Mathematician (Quarter Century Secret Rare)
Yu-Gi-Oh! · Quarter Century Stampede · Quarter Century Secret Rare · RA04-EN223
Released 2025-04-11
$4.99
30-day forecast: $4.99
Live Yu-Gi-Oh! price tracking, buyout detection, and price predictions for Mathematician (Quarter Century Secret Rare) on TCG Collector Tools.
Card Text
Effect Monster · Spellcaster · EARTH · Level 3 · ATK 1500 · DEF 500
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.
Market price statistics (USD)
Market, mid and low values are price statistics, not separate offers from sellers.
Name-level price references
Reference values are not verified for this printing or condition; currency not supplied. Do not compare these directly with the USD statistics.
Price Forecast
| Horizon | Forecast | vs Today |
|---|---|---|
| 7 days (stable) | $4.99 | +0.0% |
| 30 days (stable) | $4.99 | +0.0% |
| 90 days | $5.00 | +0.2% |
| 180 days | $5.01 | +0.4% |
| 1 year | $5.04 | +1.0% |
Confidence: Getting There · Calibrated 30-day range $3.56–$6.42 · mature card · veryLow volatility
Our Forecast Track Record
What we predicted for this card, and what actually happened. We publish misses as well as hits. Anchored 2026-04-09 · at $5.89 · 181 days ago.
| Horizon | We predicted | Actual | Error |
|---|---|---|---|
| Day 7 | $4.71 | $3.26 | -30.8% |
| Day 30 | $3.83 | $3.95 | +3.1% |
| Day 90 | $3.83 | $4.99 | +30.3% |
| Day 180 | $3.83 | $4.99 | +30.3% |
Signal Analysis
Mixed signals. Monitor for clearer direction.
Printings (9)
| Set | Code | Rarity | Price |
|---|---|---|---|
| Dragons of Legend | DRLG-EN023 | Secret Rare | $4.72 |
| Dragons of Legend: The Complete Series | DLCS-EN025 | Ultra Rare | — |
| Emperor of Darkness Structure Deck | SR01-EN019 | Common | — |
| Premium Gold: Return of the Bling | PGL2-EN039 | Gold Rare | — |
| Quarter Century Stampede | RA04-EN223 | Platinum Secret Rare | — |
| Quarter Century Stampede | RA04-EN223 | Quarter Century Secret Rare | — |
| Structure Deck: Cyberse Link | SDCL-EN017 | Common | — |
| Structure Deck: Shaddoll Showdown | SDSH-EN020 | Common | $1.14 |
| Ultimate Tournament Pack 1 | UP01-EN024 | Common | — |
Recent Price History
Frequently Asked Questions
How much is Mathematician (Quarter Century Secret Rare) worth?
Mathematician (Quarter Century Secret Rare) is currently $4.99 on TCGplayer for the Quarter Century Stampede printing. Prices update daily from live marketplace data.
Is Mathematician (Quarter Century Secret Rare) going up or down in price?
Our 30-day forecast for Mathematician (Quarter Century Secret Rare) is $4.99, with a stable trend (data confidence: Getting There).
How many times has Mathematician (Quarter Century Secret Rare) been printed?
Mathematician (Quarter Century Secret Rare) has 9 known printings, including Dragons of Legend, Dragons of Legend: The Complete Series, Emperor of Darkness Structure Deck.