The latest closing stock price for Quantum as of April 16, 2026 is 7.07.
An investor who bought $1,000 worth of Quantum stock at the IPO in 1982 would have $52,846 today, roughly 53 times their original investment - a 9.71% 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 15.33, which is 116.8% above the current share price.
The Quantum 52-week low stock price is 4.19, which is 40.7% below the current share price.
The average Quantum stock price for the last 52 weeks is 8.36.
An investor who bought $1,000 worth of Quantum stock at the IPO in 1982 would have $52,846 today, roughly 53 times their original investment - a 9.71% 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 15.33, which is 116.8% above the current share price.
The Quantum 52-week low stock price is 4.19, which is 40.7% below the current share price.
The average Quantum stock price for the last 52 weeks is 8.36.