How much is Polymerization worth right now?

Polymerization from 25th Anniversary Ultimate Kaiba Set is trading around $5.41 raw (ungraded) on the secondary market, and around $73.71 as a PSA 10. TCGIndex refreshes this price every day.

How much is Polymerization PSA 10 worth?

A PSA 10 Polymerization sells for around $73.71, a PSA 9 around $15.00, against $3.86 for a raw copy. These are market prices from verified sold listings, updated daily.

Is Polymerization worth grading?

A PSA 10 Polymerization is worth about 19 times the raw price ($73.71 vs $3.86). Grading pays off when the gap covers the grading fee and the risk of a 9 ($15.00): 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 Polymerization going up or down?

Polymerization is down -2.2% over 30 days, up +1.7% over 7 days, and the trend currently reads down. The full price history is on this page.

Is Polymerization a good investment?

TCGIndex doesn't give financial advice, but here's the data worth knowing: it sits around $5.41, down -2.2% 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/25th Anniversary Ultimate Kaiba Set#KC01-EN038

Yu-Gi-Oh · Ultra Rare

Polymerization

Name: Polymerization (25th Anniversary Ultimate Kaiba Set)
Brand: Yu-Gi-Oh
Availability: InStock

KC01-EN03825th Anniversary Ultimate Kaiba Set

$5.41

-$0.12-2.2% · 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

Healthy

Well supported

Confidence

74/100

Reliable

Liquidity

Low

Thin market

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$5.41

7-Day Change+1.7%

90-Day Change+10.4%

LiquidityLow

Market TrendStable

Price by Grade

BGS 10$96·

PSA 10$74·

CGC 10$44·

SGC 10$44·

PSA 9$15·

Raw· 27 sales$4·

Price by Condition · 1

Anchored to market price · condition spread from TCGplayer

Near Mint

Unlimited · English

$5.41

+1.7%

Polymerization price history

Near Mint market priceon the dates below, from TCGIndex's daily record (53 days tracked). High $5.60 on Sep 2026, low $3.71 on Feb 2026.

When	Price	vs today
Today	$5.41
7 days ago	$5.60	-3.4%
30 days ago	$5.40	+0.2%
90 days ago	$4.88	+10.9%
6 months ago	$3.83	+41.3%

Month	Month-end price
Jan 2026	$4.32
Feb 2026	$3.78
Mar 2026	$3.79
Apr 2026	$3.98
May 2026	$4.49
Jun 2026	$4.69
Jul 2026	$4.88
Aug 2026	$5.40
Sep 2026	$5.60
Oct 2026	$5.41

Polymerization PSA 10 price and graded values

What Polymerization (25th Anniversary Ultimate Kaiba Set) sells for by grade, from verified sold listings. A PSA 10 sells for $73.71 against $3.86 raw, a 19x grading premium. PSA 9 copies trade around $15.00.

Grade	Market price	vs raw
Raw (ungraded)	$3.86
PSA 9	$15.00	3.9x
CGC 10	$44.00	11.4x
SGC 10	$44.00	11.4x
PSA 10	$73.71	19.1x
BGS 10	$96.00	24.9x

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

Polymerization FAQ

How much is Polymerization worth right now?: Polymerization from 25th Anniversary Ultimate Kaiba Set is trading around $5.41 raw (ungraded) on the secondary market, and around $73.71 as a PSA 10. TCGIndex refreshes this price every day.
How much is Polymerization PSA 10 worth?: A PSA 10 Polymerization sells for around $73.71, a PSA 9 around $15.00, against $3.86 for a raw copy. These are market prices from verified sold listings, updated daily.
Is Polymerization worth grading?: A PSA 10 Polymerization is worth about 19 times the raw price ($73.71 vs $3.86). Grading pays off when the gap covers the grading fee and the risk of a 9 ($15.00): 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 Polymerization going up or down?: Polymerization is down -2.2% over 30 days, up +1.7% over 7 days, and the trend currently reads down. The full price history is on this page.
Is Polymerization a good investment?: TCGIndex doesn't give financial advice, but here's the data worth knowing: it sits around $5.41, down -2.2% 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.

Polymerization

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

Polymerization price history

Polymerization PSA 10 price and graded values

Polymerization FAQ

More cards from 25th Anniversary Ultimate Kaiba Set