Polymerization
Speed Duel GX: Duel Academy Box (2022), Yu-Gi-Oh!, SGX1-ENA12, Common. TCGplayer product name: Polymerization (A)
Printing: 1st Edition, Near Mint
$0.23
TCGplayer market price (an average of recent sales)
As of Oct 27 (today). Unchanged since Oct 11.
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Price trend
Oct 19 $0.23 → Oct 26, 2026 $0.23 0.0%
Sep 26 $0.25 → Oct 26, 2026 $0.23 −8.0%
Jul 28 $0.27 → Oct 26, 2026 $0.23 −14.8%
Oct 26, 2025 $0.29 → Oct 26, 2026 $0.23 −20.7%
Feb 8, 2024 $0.34 → Oct 26, 2026 $0.23 −32.4%
Vs its set
Over the 90 days to Oct 26, 2026: this card −14.8%; the median other printing in Speed Duel GX: Duel Academy Box +5.7% (238 other printings).
Market details
Sold vs asking
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
Price changes, last 30 days
4 changes, each one cent, between $0.23 and $0.25.
Same set: Speed Duel GX: Duel Academy Box (239)
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Live market
eBay asking prices, fetched when you open this page.
Newest TCGplayer value: Oct 27, 2026. Prices in USD. Card names and images © their respective publishers. See how these prices are made.