct 2026	$1.37
Nov 2026	$1.32

Mermaid Knight PSA 10 price and graded values

What Mermaid Knight (Ancient Sanctuary) sells for by grade, from verified sold listings. A PSA 10 sells for $72.32 against $1.32 raw, a 55x grading premium. PSA 9 copies trade around $8.00.

Grade	Market price	vs raw
Raw (ungraded)	$1.32
PSA 9	$8.00	6.1x
CGC 10	$29.00	22.0x
SGC 10	$43.00	32.6x
PSA 10	$72.32	54.8x
BGS 10	$94.00	71.2x

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

Mermaid Knight FAQ

How much is Mermaid Knight worth right now?: Mermaid Knight from Ancient Sanctuary is trading around $1.32 raw (ungraded) on the secondary market, and around $72.32 as a PSA 10. TCGIndex refreshes this price every day.
How much is Mermaid Knight PSA 10 worth?: A PSA 10 Mermaid Knight sells for around $72.32, a PSA 9 around $8.00, against $1.32 for a raw copy. These are market prices from verified sold listings, updated daily.
Is Mermaid Knight worth grading?: A PSA 10 Mermaid Knight is worth about 55 times the raw price ($72.32 vs $1.32). Grading pays off when the gap covers the grading fee and the risk of a 9 ($8.00): at $1.32 raw the grading fee costs more than the card itself, so it pays only for a copy you expect to come back a 10.
Is Mermaid Knight going up or down?: Mermaid Knight is down 9.6% over 30 days, unchanged over 7 days. The full price history is on this page.
Is Mermaid Knight a good investment?: TCGIndex doesn't give financial advice, but here's the data worth knowing: it sits around $1.32, down 9.6% 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.

Other printings of Mermaid Knight

Mermaid Knight has 2 other priced printings, from $0.49 to $9.40. Cheapest first.

Mermaid Knight

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

Mermaid Knight price history

Mermaid Knight PSA 10 price and graded values

Mermaid Knight FAQ

Other printings of Mermaid Knight

More cards from Ancient Sanctuary

Priced near Mermaid Knight in Ancient Sanctuary