ALT5 Sigma (ALTS) went public on November 7, 1991, when it opened at a split-adjusted price of $34.80.
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
May 2026 | $0.77 | $1.08 | $0.73 | $0.99 | 26,043,600 |
April 2026 | $1.13 | $1.23 | $0.74 | $0.75 | 68,855,600 |
March 2026 | $1.31 | $1.61 | $1.00 | $1.11 | 46,844,900 |
February 2026 | $2.00 | $2.13 | $1.21 | $1.39 | 60,967,900 |
January 2026 | $1.13 | $2.74 | $1.12 | $2.10 | 112,815,500 |
December 2025 | $1.76 | $1.80 | $1.08 | $1.10 | 81,014,900 |
November 2025 | $2.42 | $2.44 | $1.59 | $1.87 | 62,987,027 |
October 2025 | $2.72 | $3.10 | $1.80 | $2.52 | 158,598,800 |
September 2025 | $6.62 | $6.68 | $2.55 | $2.69 | 258,262,200 |
August 2025 | $6.17 | $9.76 | $5.12 | $7.88 | 281,891,700 |
July 2025 | $7.41 | $8.38 | $5.98 | $6.20 | 5,984,400 |
June 2025 | $9.48 | $10.95 | $7.24 | $7.25 | 5,522,800 |
May 2025 | $5.33 | $10.40 | $5.33 | $9.31 | 5,087,800 |
April 2025 | $3.89 | $7.14 | $3.50 | $5.56 | 3,571,000 |
March 2025 | $6.10 | $6.28 | $3.84 | $3.88 | 3,005,600 |
February 2025 | $6.30 | $7.75 | $5.12 | $6.05 | 3,997,600 |
January 2025 | $4.67 | $7.09 | $4.46 | $6.60 | 5,922,500 |
December 2024 | $2.37 | $4.83 | $2.29 | $4.65 | 5,018,100 |
November 2024 | $2.48 | $2.75 | $2.00 | $2.31 | 2,600,800 |
October 2024 | $1.77 | $2.84 | $1.55 | $2.48 | 3,654,400 |
September 2024 | $2.39 | $2.50 | $1.70 | $1.77 | 4,824,700 |
August 2024 | $1.68 | $3.08 | $1.29 | $2.41 | 11,247,800 |
July 2024 | $2.22 | $2.46 | $1.55 | $1.65 | 2,997,800 |
June 2024 | $3.08 | $3.24 | $2.10 | $2.24 | 2,723,700 |
May 2024 | $3.37 | $4.42 | $2.81 | $3.08 | 4,265,400 |