ScanTech AI Systems Inc. (STAI)
NASDAQ: STAI · Real-Time Price · USD
3.920
+0.720 (22.50%)
At close: Dec 22, 2025, 4:00 PM EST
4.140
+0.220 (5.61%)
After-hours: Dec 22, 2025, 7:48 PM EST
ScanTech AI Systems Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Dec 22, 2025 | 3.15 | 4.15 | 3.10 | 3.92 | 3.92 | 22.50% | 162,300 |
| Dec 19, 2025 | 3.15 | 3.61 | 3.13 | 3.20 | 3.20 | 0.63% | 106,596 |
| Dec 18, 2025 | 3.33 | 3.65 | 3.04 | 3.18 | 3.18 | -11.91% | 138,582 |
| Dec 17, 2025 | 3.71 | 3.80 | 3.24 | 3.61 | 3.61 | -4.24% | 162,925 |
| Dec 16, 2025 | 3.86 | 4.59 | 3.50 | 3.77 | 3.77 | -8.14% | 159,241 |
| Dec 15, 2025 | 5.13 | 5.19 | 4.10 | 4.10 | 4.10 | -21.32% | 91,399 |
| Dec 12, 2025 | 5.00 | 5.88 | 4.77 | 5.22 | 5.22 | -11.74% | 123,064 |
| Dec 11, 2025 | 5.40 | 6.07 | 5.22 | 5.91 | 5.91 | 7.77% | 43,037 |
| Dec 10, 2025 | 5.44 | 5.96 | 5.40 | 5.48 | 5.48 | -3.79% | 42,339 |
| Dec 9, 2025 | 5.34 | 5.70 | 5.20 | 5.70 | 5.70 | 0.71% | 57,258 |
| Dec 8, 2025 | 5.84 | 5.95 | 5.43 | 5.66 | 5.66 | -1.50% | 51,883 |
| Dec 5, 2025 | 6.89 | 6.89 | 5.20 | 5.75 | 5.75 | -5.99% | 192,760 |
| Dec 4, 2025 | 4.60 | 6.87 | 4.50 | 6.11 | 6.11 | 32.35% | 1,383,072 |
| Dec 3, 2025 | 5.58 | 5.69 | 3.41 | 4.62 | 4.62 | -38.44% | 488,901 |
| Dec 2, 2025 | 7.75 | 7.80 | 7.25 | 7.50 | 7.50 | -2.39% | 105,158 |
| Dec 1, 2025 | 8.20 | 8.20 | 7.60 | 7.69 | 7.69 | -8.46% | 31,769 |
| Nov 28, 2025 | 8.05 | 8.44 | 7.85 | 8.40 | 8.40 | 6.63% | 70,063 |
| Nov 26, 2025 | 7.94 | 8.00 | 7.70 | 7.87 | 7.87 | 0.28% | 32,598 |
| Nov 25, 2025 | 8.00 | 8.38 | 7.63 | 7.85 | 7.85 | -2.58% | 41,452 |
| Nov 24, 2025 | 7.65 | 8.30 | 7.64 | 8.06 | 8.06 | 8.89% | 61,247 |
| Nov 21, 2025 | 7.40 | 7.61 | 7.09 | 7.40 | 7.40 | -0.19% | 34,111 |
| Nov 20, 2025 | 8.20 | 8.20 | 7.40 | 7.42 | 7.42 | -6.29% | 41,638 |
| Nov 19, 2025 | 8.00 | 8.36 | 7.83 | 7.91 | 7.91 | -3.01% | 29,220 |
| Nov 18, 2025 | 7.80 | 8.20 | 7.74 | 8.16 | 8.16 | 2.62% | 25,119 |
| Nov 17, 2025 | 8.26 | 8.50 | 7.62 | 7.95 | 7.95 | -5.49% | 56,676 |
| Nov 14, 2025 | 8.12 | 8.56 | 8.12 | 8.41 | 8.41 | -0.99% | 31,144 |
| Nov 13, 2025 | 9.20 | 9.40 | 8.12 | 8.50 | 8.50 | -6.78% | 51,121 |
| Nov 12, 2025 | 9.40 | 9.62 | 8.80 | 9.12 | 9.12 | -0.48% | 24,921 |
| Nov 11, 2025 | 8.79 | 9.37 | 8.48 | 9.16 | 9.16 | -0.65% | 37,835 |
| Nov 10, 2025 | 9.50 | 9.88 | 8.89 | 9.22 | 9.22 | 6.47% | 80,085 |
| Nov 7, 2025 | 8.44 | 8.69 | 8.06 | 8.66 | 8.66 | -0.39% | 40,255 |
| Nov 6, 2025 | 9.40 | 9.60 | 8.37 | 8.69 | 8.69 | -6.58% | 51,387 |
| Nov 5, 2025 | 8.68 | 9.46 | 8.68 | 9.31 | 9.31 | 6.28% | 32,223 |
| Nov 4, 2025 | 8.82 | 8.82 | 8.20 | 8.76 | 8.76 | -5.18% | 88,963 |
| Nov 3, 2025 | 10.19 | 10.20 | 9.10 | 9.23 | 9.23 | -8.30% | 86,538 |
| Oct 31, 2025 | 10.28 | 10.44 | 9.77 | 10.07 | 10.07 | -1.02% | 82,127 |
| Oct 30, 2025 | 10.38 | 10.76 | 10.04 | 10.17 | 10.17 | -4.68% | 65,945 |
| Oct 29, 2025 | 11.60 | 11.92 | 10.22 | 10.67 | 10.67 | -9.54% | 140,180 |
| Oct 28, 2025 | 13.30 | 13.59 | 11.51 | 11.80 | 11.80 | -9.51% | 196,075 |
| Oct 27, 2025 | 12.20 | 14.60 | 12.10 | 13.04 | 13.04 | 10.25% | 400,581 |
| Oct 24, 2025 | 11.57 | 12.10 | 11.20 | 11.83 | 11.83 | 5.27% | 143,580 |
| Oct 23, 2025 | 10.18 | 11.40 | 10.18 | 11.24 | 11.24 | 8.08% | 102,039 |
| Oct 22, 2025 | 10.57 | 11.28 | 9.63 | 10.40 | 10.40 | -2.64% | 161,226 |
| Oct 21, 2025 | 11.60 | 11.71 | 10.50 | 10.68 | 10.68 | -7.66% | 116,328 |
| Oct 20, 2025 | 11.00 | 11.80 | 10.80 | 11.56 | 11.56 | 8.48% | 129,207 |
| Oct 17, 2025 | 10.40 | 10.96 | 10.20 | 10.66 | 10.66 | 2.50% | 101,543 |
| Oct 16, 2025 | 12.30 | 13.00 | 10.22 | 10.40 | 10.40 | -12.16% | 335,762 |
| Oct 15, 2025 | 12.71 | 12.77 | 11.31 | 11.84 | 11.84 | 6.78% | 371,399 |
| Oct 14, 2025 | 10.76 | 11.80 | 10.60 | 11.09 | 11.09 | 4.60% | 242,866 |
| Oct 13, 2025 | 11.88 | 12.60 | 10.00 | 10.60 | 10.60 | -15.20% | 568,652 |