We may earn a commission from qualifying purchases made through our eBay & TCGplayer links.
Price & Volume
Market price Sales volume
Jul 2026 – today
Sales & Liquidity
Market Price$6.57
7-Day Change+1.7%
90-Day Change+36.3%
LiquidityMedium
Market TrendStable
Price by Grade
BGS 10$91·
PSA 10$70·
CGC 10$42·
SGC 10$42·
PSA 9$33·
Raw· 70 sales$7·
Price by Condition · 2
Anchored to market price · condition spread from TCGplayer
Near Mint
1st Edition · English
$6.57
+1.7%
Lightly Played
1st Edition · English
$4.61
-1.6%
Mathematician (Quarter Century Secret Rare) FAQ
How much is Mathematician (Quarter Century Secret Rare) worth right now?
Mathematician (Quarter Century Secret Rare) from Quarter Century Stampede is trading around $6.57 on the secondary market. TCGIndex refreshes this price every day.
Is Mathematician (Quarter Century Secret Rare) going up or down?
Mathematician (Quarter Century Secret Rare) is up +2.6% over 30 days, up +1.7% over 7 days, and the trend currently reads up. The full price history is on this page.
Is Mathematician (Quarter Century Secret Rare) a good investment?
TCGIndex doesn't give financial advice, but here's the data worth knowing: it sits around $6.57, up +2.6% over the last 30 days, with low volatility. Prices can move fast, so look at the trend and your own timeframe before you buy.