$ALTR: Altair Engineering Inc. - Class A Common Stock
2024-09-06 ALTR 2024-09-06 20:00:58 0.00 0.00 -1.39% 2024-09-09 ALTR 2024-09-09 05:00:55 96.23 83.80 -1.39% ALTR 2024-09-09 08:00:52 0.00 0.00 0.00% ALTR 2024-09-09 09:00:49 96.23 84.60 0.00% ALTR 2024-09-09 10:00:54 86.14 85.88 1.36% ALTR 2024-09-09 11:00:49 86.23 86.07 1.49% ALTR 2024-09-09 12:00:52 86.33 86.21 1.71% ALTR 2024-09-09 13:00:55 86.62 86.48 2.07% ALTR 2024-09-09 14:00:53 86.31 86.22 1.63% ALTR 2024-09-09 15:00:56 85.90 85.78 1.12% ALTR 2024-09-09 16:00:55 0.00 83.87 1.72% ALTR 2024-09-09 17:00:51 96.23 83.87 1.74% ALTR 2024-09-09 18:00:58 87.14 86.06 1.74% ALTR 2024-09-09 19:00:53 87.10 86.02 1.74% ALTR 2024-09-09 20:00:54 0.00 0.00 1.74% 2024-09-10 ALTR 2024-09-10 05:00:53 96.23 83.87 1.74% ALTR 2024-09-10 08:00:55 96.23 83.87 0.00% ALTR 2024-09-10 10:00:53 86.60 85.75 -0.01% ALTR 2024-09-10 11:00:50 86.54 86.22 0.11% ALTR 2024-09-10 12:00:50 85.62 85.37 -0.99% ALTR 2024-09-10 13:00:50 85.47 85.23 -1.24% ALTR 2024-09-10 14:00:48 85.81 85.68 -0.70% ALTR 2024-09-10 15:00:45 86.04 85.95 -0.34% ALTR 2024-09-10 16:00:51 0.00 83.87 -0.19% ALTR 2024-09-10 17:00:50 86.81 85.42 -0.19% ALTR 2024-09-10 18:00:52 86.82 85.44 -0.19% ALTR 2024-09-10 19:00:51 86.50 85.40 -0.19% ALTR 2024-09-10 20:00:56 0.00 0.00 -0.19% 2024-09-11 ALTR 2024-09-11 05:00:52 96.23 86.50 -0.19% ALTR 2024-09-11 06:00:54 96.23 83.87 -0.19% ALTR 2024-09-11 08:00:55 96.23 83.87 0.00% ALTR 2024-09-11 09:00:55 87.74 83.87 0.00% ALTR 2024-09-11 10:00:54 85.76 85.53 -0.50% ALTR 2024-09-11 11:00:47 84.78 84.46 -1.78% ALTR 2024-09-11 12:00:47 84.77 84.51 -1.73% ALTR 2024-09-11 13:00:53 85.42 85.23 -1.04% ALTR 2024-09-11 14:00:51 85.40 85.24 -1.00% ALTR 2024-09-11 15:00:53 85.56 85.35 -0.93% ALTR 2024-09-11 16:00:49 0.00 83.87 -0.50% ALTR 2024-09-11 17:00:54 92.94 83.87 -0.62% ALTR 2024-09-11 18:00:55 92.94 84.91 -0.62% ALTR 2024-09-11 20:00:54 0.00 0.00 -0.62% 2024-09-12 ALTR 2024-09-12 05:00:58 96.23 34.43 -0.62% ALTR 2024-09-12 08:00:52 96.23 34.43 0.00% ALTR 2024-09-12 09:00:52 96.23 34.26 0.00% ALTR 2024-09-12 10:00:53 85.69 85.50 -0.15% ALTR 2024-09-12 11:00:46 85.27 85.04 -0.70% ALTR 2024-09-12 12:00:51 85.11 84.95 -0.62% ALTR 2024-09-12 13:00:53 85.75 85.50 -0.12% ALTR 2024-09-12 14:00:51 86.44 86.13 0.75% ALTR 2024-09-12 15:00:53 85.95 85.77 0.36% ALTR 2024-09-12 16:00:53 104.55 83.32 0.31% ALTR 2024-09-12 17:00:51 86.52 83.32 0.32% ALTR 2024-09-12 18:00:55 86.50 85.06 0.32% ALTR 2024-09-12 19:00:54 86.49 85.14 0.32% ALTR 2024-09-12 20:01:01 0.00 0.00 0.32% 2024-09-13 ALTR 2024-09-13 05:00:58 96.23 34.54 0.32% ALTR 2024-09-13 08:00:52 96.23 34.54 0.00% ALTR 2024-09-13 09:00:55 96.23 34.36 0.00% ALTR 2024-09-13 10:00:54 87.41 86.39 1.20% ALTR 2024-09-13 11:00:50 87.81 87.60 2.01% ALTR 2024-09-13 12:00:49 88.14 88.02 2.62% ALTR 2024-09-13 13:00:54 88.28 88.16 2.78% ALTR 2024-09-13 14:00:51 88.11 88.01 2.48% ALTR 2024-09-13 15:00:51 87.84 87.77 2.20% ALTR 2024-09-13 16:00:55 88.90 86.11 2.48% ALTR 2024-09-13 17:00:50 88.72 87.18 2.47% ALTR 2024-09-13 18:00:57 88.75 87.22 2.47% ALTR 2024-09-13 20:00:56 0.00 0.00 2.47% 2024-09-16 ALTR 2024-09-16 05:00:55 96.23 35.39 2.47% ALTR 2024-09-16 07:00:56 88.79 87.28 2.47% ALTR 2024-09-16 08:00:50 88.73 87.22 0.00% ALTR 2024-09-16 09:00:53 88.70 87.19 0.00% ALTR 2024-09-16 10:00:53 89.21 88.80 1.21% ALTR 2024-09-16 11:00:55 88.82 88.55 0.78% ALTR 2024-09-16 12:00:54 88.81 88.52 0.68% ALTR 2024-09-16 13:00:50 88.78 88.59 0.88% ALTR 2024-09-16 14:00:51 88.71 88.56 0.80% ALTR 2024-09-16 15:00:53 88.98 88.81 0.98% ALTR 2024-09-16 16:00:52 0.00 45.00 1.15% ALTR 2024-09-16 17:00:53 96.23 45.00 1.12% ALTR 2024-09-16 18:00:50 89.68 88.16 1.12% ALTR 2024-09-16 19:00:50 89.76 88.24 1.12% ALTR 2024-09-16 20:00:57 0.00 0.00 1.12% 2024-09-17 ALTR 2024-09-17 05:00:52 96.23 45.00 1.12% ALTR 2024-09-17 07:00:54 90.04 88.53 1.12% ALTR 2024-09-17 08:00:54 96.23 45.00 0.00% ALTR 2024-09-17 09:00:48 96.23 87.22 0.00% ALTR 2024-09-17 10:00:49 89.98 89.67 1.08% ALTR 2024-09-17 11:00:51 90.88 90.65 2.03% ALTR 2024-09-17 12:00:52 91.38 91.20 2.64% ALTR 2024-09-17 13:00:53 90.98 90.77 2.14% ALTR 2024-09-17 14:00:51 91.38 91.11 2.66% ALTR 2024-09-17 15:00:49 91.34 91.23 2.69% ALTR 2024-09-17 16:00:52 96.23 45.00 3.28% ALTR 2024-09-17 17:00:50 92.67 91.14 3.25% ALTR 2024-09-17 18:00:52 92.65 91.90 3.25% ALTR 2024-09-17 19:00:53 92.69 91.90 3.25% ALTR 2024-09-17 20:00:51 0.00 0.00 3.25% 2024-09-18 ALTR 2024-09-18 05:01:00 96.23 91.00 3.25% ALTR 2024-09-18 08:00:51 96.21 91.00 0.00% ALTR 2024-09-18 09:00:54 95.63 91.00 0.00% ALTR 2024-09-18 10:00:54 92.04 91.69 -0.07% ALTR 2024-09-18 11:00:47 92.29 92.18 0.44% ALTR 2024-09-18 12:00:54 91.79 91.60 -0.22% ALTR 2024-09-18 13:00:56 92.40 92.22 0.46% ALTR 2024-09-18 14:00:53 93.15 93.00 1.95% ALTR 2024-09-18 15:00:54 94.47 94.23 2.75% ALTR 2024-09-18 16:00:54 92.92 92.79 1.08% ALTR 2024-09-18 17:00:51 96.23 91.00 1.04% ALTR 2024-09-18 18:00:55 93.78 92.29 1.04% ALTR 2024-09-18 19:00:54 96.23 91.00 1.04% ALTR 2024-09-18 20:00:57 0.00 0.00 1.04% 2024-09-19 ALTR 2024-09-19 05:01:02 96.23 45.00 1.04% ALTR 2024-09-19 08:00:58 96.21 45.00 0.00% ALTR 2024-09-19 09:00:56 96.13 45.00 0.00% ALTR 2024-09-19 10:00:57 94.80 94.47 1.76% ALTR 2024-09-19 11:01:00 94.61 94.41 1.69% ALTR 2024-09-19 12:00:54 94.31 94.16 1.46% ALTR 2024-09-19 13:00:53 95.12 94.94 2.27% ALTR 2024-09-19 14:00:53 95.31 95.17 2.58% ALTR 2024-09-19 15:00:54 94.93 94.77 2.17% ALTR 2024-09-19 15:26:19 Altair Engineering: Rating Downgrade As Near-Term Upside Is Limited ALTR 2024-09-19 16:00:54 95.26 95.11 2.46% ALTR 2024-09-19 17:00:58 96.23 78.01 2.44% ALTR 2024-09-19 18:00:54 95.81 72.25 2.44% ALTR 2024-09-19 19:00:55 95.76 72.25 2.44% ALTR 2024-09-19 20:00:57 0.00 0.00 2.44% 2024-09-20 ALTR 2024-09-20 05:00:54 96.23 45.00 2.44% ALTR 2024-09-20 07:00:52 96.23 82.31 2.44% ALTR 2024-09-20 08:00:55 96.22 90.01 0.00% ALTR 2024-09-20 09:00:52 96.22 90.44 0.00% ALTR 2024-09-20 10:00:55 96.34 95.79 1.10% ALTR 2024-09-20 11:00:53 95.03 94.79 -0.11% ALTR 2024-09-20 12:00:53 95.18 94.97 -0.13% ALTR 2024-09-20 13:00:52 95.07 94.88 -0.09% ALTR 2024-09-20 14:00:50 95.10 94.92 -0.17% ALTR 2024-09-20 15:00:50 95.57 95.47 0.47% ALTR 2024-09-20 16:00:50 95.91 93.53 -0.75% ALTR 2024-09-20 17:00:56 98.80 93.39 -0.74% ALTR 2024-09-20 18:00:51 95.10 93.55 -0.74% ALTR 2024-09-20 19:00:54 95.19 93.64 -0.74% ALTR 2024-09-20 20:00:55 0.00 0.00 -0.74% 2024-09-23 ALTR 2024-09-23 05:00:52 150.14 45.00 -0.74% ALTR 2024-09-23 07:00:57 95.58 93.47 -0.74% ALTR 2024-09-23 08:01:00 95.41 93.68 0.00% ALTR 2024-09-23 09:00:49 95.48 93.75 0.00% ALTR 2024-09-23 10:00:55 95.03 94.61 0.37% ALTR 2024-09-23 11:00:57 93.66 93.44 -1.02% ALTR 2024-09-23 12:00:51 94.42 94.27 -0.14% ALTR 2024-09-23 13:00:52 94.96 94.76 0.42% ALTR 2024-09-23 14:00:48 94.45 94.32 -0.11% ALTR 2024-09-23 15:00:55 94.25 94.05 -0.28% ALTR 2024-09-23 16:00:54 0.00 0.00 -0.39% ALTR 2024-09-23 17:00:54 151.00 45.00 -0.39% ALTR 2024-09-23 18:00:55 94.80 93.26 -0.39% ALTR 2024-09-23 19:00:57 94.62 93.22 -0.98% ALTR 2024-09-23 20:00:57 0.00 0.00 -0.98% 2024-09-24 ALTR 2024-09-24 05:00:51 149.55 45.00 -0.98% ALTR 2024-09-24 08:00:53 95.06 45.00 0.00% ALTR 2024-09-24 10:00:52 93.48 92.80 -0.97% ALTR 2024-09-24 11:00:52 93.19 92.94 -1.10% ALTR 2024-09-24 12:00:55 93.27 93.16 -0.85% ALTR 2024-09-24 13:00:56 93.21 93.00 -1.01% ALTR 2024-09-24 14:00:51 93.92 93.80 -0.15% ALTR 2024-09-24 15:00:53 93.59 93.47 -0.51% ALTR 2024-09-24 16:00:57 0.00 45.00 -0.37% ALTR 2024-09-24 17:00:58 150.11 45.00 -0.37% ALTR 2024-09-24 20:00:59 0.00 0.00 -0.37% 2024-09-25 ALTR 2024-09-25 05:00:54 148.99 45.00 -0.37% ALTR 2024-09-25 08:00:55 148.99 45.00 0.00% ALTR 2024-09-25 09:00:56 149.93 45.00 0.00% ALTR 2024-09-25 10:00:57 94.78 94.15 0.80% ALTR 2024-09-25 11:00:53 95.28 95.13 1.53% ALTR 2024-09-25 12:00:51 95.02 95.00 1.41% ALTR 2024-09-25 13:00:52 94.08 93.87 0.21% ALTR 2024-09-25 14:00:51 94.27 94.20 0.57% ALTR 2024-09-25 15:00:48 93.96 93.84 0.20% ALTR 2024-09-25 16:00:49 0.00 0.00 0.52% ALTR 2024-09-25 17:00:53 150.56 45.00 -0.25% ALTR 2024-09-25 18:00:50 150.56 86.15 -0.25% ALTR 2024-09-25 20:00:55 0.00 0.00 -0.25% 2024-09-26 ALTR 2024-09-26 05:00:53 149.77 45.00 -0.25% ALTR 2024-09-26 08:00:57 149.77 46.00 0.00% ALTR 2024-09-26 09:00:51 150.72 46.00 0.00% ALTR 2024-09-26 10:00:53 96.28 96.02 2.04% ALTR 2024-09-26 11:00:53 95.11 94.79 0.81% ALTR 2024-09-26 12:00:48 95.62 95.42 1.41% ALTR 2024-09-26 13:00:53 94.87 94.69 0.53% ALTR 2024-09-26 14:00:54 95.20 95.08 1.01% ALTR 2024-09-26 15:00:54 95.52 95.44 1.38% ALTR 2024-09-26 16:00:53 95.15 95.06 0.94% ALTR 2024-09-26 17:00:53 152.57 46.00 0.91% ALTR 2024-09-26 20:00:40 0.00 0.00 0.91% 2024-09-27 ALTR 2024-09-27 05:00:53 151.14 45.00 0.91% ALTR 2024-09-27 08:00:52 151.14 45.00 0.00% ALTR 2024-09-27 09:00:50 152.09 45.00 0.00% ALTR 2024-09-27 10:00:51 95.93 95.40 0.50% ALTR 2024-09-27 11:00:50 96.24 96.11 1.17% ALTR 2024-09-27 12:00:51 95.14 94.88 0.01% ALTR 2024-09-27 13:00:50 95.05 94.92 -0.15% ALTR 2024-09-27 14:00:52 95.23 95.09 0.03% ALTR 2024-09-27 15:00:49 95.12 94.89 -0.12% ALTR 2024-09-27 16:00:49 0.00 45.00 -0.21% ALTR 2024-09-27 17:00:50 95.58 94.01 -0.20% ALTR 2024-09-27 18:00:50 95.61 94.04 -0.20% ALTR 2024-09-27 19:00:52 95.26 94.02 -0.20% ALTR 2024-09-27 20:00:54 0.00 0.00 -0.20% 2024-09-30 ALTR 2024-09-30 05:00:48 150.84 85.97 -0.20% ALTR 2024-09-30 06:00:51 151.79 45.00 1.71% ALTR 2024-09-30 08:00:53 95.42 93.85 0.00% ALTR 2024-09-30 09:00:52 95.47 93.90 0.00% ALTR 2024-09-30 10:00:55 94.98 94.35 0.03% ALTR 2024-09-30 11:00:53 94.94 94.85 0.05% ALTR 2024-09-30 12:00:52 94.94 94.81 0.05% ALTR 2024-09-30 13:00:50 95.44 95.30 0.49% ALTR 2024-09-30 14:00:49 95.75 95.64 0.83% ALTR 2024-09-30 15:00:54 94.92 94.78 -0.02% ALTR 2024-09-30 16:00:47 0.00 0.00 0.54% ALTR 2024-09-30 17:00:47 152.19 45.00 0.67% ALTR 2024-09-30 19:00:48 103.67 45.00 0.67% ALTR 2024-09-30 20:00:53 0.00 0.00 0.67% 2024-10-01 ALTR 2024-10-01 05:00:51 151.86 45.00 0.67% ALTR 2024-10-01 08:00:53 151.86 45.00 0.00% ALTR 2024-10-01 09:00:49 152.81 45.00 0.00% ALTR 2024-10-01 10:00:53 93.62 92.54 -2.57% ALTR 2024-10-01 11:00:48 92.58 92.27 -3.15% ALTR 2024-10-01 12:00:48 92.07 91.87 -3.75% ALTR 2024-10-01 13:00:51 92.04 91.84 -3.74% ALTR 2024-10-01 14:00:53 92.66 92.42 -3.06% ALTR 2024-10-01 15:00:51 92.55 92.48 -3.17% ALTR 2024-10-01 16:00:54 0.00 45.00 -3.84% ALTR 2024-10-01 17:00:51 147.52 45.00 -3.81% ALTR 2024-10-01 18:00:51 92.74 45.00 -3.81% ALTR 2024-10-01 19:00:58 147.52 83.22 -3.81% ALTR 2024-10-01 20:00:57 0.00 0.00 -3.81% 2024-10-02 ALTR 2024-10-02 05:00:55 145.93 83.41 -3.81% ALTR 2024-10-02 06:00:53 145.93 45.00 -3.81% ALTR 2024-10-02 08:00:55 145.93 45.00 0.82% ALTR 2024-10-02 09:00:55 146.84 91.20 0.82% ALTR 2024-10-02 10:00:50 92.39 91.80 -0.12% ALTR 2024-10-02 11:00:54 94.09 93.83 2.42% ALTR 2024-10-02 12:00:47 94.76 94.57 3.02% ALTR 2024-10-02 13:00:49 94.74 94.56 2.98% ALTR 2024-10-02 14:00:47 94.91 94.81 3.28% ALTR 2024-10-02 15:00:51 94.75 94.63 3.11% ALTR 2024-10-02 16:00:58 0.00 92.98 3.17% ALTR 2024-10-02 17:00:51 95.73 94.23 3.32% ALTR 2024-10-02 18:00:55 95.72 94.54 3.32% ALTR 2024-10-02 19:00:52 95.71 94.53 3.32% ALTR 2024-10-02 20:00:52 0.00 0.00 3.32% 2024-10-03 ALTR 2024-10-03 05:00:54 150.77 38.12 3.32% ALTR 2024-10-03 08:00:48 95.45 94.02 0.00% ALTR 2024-10-03 09:00:58 95.30 93.87 0.00% ALTR 2024-10-03 10:00:45 94.32 93.88 -0.63% ALTR 2024-10-03 11:00:52 93.75 93.26 -1.43% ALTR 2024-10-03 12:00:52 94.55 94.34 -0.33% ALTR 2024-10-03 13:00:49 93.32 93.12 -1.75% ALTR 2024-10-03 14:00:51 93.60 93.36 -1.38% ALTR 2024-10-03 15:00:49 93.69 93.53 -1.39% ALTR 2024-10-03 16:00:50 0.00 0.00 -0.81% ALTR 2024-10-03 17:00:47 151.20 86.43 -0.94% ALTR 2024-10-03 18:00:49 151.20 93.48 -0.94% ALTR 2024-10-03 19:00:47 151.20 93.55 -0.94% ALTR 2024-10-03 20:00:49 0.00 0.00 -0.94% 2024-10-04 ALTR 2024-10-04 05:00:49 149.36 85.91 -0.94% ALTR 2024-10-04 08:00:48 149.36 93.95 0.00% ALTR 2024-10-04 09:00:48 150.30 86.88 0.00% ALTR 2024-10-04 10:00:52 94.98 94.47 1.43% ALTR 2024-10-04 11:00:53 95.06 94.75 1.11% ALTR 2024-10-04 12:00:51 94.93 94.74 1.01% ALTR 2024-10-04 13:00:47 94.94 94.76 0.99% ALTR 2024-10-04 14:01:09 94.86 94.66 0.86% ALTR 2024-10-04 15:00:54 94.95 94.78 0.97% ALTR 2024-10-04 16:00:55 0.00 0.00 1.57% ALTR 2024-10-04 17:00:52 152.67 38.17 1.59% ALTR 2024-10-04 18:00:52 96.11 94.66 1.59% ALTR 2024-10-04 19:00:57 96.05 94.60 1.59% ALTR 2024-10-04 20:00:51 0.00 0.00 1.59%