Quantumsphere Acquisition Corp. (QUMS:NASDAQ) closed at $10.38 on October 22, 2026, unchanged on the day. It is trading at its 52-week high of $10.38. Over the past year, it gained 4.1%.
In 252 trading sessions since October 23, 2025, QUMS closed higher on 65 days (26%). Its best day was January 27, 2026 (+0.60%) and its worst was January 23, 2026 (-0.50%). It never moved 10% or more in a single session.
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Based on end-of-day data. For information only, not investment advice.