Mathmech Equation

Mystic Fighters (2019), Yu-Gi-Oh!, MYFI-EN010, Secret Rare


Mathmech Equation

Printing: 1st Edition · Near Mint

$0.40

TCGplayer market price (an average of recent sales)

As of Oct 19 (yesterday). Unchanged since Oct 16.

Listed median$0.71asks on TCGplayer as of Oct 19 (1.8× the market price)

Change

7d−4.8% −$0.0230d−11.1% −$0.0590d−14.9% −$0.071y−43.7% −$0.31

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Price trend

Oct 11 $0.42 → Oct 18, 2026 $0.40 −4.8%

$0.42$0.41$0.40
Oct 11, 2026Oct 13, 2026Oct 14, 2026Oct 15, 2026Oct 18, 2026

Sep 18 $0.45 → Oct 18, 2026 $0.40 −11.1%

$0.45$0.42$0.44$0.40
Sep 18, 2026Sep 28, 2026Oct 3, 2026Oct 8, 2026Oct 18, 2026

Jul 20 $0.47 → Oct 18, 2026 $0.40 −14.9%

$0.47$0.42$0.44$0.46$0.40
Jul 20, 2026Aug 19, 2026Sep 3, 2026Sep 18, 2026Oct 18, 2026

Oct 18, 2025 $0.71 → Oct 18, 2026 $0.40 −43.7%

$0.88$0.60$0.80$0.40
Oct 18, 2025Feb 16, 2026Apr 18, 2026Jun 18, 2026Oct 18, 2026

Feb 8, 2024 $0.41 → Oct 18, 2026 $0.40 −2.4%

$1.14$0.27$0.60$0.80$1.00$0.40
Feb 8, 2024Dec 31, 2024Jun 13, 2025Nov 24, 2025Oct 18, 2026

Record

Price history Feb 8, 2024 to Oct 18, 2026

Highest$1.14Apr 21, 2025
Lowest$0.27Feb 6, 2025
Vs highest65% below $1.14

Price changes, last 30 days

DatePriceChange
Sep 22$0.42 → $0.44+4.8%Show on chart
Sep 23$0.44 → $0.43−2.3%Show on chart
Oct 8$0.43 → $0.42−2.3%Show on chart
Oct 14$0.42 → $0.41−2.4%Show on chart
Oct 15$0.41 → $0.42+2.4%Show on chart
Oct 16$0.42 → $0.40−4.8%Show on chart

Latest 6 of 8.

Vs its set

Over the 90 days to Oct 18, 2026: this card −14.9%; the median other card in Mystic Fighters +4.7% (59 other cards, each at its tracked printing).

Keep exploring

Live market

Newest TCGplayer value: Oct 19, 2026. Prices in USD. Card names and images © their respective publishers. See how these prices are made.