ScanTech AI Systems Inc. (STAI)
NASDAQ: STAI · Real-Time Price · USD
0.5339
-0.0443 (-7.66%)
At close: Oct 21, 2025, 4:00 PM EDT
0.5381
+0.0042 (0.79%)
After-hours: Oct 21, 2025, 7:58 PM EDT
ScanTech AI Systems Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 21, 2025 | 0.58 | 0.59 | 0.53 | 0.53 | 0.53 | -7.66% | 2,326,562 |
| Oct 20, 2025 | 0.55 | 0.59 | 0.54 | 0.58 | 0.58 | 8.48% | 2,584,149 |
| Oct 17, 2025 | 0.52 | 0.55 | 0.51 | 0.53 | 0.53 | 2.50% | 2,030,869 |
| Oct 16, 2025 | 0.62 | 0.65 | 0.51 | 0.52 | 0.52 | -12.16% | 6,715,240 |
| Oct 15, 2025 | 0.64 | 0.64 | 0.57 | 0.59 | 0.59 | 6.78% | 7,427,982 |
| Oct 14, 2025 | 0.54 | 0.59 | 0.53 | 0.55 | 0.55 | 4.60% | 4,857,321 |
| Oct 13, 2025 | 0.59 | 0.63 | 0.50 | 0.53 | 0.53 | -15.20% | 11,373,048 |
| Oct 10, 2025 | 0.57 | 0.91 | 0.55 | 0.63 | 0.63 | 39.45% | 228,870,836 |
| Oct 9, 2025 | 0.45 | 0.47 | 0.43 | 0.45 | 0.45 | -0.88% | 923,992 |
| Oct 8, 2025 | 0.44 | 0.47 | 0.44 | 0.45 | 0.45 | 3.62% | 1,633,804 |
| Oct 7, 2025 | 0.44 | 0.46 | 0.42 | 0.44 | 0.44 | -3.66% | 1,453,795 |
| Oct 6, 2025 | 0.44 | 0.47 | 0.43 | 0.45 | 0.45 | 2.51% | 2,204,488 |
| Oct 3, 2025 | 0.43 | 0.46 | 0.41 | 0.44 | 0.44 | 8.18% | 3,782,403 |
| Oct 2, 2025 | 0.42 | 0.43 | 0.40 | 0.41 | 0.41 | -1.33% | 2,183,550 |
| Oct 1, 2025 | 0.42 | 0.42 | 0.40 | 0.41 | 0.41 | -0.24% | 1,664,929 |
| Sep 30, 2025 | 0.42 | 0.43 | 0.40 | 0.42 | 0.42 | 0.51% | 1,220,864 |
| Sep 29, 2025 | 0.42 | 0.43 | 0.40 | 0.41 | 0.41 | -1.41% | 1,632,677 |
| Sep 26, 2025 | 0.44 | 0.45 | 0.41 | 0.42 | 0.42 | -6.35% | 1,889,986 |
| Sep 25, 2025 | 0.44 | 0.47 | 0.43 | 0.45 | 0.45 | -4.85% | 1,666,519 |
| Sep 24, 2025 | 0.50 | 0.52 | 0.47 | 0.47 | 0.47 | -6.24% | 1,547,671 |
| Sep 23, 2025 | 0.50 | 0.55 | 0.49 | 0.50 | 0.50 | -1.32% | 2,713,616 |
| Sep 22, 2025 | 0.46 | 0.53 | 0.45 | 0.51 | 0.51 | 4.29% | 3,751,046 |
| Sep 19, 2025 | 0.47 | 0.58 | 0.45 | 0.49 | 0.49 | 8.85% | 12,334,787 |
| Sep 18, 2025 | 0.46 | 0.49 | 0.45 | 0.45 | 0.45 | 1.24% | 2,678,020 |
| Sep 17, 2025 | 0.50 | 0.50 | 0.44 | 0.44 | 0.44 | -9.78% | 4,170,652 |
| Sep 16, 2025 | 0.44 | 0.50 | 0.43 | 0.49 | 0.49 | 14.46% | 2,403,771 |
| Sep 15, 2025 | 0.41 | 0.45 | 0.41 | 0.43 | 0.43 | 3.23% | 1,370,607 |
| Sep 12, 2025 | 0.43 | 0.45 | 0.41 | 0.41 | 0.41 | -6.31% | 1,493,653 |
| Sep 11, 2025 | 0.38 | 0.45 | 0.38 | 0.44 | 0.44 | 13.87% | 2,672,035 |
| Sep 10, 2025 | 0.39 | 0.40 | 0.38 | 0.39 | 0.39 | -0.10% | 1,190,939 |
| Sep 9, 2025 | 0.36 | 0.40 | 0.35 | 0.39 | 0.39 | 5.79% | 1,308,131 |
| Sep 8, 2025 | 0.36 | 0.38 | 0.36 | 0.37 | 0.37 | -0.05% | 841,567 |
| Sep 5, 2025 | 0.36 | 0.37 | 0.35 | 0.37 | 0.37 | -0.33% | 758,191 |
| Sep 4, 2025 | 0.38 | 0.39 | 0.35 | 0.37 | 0.37 | -2.87% | 1,300,694 |
| Sep 3, 2025 | 0.37 | 0.41 | 0.36 | 0.38 | 0.38 | - | 4,906,720 |
| Sep 2, 2025 | 0.41 | 0.45 | 0.36 | 0.38 | 0.38 | -10.12% | 3,352,207 |
| Aug 29, 2025 | 0.44 | 0.45 | 0.42 | 0.42 | 0.42 | -1.99% | 1,138,863 |
| Aug 28, 2025 | 0.45 | 0.45 | 0.42 | 0.43 | 0.43 | -0.85% | 1,309,301 |
| Aug 27, 2025 | 0.45 | 0.47 | 0.43 | 0.44 | 0.44 | -1.34% | 2,651,287 |
| Aug 26, 2025 | 0.46 | 0.48 | 0.44 | 0.44 | 0.44 | -4.19% | 2,022,056 |
| Aug 25, 2025 | 0.43 | 0.49 | 0.43 | 0.46 | 0.46 | 0.07% | 1,939,216 |
| Aug 22, 2025 | 0.42 | 0.48 | 0.42 | 0.46 | 0.46 | 4.62% | 3,657,761 |
| Aug 21, 2025 | 0.44 | 0.49 | 0.42 | 0.44 | 0.44 | 3.17% | 5,605,767 |
| Aug 20, 2025 | 0.57 | 0.58 | 0.43 | 0.43 | 0.43 | -9.13% | 58,841,335 |
| Aug 19, 2025 | 0.49 | 0.51 | 0.45 | 0.47 | 0.47 | -6.18% | 24,444,738 |
| Aug 18, 2025 | 0.51 | 0.53 | 0.49 | 0.50 | 0.50 | -1.81% | 554,080 |
| Aug 15, 2025 | 0.53 | 0.53 | 0.48 | 0.51 | 0.51 | -2.10% | 1,475,152 |
| Aug 14, 2025 | 0.45 | 0.58 | 0.45 | 0.52 | 0.52 | 11.06% | 5,310,304 |
| Aug 13, 2025 | 0.47 | 0.49 | 0.43 | 0.47 | 0.47 | -3.28% | 2,462,703 |
| Aug 12, 2025 | 0.51 | 0.52 | 0.44 | 0.48 | 0.48 | -9.06% | 2,303,194 |