Caius the Mega Monarch

Secrets of Eternity (2015), Yu-Gi-Oh!, SECE-EN035, Ultra Rare


Caius the Mega Monarch
PrintingUnlimited $5.501st Edition $6.26

1st Edition, Near Mint

$6.26

TCGplayer market price (an average of recent sales)

As of Oct 26 (yesterday). Unchanged since Oct 17.

Affiliate links. Qualifying purchases may earn tcgvibes.com a commission.

Price trend

For the 1st Edition printing.

Oct 19 $6.26 → Oct 26, 2026 $6.26 0.0%

$6.26
Oct 19, 2026Oct 21, 2026Oct 22, 2026Oct 23, 2026Oct 26, 2026

Sep 26 $6.35 → Oct 26, 2026 $6.26 −1.4%

$6.39$6.20$6.30$6.26
Sep 26, 2026Oct 6, 2026Oct 11, 2026Oct 16, 2026Oct 26, 2026

Jul 28 $6.17 → Oct 26, 2026 $6.26 +1.5%

$6.39$6.17$6.30$6.26
Jul 28, 2026Aug 27, 2026Sep 11, 2026Sep 26, 2026Oct 26, 2026

Oct 26, 2025 $7.50 → Oct 26, 2026 $6.26 −16.5%

$8.10$6.17low$7.00$7.50$6.26
Oct 26, 2025Feb 24, 2026Apr 26, 2026Jun 26, 2026Oct 26, 2026

Feb 8, 2024 $4.62 → Oct 26, 2026 $6.26 +35.5%

$8.10$2.83$4.00$6.00$6.26
Feb 8, 2024Jan 3, 2025Jun 17, 2025Nov 29, 2025Oct 26, 2026

Vs its set

Over the 90 days to Oct 26, 2026: the 1st Edition printing +1.5%; the median other printing in Secrets of Eternity +2.6% (105 other printings).

Market details

Record

Price history Feb 8, 2024 to Oct 26, 2026

Highest (1st Edition)$8.10Jan 28, 2026 to Feb 18, 2026
Lowest (1st Edition)$2.83Feb 7, 2025 to Feb 22, 2025
Vs highest23% below $8.10

Price changes, last 30 days

DatePriceChange
Sep 29$6.35 → $6.39+0.6%Show on chart
Oct 1$6.39 → $6.36−0.5%Show on chart
Oct 5$6.36 → $6.27−1.4%Show on chart
Oct 6$6.27 → $6.28+0.2%Show on chart
Oct 9$6.28 → $6.36+1.3%Show on chart
Oct 17$6.36 → $6.26−1.6%Show on chart

Same set: Secrets of Eternity (106)

Keep exploring

Live market

Newest TCGplayer value: Oct 26, 2026. Prices in USD. Card names and images © their respective publishers. See how these prices are made.