Altair Corp. (ATCD)
OTCMKTS · Delayed Price · Currency is USD
1,490.00
-10.00 (-0.67%)
At close: Nov 24, 2025
Altair Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Nov 24, 2025 | 1,490.00 | 1,490.00 | 1,490.00 | 1,490.00 | 1,490.00 | -0.67% | 2 |
| Oct 7, 2025 | 1,500.00 | 1,500.00 | 1,500.00 | 1,500.00 | 1,440.00 | 27.01% | 2 |
| May 30, 2025 | 1,181.00 | 1,181.00 | 1,181.00 | 1,181.00 | 1,133.76 | -9.50% | 30 |
| May 29, 2025 | 1,305.00 | 1,305.00 | 1,305.00 | 1,305.00 | 1,252.80 | 4.40% | 8 |
| Dec 12, 2024 | 1,250.00 | 1,250.00 | 1,250.00 | 1,250.00 | 1,200.00 | 1.21% | 1 |
| Aug 21, 2024 | 1,235.00 | 1,235.00 | 1,235.00 | 1,235.00 | 1,139.42 | -8.52% | 2 |
| Jul 31, 2024 | 1,350.00 | 1,350.00 | 1,350.00 | 1,350.00 | 1,245.52 | - | 10 |
| Apr 1, 2024 | 1,350.00 | 1,350.00 | 1,350.00 | 1,350.00 | 1,245.52 | 0.75% | 1 |
| Jan 18, 2024 | 1,340.00 | 1,340.00 | 1,340.00 | 1,340.00 | 1,236.30 | 1.52% | 2 |
| Jan 11, 2024 | 1,320.00 | 1,320.00 | 1,320.00 | 1,320.00 | 1,217.85 | - | 3 |
| Jan 9, 2024 | 1,320.00 | 1,320.00 | 1,320.00 | 1,320.00 | 1,217.85 | 0.76% | 2 |
| Dec 18, 2023 | 1,310.00 | 1,310.00 | 1,310.00 | 1,310.00 | 1,208.62 | 6.07% | 2 |
| Oct 13, 2023 | 1,235.00 | 1,235.00 | 1,235.00 | 1,235.00 | 1,083.94 | 0.41% | 2 |
| Sep 25, 2023 | 1,230.00 | 1,230.00 | 1,230.00 | 1,230.00 | 1,079.55 | 0.82% | 2 |
| Aug 4, 2023 | 1,240.00 | 1,240.00 | 1,219.90 | 1,220.00 | 1,070.77 | 1.67% | 262 |
| Jul 12, 2023 | 1,200.00 | 1,200.00 | 1,200.00 | 1,200.00 | 1,053.22 | -21.57% | 3 |
| Jun 29, 2023 | 1,530.00 | 1,530.00 | 1,250.00 | 1,530.00 | 1,342.85 | 0.33% | 7 |
| May 3, 2023 | 1,578.00 | 1,578.00 | 1,525.00 | 1,525.00 | 1,338.47 | -6.15% | 9 |
| Apr 28, 2023 | 1,640.00 | 1,640.00 | 1,600.00 | 1,624.95 | 1,426.19 | 3.17% | 32 |
| Feb 21, 2023 | 1,575.00 | 1,575.00 | 1,575.00 | 1,575.00 | 1,382.35 | 1.61% | 1 |
| Feb 3, 2023 | 1,550.00 | 1,550.00 | 1,550.00 | 1,550.00 | 1,360.41 | -22.50% | 5 |
| Jan 6, 2023 | 2,000.00 | 2,000.00 | 2,000.00 | 2,000.00 | 1,755.37 | - | 5 |
| Dec 30, 2022 | 2,000.00 | 2,000.00 | 2,000.00 | 2,000.00 | 1,755.37 | 25.00% | 5 |
| Dec 28, 2022 | 1,600.00 | 1,700.00 | 1,600.00 | 1,600.00 | 1,404.29 | -27.27% | 8 |
| Dec 23, 2022 | 2,200.00 | 2,200.00 | 2,200.00 | 2,200.00 | 1,930.90 | - | 2 |
| Nov 22, 2022 | 2,200.00 | 2,200.00 | 2,200.00 | 2,200.00 | 1,930.90 | - | 10 |
| Sep 19, 2022 | 2,200.00 | 2,200.00 | 2,200.00 | 2,200.00 | 1,878.10 | - | 5 |
| Aug 17, 2022 | 2,200.00 | 2,200.00 | 2,200.00 | 2,200.00 | 1,878.10 | -10.95% | 15 |
| Sep 21, 2021 | 2,470.56 | 2,470.56 | 2,470.56 | 2,470.56 | 2,057.71 | 2.94% | 1 |
| Sep 1, 2021 | 2,400.00 | 2,400.00 | 2,400.00 | 2,400.00 | 1,998.94 | - | 1 |
| Aug 30, 2021 | 2,400.00 | 2,400.00 | 2,400.00 | 2,400.00 | 1,998.94 | 9.09% | 1 |
| Aug 13, 2021 | 2,200.00 | 2,200.00 | 2,200.00 | 2,200.00 | 1,832.36 | -4.35% | 5 |
| Jul 20, 2021 | 2,300.00 | 2,300.00 | 2,300.00 | 2,300.00 | 1,915.65 | 4.55% | 3 |
| Jul 9, 2021 | 2,200.00 | 2,200.00 | 2,200.00 | 2,200.00 | 1,832.36 | -1.79% | 37 |
| Jul 6, 2021 | 2,240.00 | 2,240.00 | 2,240.00 | 2,240.00 | 1,865.68 | 8.74% | 2 |
| Jun 28, 2021 | 2,060.00 | 2,060.05 | 2,060.00 | 2,060.05 | 1,715.80 | -6.36% | 40 |
| Jun 16, 2021 | 2,200.00 | 2,200.00 | 2,200.00 | 2,200.00 | 1,832.36 | 6.02% | 21 |
| Jun 2, 2021 | 2,075.00 | 2,075.00 | 2,075.00 | 2,075.00 | 1,728.25 | -5.68% | 8 |
| May 28, 2021 | 2,200.00 | 2,200.00 | 2,200.00 | 2,200.00 | 1,832.36 | - | 2 |
| May 19, 2021 | 2,200.00 | 2,200.00 | 2,200.00 | 2,200.00 | 1,832.36 | 2.09% | 1 |
| May 13, 2021 | 2,155.00 | 2,155.00 | 2,155.00 | 2,155.00 | 1,794.88 | -4.22% | 1 |
| May 7, 2021 | 2,250.00 | 2,250.00 | 2,250.00 | 2,250.00 | 1,874.00 | - | 35 |
| Apr 16, 2021 | 2,250.00 | 2,250.00 | 2,250.00 | 2,250.00 | 1,874.00 | -8.16% | 20 |
| Apr 14, 2021 | 2,400.00 | 2,450.00 | 2,400.00 | 2,450.00 | 2,040.58 | 2.08% | 5 |
| Apr 6, 2021 | 2,385.00 | 2,400.00 | 2,385.00 | 2,400.00 | 1,998.94 | -2.04% | 10 |
| Apr 5, 2021 | 2,385.00 | 2,450.00 | 2,385.00 | 2,450.00 | 2,040.58 | -7.55% | 24 |
| Apr 1, 2021 | 2,650.00 | 2,655.00 | 2,650.00 | 2,650.00 | 2,207.16 | - | 26 |
| Mar 31, 2021 | 2,655.00 | 2,800.00 | 2,650.00 | 2,650.00 | 2,207.16 | -8.62% | 10 |
| Mar 4, 2021 | 2,900.00 | 2,900.00 | 2,900.00 | 2,900.00 | 2,415.38 | 11.54% | 6 |