Altair Engineering Inc. (ALTR)
NASDAQ: ALTR
· Real-Time Price · USD
111.85
0.00 (0.00%)
At close: Mar 25, 2025, 3:59 PM
Altair Engineering Short Interest
Altair Engineering has a total short interest of 5.65M. Its short interest has increased by 14.89% to the previous Month.
Short Interest
5.65M
Short Prior Month
4.92M
% Change MoM
14.89%
Short % Floating
14.22%
Short % Outstanding
6.59%
Days to Cover
6.99
Short Interest Chart
Short Interest History
| Date | Short Interest | Short Prior Month | % Change | Day to Cover | Short % Float | Short % Out |
|---|---|---|---|---|---|---|
| Mar 25, 2025 | 5.65M | 4.92M | 14.89% | 6.99 | 14.22% | 6.59% |
| Mar 11, 2025 | 4.92M | 5.11M | -3.63% | 7.1 | 12.38% | 5.74% |
| Feb 26, 2025 | 5.11M | 4.06M | 25.71% | 7.41 | 12.84% | 5.95% |
| Feb 11, 2025 | 4.06M | 3.9M | 4.04% | 4.59 | 10.29% | 4.75% |
| Jan 27, 2025 | 3.9M | 3.8M | 2.73% | 5.16 | 9.89% | 4.56% |
| Jan 10, 2025 | 3.8M | 3.35M | 13.54% | 4.47 | 9.39% | 4.46% |
| Dec 24, 2024 | 3.35M | 3.32M | 0.74% | 5.22 | 8.27% | 3.93% |
| Dec 10, 2024 | 3.32M | 3.15M | 5.42% | 3.98 | 8.21% | 3.9% |
| Nov 26, 2024 | 3.15M | 4.48M | -29.63% | 1.7 | 7.78% | 3.7% |
| Nov 11, 2024 | 4.48M | 4.55M | -1.49% | 3.55 | 11.06% | 5.26% |
| Oct 24, 2024 | 4.55M | 4.91M | -7.5% | 18.45 | 11.33% | 5.36% |
| Oct 09, 2024 | 4.91M | 4.83M | 1.75% | 12.66 | 12.25% | 5.79% |
| Sep 24, 2024 | 4.83M | 4.67M | 3.53% | 19.82 | 12.04% | 5.69% |
| Sep 11, 2024 | 4.67M | 4.38M | 6.63% | 11 | 11.63% | 5.5% |
| Aug 26, 2024 | 4.38M | 4.19M | 4.41% | 9.42 | 10.9% | 5.15% |
| Aug 09, 2024 | 4.19M | 4.46M | -6.09% | 8.95 | 10.44% | 4.94% |
| Jul 24, 2024 | 4.46M | 4.37M | 2.06% | 12.51 | 11.85% | 5.37% |
| Jul 10, 2024 | 4.37M | 3.41M | 28.23% | 2.79 | 11.61% | 5.27% |
| Jun 26, 2024 | 3.41M | 3.42M | -0.27% | 4.85 | 9.06% | 4.11% |
| Jun 11, 2024 | 3.42M | 3.48M | -1.86% | 11.29 | 9.08% | 4.12% |
| May 24, 2024 | 3.48M | 3.47M | 0.27% | 8.84 | 9.25% | 4.2% |
| May 09, 2024 | 3.47M | 3.37M | 2.98% | 8.95 | 9.23% | 4.18% |
| Apr 24, 2024 | 3.37M | 3.43M | -1.61% | 11.09 | 8.96% | 4.06% |
| Apr 09, 2024 | 3.43M | 3.41M | 0.7% | 9.11 | 9.11% | 4.13% |
| Mar 26, 2024 | 3.41M | 3.32M | 2.51% | 9.42 | 7.64% | 4.13% |
| Mar 11, 2024 | 3.32M | 3.49M | -4.75% | 5.51 | 7.45% | 4.03% |
| Feb 27, 2024 | 3.49M | 3.47M | 0.43% | 9.04 | 7.82% | 4.23% |
| Feb 09, 2024 | 3.47M | 3.21M | 8.04% | 8.28 | 7.99% | 4.25% |
| Jan 24, 2024 | 3.21M | 2.99M | 7.59% | 7.09 | 7.4% | 3.94% |
| Jan 10, 2024 | 2.99M | 2.88M | 3.91% | 6.9 | 6.88% | 3.66% |
| Dec 27, 2023 | 2.88M | 3M | -4.16% | 8.28 | 6.62% | 3.52% |
| Dec 11, 2023 | 3M | 3.03M | -0.87% | 11.32 | 6.91% | 3.67% |
| Nov 27, 2023 | 3.03M | 2.67M | 13.23% | 6.95 | 6.97% | 3.71% |
| Nov 09, 2023 | 2.67M | 2.74M | -2.57% | 9.84 | 6.15% | 3.27% |
| Oct 24, 2023 | 2.74M | 2.42M | 13.59% | 8.32 | 6.4% | 3.38% |
| Oct 10, 2023 | 2.42M | 2.32M | 4.03% | 11.32 | 5.63% | 2.97% |
| Sep 26, 2023 | 2.32M | 2.79M | -16.74% | 11.51 | 5.41% | 2.86% |
| Sep 12, 2023 | 2.79M | 2.77M | 0.68% | 11.96 | 6.5% | 3.43% |
| Aug 24, 2023 | 2.77M | 2.73M | 1.43% | 8.96 | 6.46% | 3.41% |
| Aug 09, 2023 | 2.73M | 2.75M | -0.89% | 13.82 | 6.37% | 3.36% |
| Jul 25, 2023 | 2.75M | 2.89M | -4.53% | 12.65 | 6.52% | 3.41% |
| Jul 12, 2023 | 2.89M | 2.99M | -3.61% | 9.71 | 6.83% | 3.58% |
| Jun 27, 2023 | 2.99M | 2.98M | 0.53% | 8.14 | 7.09% | 3.71% |
| Jun 09, 2023 | 2.98M | 3.04M | -2.19% | 8.97 | 7.05% | 3.69% |
| May 24, 2023 | 3.04M | 3.08M | -1.09% | 11.52 | 7.21% | 3.77% |
| May 09, 2023 | 3.08M | 3.11M | -1.09% | 13.83 | 7.29% | 3.81% |
| Apr 25, 2023 | 3.11M | 3.05M | 1.99% | 11.06 | 7.37% | 3.86% |
| Apr 12, 2023 | 3.05M | 2.94M | 3.71% | 8.75 | 7.22% | 3.78% |
| Mar 24, 2023 | 2.94M | 2.57M | 14.48% | 7.22 | 7.02% | 3.64% |
| Mar 09, 2023 | 2.57M | 2.42M | 6.25% | 4.98 | 5.94% | 3.21% |
| Feb 27, 2023 | 2.42M | 2.27M | 6.66% | 9.46 | 5.59% | 3.02% |
| Feb 09, 2023 | 2.27M | 2.1M | 7.86% | 9.42 | 5.25% | 2.83% |
| Jan 25, 2023 | 2.1M | 2.18M | -3.38% | 10.24 | 4.87% | 2.63% |
| Jan 11, 2023 | 2.18M | 2.05M | 6.26% | 9.17 | 5.04% | 2.72% |
| Dec 27, 2022 | 2.05M | 2.09M | -1.88% | 6.89 | 4.73% | 2.56% |
| Dec 09, 2022 | 2.09M | 2.43M | -14.27% | 4.4 | 4.82% | 2.6% |
| Nov 25, 2022 | 2.43M | 2.56M | -4.98% | 6.26 | 5.62% | 3.04% |
| Nov 09, 2022 | 2.56M | 2.57M | -0.16% | 10.65 | 5.92% | 3.2% |
| Oct 25, 2022 | 2.57M | 2.53M | 1.38% | 4.84 | 5.93% | 3.2% |
| Oct 11, 2022 | 2.53M | 2.62M | -3.56% | 11.1 | 5.85% | 3.16% |
| Sep 26, 2022 | 2.62M | 2.81M | -6.51% | 10.54 | 6.09% | 3.28% |
| Sep 12, 2022 | 2.81M | 2.82M | -0.38% | 12.74 | 6.52% | 3.51% |
| Aug 24, 2022 | 2.82M | 2.75M | 2.61% | 9.45 | 6.54% | 3.53% |
| Aug 09, 2022 | 2.75M | 2.73M | 0.57% | 12.51 | 6.37% | 3.44% |
| Jul 26, 2022 | 2.73M | 2.64M | 3.38% | 10.92 | 6.34% | 3.42% |
| Jul 12, 2022 | 2.64M | 2.71M | -2.58% | 5.39 | 6.13% | 3.31% |
| Jun 27, 2022 | 2.71M | 2.63M | 3.23% | 5.92 | 6.32% | 3.4% |
| Jun 09, 2022 | 2.63M | 2.93M | -10.41% | 7.69 | 6.12% | 3.29% |
| May 24, 2022 | 2.93M | 2.67M | 9.95% | 5.81 | 6.83% | 3.68% |
| May 10, 2022 | 2.67M | 2.71M | -1.65% | 12.13 | 6.21% | 3.34% |
| Apr 26, 2022 | 2.71M | 2.75M | -1.55% | 18.56 | 6.32% | 3.4% |
| Apr 11, 2022 | 2.75M | 2.93M | -5.87% | 15.69 | 6.42% | 3.45% |
| Mar 24, 2022 | 2.93M | 2.79M | 4.71% | 12.35 | 6.84% | 3.67% |
| Mar 09, 2022 | 2.79M | 2.61M | 7.14% | 10.07 | 6.58% | 3.52% |
| Feb 25, 2022 | 2.61M | 2.46M | 6.14% | 16.01 | 5.71% | 3.29% |
| Feb 09, 2022 | 2.46M | 2.64M | -6.83% | 8.43 | 5.38% | 3.1% |
| Jan 26, 2022 | 2.64M | 2.64M | -0.12% | 13.87 | 5.78% | 3.33% |
| Jan 11, 2022 | 2.64M | 2.65M | -0.46% | 12.18 | 5.79% | 3.33% |
| Dec 27, 2021 | 2.65M | 2.66M | -0.16% | 16.38 | 5.91% | 3.36% |
| Dec 09, 2021 | 2.66M | 3.4M | -21.94% | 9.28 | 5.92% | 3.37% |
| Nov 24, 2021 | 3.4M | 3.64M | -6.39% | 15.77 | 7.58% | 4.32% |
| Nov 09, 2021 | 3.64M | 3.64M | -0.06% | 27.9 | 8.1% | 4.61% |
| Oct 26, 2021 | 3.64M | 4.79M | -23.98% | 16.77 | 8.1% | 4.62% |
| Oct 11, 2021 | 4.79M | 5.3M | -9.76% | 18.1 | 10.71% | 6.08% |
| Sep 24, 2021 | 5.3M | 5.48M | -3.21% | 32.42 | 12.87% | 7% |
| Sep 10, 2021 | 5.48M | 5.36M | 2.28% | 32.77 | 13.45% | 7.25% |
| Aug 24, 2021 | 5.36M | 4.63M | 15.7% | 20.77 | 13.15% | 7.09% |
| Aug 10, 2021 | 4.63M | 4.97M | -6.8% | 27.81 | 11.37% | 6.13% |
| Jul 26, 2021 | 4.97M | 4.83M | 2.8% | 24.29 | 12.21% | 6.58% |
| Jul 12, 2021 | 4.83M | 4.95M | -2.32% | 17.25 | 11.93% | 6.4% |
| Jun 24, 2021 | 4.95M | 5.03M | -1.62% | 19.44 | 12.42% | 6.58% |
| Jun 09, 2021 | 5.03M | 5.04M | -0.14% | 21.77 | 12.63% | 6.69% |
| May 25, 2021 | 5.04M | 4.83M | 4.34% | 14.33 | 12.65% | 6.7% |
| May 11, 2021 | 4.83M | 4.8M | 0.5% | 24.2 | 12.12% | 6.43% |
| Apr 26, 2021 | 4.8M | 4.7M | 2.31% | 20.62 | 12.06% | 6.39% |
| Apr 12, 2021 | 4.7M | 4.76M | -1.41% | 19.47 | 11.85% | 6.25% |
| Mar 24, 2021 | 4.76M | 4.78M | -0.4% | 12.06 | 12.21% | 6.37% |
| Mar 09, 2021 | 4.78M | 4.69M | 1.9% | 21.46 | 12.26% | 6.4% |
| Feb 24, 2021 | 4.69M | 4.59M | 2.32% | 16.88 | 10.54% | 6.29% |
| Feb 09, 2021 | 4.59M | 4.61M | -0.59% | 18.56 | 10.43% | 6.17% |
| Jan 27, 2021 | 4.61M | 4.59M | 0.57% | 17.31 | 10.49% | 6.21% |