Standard Nuclear Inc. Class A (STDN:NYSE) closed at $12.74 on October 27, 2026, up 2.91% on the day. The stock trades 26.5% below its 52-week high of $17.34 and 80.7% above its 52-week low of $7.05. Over the past year, it gained 0.7%. Standard Nuclear Inc. Class A is part of the Technology sector.
In 71 trading sessions since July 17, 2026, STDN closed higher on 32 days (45%). Its best day was August 10, 2026 (+35.66%) and its worst was July 17, 2026 (-15.45%). The stock moved 10% or more in a single session 9 times.
Standard Nuclear's mission is to reliably deliver the essential building blocks of nuclear power at scale - enabling cost-effective, safe, and secure energy for the world. Supported by leading U.S. defense technology and critical infrastructure investment firms, Standard Nuclear is focused on the large-scale production of advanced nuclear fuel and radioisotope power systems. It is the nation's only independent manufacturer of TRISO fuel - a robust, high-performance fuel essential to advanced nuclear reactors for terrestrial, national security, and space applications. Standard Nuclear offers a reactor-agnostic supply of advanced fuels to the next-generation nuclear industry and delivers dependable radioisotope power solutions to the space and defense sectors. Through these efforts, it is helping to eliminate U.S. reliance on geopolitical adversaries for these strategically vital technologies.
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Based on end-of-day data. For information only, not investment advice.