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  6. Mathematician (Quarter Century Secret Rare)

Yu-Gi-Oh! · Quarter Century Stampede · #RA04-EN223 · Quarter Century Secret Rare

Mathematician (Quarter Century Secret Rare)

Yu-Gi-Oh! card price for Mathematician (Quarter Century Secret Rare): $6.63 market, from $4.99 at the cheapest listing, 1st Edition printing, updated Oct 19, 2026. Full price history since Apr 11, 2025 below.

Market price · 1st Edition · Oct 19, 2026
$6.63
0.0% this week · −6.8% in 30 days
Buy on eBay →
1 day0.0%
7 days0.0%
30 days−6.8%
90 days−1.2%
1 year+197.3%
All time−1.9%

Sellers right now

$4.99lowest listing$49.77highest
Market price$6.63
Mid listing$10.00
30-day avg$6.85

Market price is what a near-mint copy actually sold for. The cheapest listing is what a seller asks today — on thin markets the two differ a lot.

Where to buy

One year

$2.1852-week low$7.4752-week high
In the range84%
All-time low$2.14
All-time high$7.47
First priceApr 11, 2025
1st Edition · market price
$1.84$3.89$5.95$8.00
$6.63
Apr 2025Oct 2025Apr 2026Oct 2026
TCGplayer market price · via tcgcsvtcgrate.com

Price story

Mathematician (Quarter Century Secret Rare) came out in April 2025; we leave the first weeks out of this story, because early prices are set before real supply exists. Over the past twelve months it moved +197%, trading between $2.18 and $7.47. The current price is near the top of that range. Listings currently start at $4.99; over the last 30 days the market price averaged $6.85.

Printings

PrintingMarketLowHigh7d
1st Edition$6.63$4.99$49.770.0%

The card in play

ATK1500
DEF500
Card type
Effect Monster
Attribute
EARTH
Monster type
Spellcaster
Card text

When this card is Normal Summoned: You can send 1 Level 4 or lower monster from your Deck to the GY. When this card is destroyed by battle and sent to the GY: You can draw 1 card.

Other printings of Mathematician

11 more · $0.19 – $6.63
All printings

Also in Quarter Century Stampede

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Full set