Mathmech Diameter

Rise of the Duelist (2020), Yu-Gi-Oh!, ROTD-EN028, Common

Printing: 1st Edition, Near Mint

$0.35

TCGplayer market price (an average of recent sales)

As of Oct 27 (today). Unchanged since Oct 24.

Buy on TCGplayer Search on eBay

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Price trend

Oct 19 $0.36 → Oct 26, 2026 $0.35 −2.8%

$0.37$0.36$0.35

Oct 19, 2026Oct 21, 2026Oct 22, 2026Oct 23, 2026Oct 26, 2026

Sep 26 $0.39 → Oct 26, 2026 $0.35 −10.3%

$0.42$0.36$0.38$0.40$0.35

Sep 26, 2026Oct 6, 2026Oct 11, 2026Oct 16, 2026Oct 26, 2026

Jul 28 $0.46 → Oct 26, 2026 $0.35 −23.9%

$0.50$0.40$0.45$0.35

Jul 28, 2026Aug 27, 2026Sep 11, 2026Sep 26, 2026Oct 26, 2026

Oct 26, 2025 $0.65 → Oct 26, 2026 $0.35 −46.2%

$0.65$0.27$0.40$0.50$0.60$0.35

Oct 26, 2025Feb 24, 2026Apr 26, 2026Jun 26, 2026Oct 26, 2026

Feb 8, 2024 $0.59 → Oct 26, 2026 $0.35 −40.7%

$1.00$0.20$0.40$0.60$0.80$0.35

Feb 8, 2024Jan 3, 2025Jun 17, 2025Nov 29, 2025Oct 26, 2026

Vs its set

Over the 90 days to Oct 26, 2026: this card −23.9%; the median other printing in Rise of the Duelist 0.0% (104 other printings). 95 of those 104 changed price, but no more than half rose and no more than half fell, so the middle change is 0%.

Market details

Sold vs asking

Recent sales (TCGplayer market price)$0.35

Sellers asking (median listing)$0.45

0$0.45

Sellers ask 1.3× the recent sale price.

Asking figure from TCGplayer listings, as of Oct 27.

Record

Price history Feb 8, 2024 to Oct 26, 2026

Highest$1.00Apr 17, 2025 only

Lowest$0.20Nov 15, 2024 only

Vs highest65% below $1.00

Price changes, last 30 days

Date	Price	Change
Oct 4	$0.40 → $0.42	+5.0%	Show on chart
Oct 8	$0.42 → $0.40	−4.8%	Show on chart
Oct 10	$0.40 → $0.38	−5.0%	Show on chart
Oct 14	$0.38 → $0.36	−5.3%	Show on chart
Oct 23	$0.36 → $0.37	+2.8%	Show on chart
Oct 24	$0.37 → $0.35	−5.4%	Show on chart