The latest closing stock price for Quantum as of June 09, 2026 is 13.05.
An investor who bought $1,000 worth of Quantum stock at the IPO in 1982 would have $-379 today, roughly 0 times their original investment - a -1.10% compound annual growth rate over 43 years.
The all-time high Quantum stock closing price was 3430.00 on August 17, 1999.
The Quantum 52-week high stock price is 18.48, which is 41.6% above the current share price.
The Quantum 52-week low stock price is 4.19, which is 67.9% below the current share price.
The average Quantum stock price for the last 52 weeks is 8.03.
An investor who bought $1,000 worth of Quantum stock at the IPO in 1982 would have $-379 today, roughly 0 times their original investment - a -1.10% compound annual growth rate over 43 years.
The all-time high Quantum stock closing price was 3430.00 on August 17, 1999.
The Quantum 52-week high stock price is 18.48, which is 41.6% above the current share price.
The Quantum 52-week low stock price is 4.19, which is 67.9% below the current share price.
The average Quantum stock price for the last 52 weeks is 8.03.