How much is Knightmare Mermaid worth right now?

Knightmare Mermaid from 2019 Gold Sarcophagus Tin Mega Pack is trading around $0.76 raw (ungraded) on the secondary market, and around $34.18 as a PSA 10. TCGIndex refreshes this price every day.

How much is Knightmare Mermaid PSA 10 worth?

A PSA 10 Knightmare Mermaid sells for around $34.18, a PSA 9 around $7.00, against $0.76 for a raw copy. These are market prices from verified sold listings, updated daily.

Is Knightmare Mermaid worth grading?

A PSA 10 Knightmare Mermaid is worth about 45 times the raw price ($34.18 vs $0.76). 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 Knightmare Mermaid going up or down?

Knightmare Mermaid is up +1.4% over 30 days, up +1.4% over 7 days. The full price history is on this page.

Is Knightmare Mermaid a good investment?

TCGIndex doesn't give financial advice, but here's the data worth knowing: it sits around $0.76, up +1.4% 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/2019 Gold Sarcophagus Tin Mega Pack#MP19-EN025

Yu-Gi-Oh · Prismatic Secret Rare

Knightmare Mermaid

Name: Knightmare Mermaid (2019 Gold Sarcophagus Tin Mega Pack)
Brand: Yu-Gi-Oh
Availability: InStock

MP19-EN0252019 Gold Sarcophagus Tin Mega Pack

$0.76

+$0.01+1.4% · 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

Excellent

Strong demand

Confidence

87/100

High reliability

Liquidity

Medium

Moderate activity

Verified Sales

Updated 1d ago

BuyBuy on TCGplayer Recent eBay Sales

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

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

Pick of the day

Today’s Yu-Gi-Oh! pick

Published every morning at 07:30 UTC.

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$0.76

7-Day Change+1.4%

90-Day Change-3.8%

LiquidityMedium

Market TrendStable

Price by Grade

BGS 10$44·

PSA 10$34·

CGC 10$21·

SGC 10$21·

PSA 9$7·

Raw· 49 sales$1·

Price by Condition · 6

Anchored to market price · condition spread from TCGplayer

Near Mint

1st Edition · English

$0.76

+1.4%

Near Mint

Unlimited · English

$0.68

+6.3%

Lightly Played

1st Edition · English

$0.63

-1.6%

Lightly Played

Unlimited · English

$1.15

-8.1%

Moderately Played

1st Edition · English

$0.25

-30.6%

Heavily Played

1st Edition · English

$0.51

Knightmare Mermaid price history

Near Mint market priceon the dates below, from TCGIndex's daily record (76 days tracked). High $0.82 on May 2026, low $0.66 on Aug 2026.

When	Price	vs today
Today	$0.75
7 days ago	$0.74	+1.4%
30 days ago	$0.72	+4.2%
90 days ago	$0.80	-6.3%
6 months ago	$0.69	+8.7%

Month	Month-end price
Jan 2026	$0.79
Feb 2026	$0.78
Mar 2026	$0.68
Apr 2026	$0.69
May 2026	$0.80
Jun 2026	$0.81
Jul 2026	$0.77
Aug 2026	$0.68
Sep 2026	$0.74
Oct 2026	$0.75

Knightmare Mermaid PSA 10 price and graded values

What Knightmare Mermaid (2019 Gold Sarcophagus Tin Mega Pack) sells for by grade, from verified sold listings. A PSA 10 sells for $34.18 against $0.76 raw, a 45x grading premium. PSA 9 copies trade around $7.00.

Grade	Market price	vs raw
Raw (ungraded)	$0.76
PSA 9	$7.00	9.2x
CGC 10	$21.00	27.6x
SGC 10	$21.00	27.6x
PSA 10	$34.18	45.0x
BGS 10	$44.00	57.9x

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

Knightmare Mermaid FAQ

How much is Knightmare Mermaid worth right now?: Knightmare Mermaid from 2019 Gold Sarcophagus Tin Mega Pack is trading around $0.76 raw (ungraded) on the secondary market, and around $34.18 as a PSA 10. TCGIndex refreshes this price every day.
How much is Knightmare Mermaid PSA 10 worth?: A PSA 10 Knightmare Mermaid sells for around $34.18, a PSA 9 around $7.00, against $0.76 for a raw copy. These are market prices from verified sold listings, updated daily.
Is Knightmare Mermaid worth grading?: A PSA 10 Knightmare Mermaid is worth about 45 times the raw price ($34.18 vs $0.76). 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 Knightmare Mermaid going up or down?: Knightmare Mermaid is up +1.4% over 30 days, up +1.4% over 7 days. The full price history is on this page.
Is Knightmare Mermaid a good investment?: TCGIndex doesn't give financial advice, but here's the data worth knowing: it sits around $0.76, up +1.4% 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.

Knightmare Mermaid

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

Knightmare Mermaid price history

Knightmare Mermaid PSA 10 price and graded values

Knightmare Mermaid FAQ

More cards from 2019 Gold Sarcophagus Tin Mega Pack