Alpha Cognition Inc. (ACOG)
NASDAQ: ACOG · Real-Time Price · USD
8.84
-0.01 (-0.11%)
At close: Sep 18, 2026, 4:00 PM EDT
8.83
-0.01 (-0.11%)
After-hours: Sep 18, 2026, 7:30 PM EDT
Alpha Cognition Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Sep 18, 2026 | 8.88 | 9.21 | 8.77 | 8.83 | 8.83 | -0.23% | 61,875 |
| Sep 17, 2026 | 8.72 | 9.24 | 8.53 | 8.85 | 8.85 | 5.36% | 180,206 |
| Sep 16, 2026 | 8.82 | 8.92 | 8.30 | 8.40 | 8.40 | -4.55% | 241,177 |
| Sep 15, 2026 | 8.61 | 8.94 | 8.34 | 8.80 | 8.80 | 1.03% | 135,561 |
| Sep 14, 2026 | 8.88 | 8.88 | 8.50 | 8.71 | 8.71 | -2.13% | 145,753 |
| Sep 11, 2026 | 8.99 | 9.30 | 8.65 | 8.90 | 8.90 | - | 85,321 |
| Sep 10, 2026 | 8.93 | 9.34 | 8.86 | 8.90 | 8.90 | -2.52% | 82,183 |
| Sep 9, 2026 | 9.54 | 9.54 | 8.92 | 9.13 | 9.13 | -4.10% | 57,995 |
| Sep 8, 2026 | 9.31 | 9.75 | 9.15 | 9.52 | 9.52 | - | 85,270 |
| Sep 4, 2026 | 9.22 | 9.54 | 9.10 | 9.52 | 9.52 | 3.37% | 45,936 |
| Sep 3, 2026 | 9.35 | 9.42 | 9.01 | 9.21 | 9.21 | -1.13% | 90,799 |
| Sep 2, 2026 | 9.17 | 9.42 | 9.06 | 9.32 | 9.32 | 1.58% | 55,601 |
| Sep 1, 2026 | 9.24 | 9.48 | 8.92 | 9.17 | 9.17 | -1.08% | 171,311 |
| Aug 31, 2026 | 9.20 | 9.37 | 9.00 | 9.27 | 9.27 | 1.20% | 215,273 |
| Aug 28, 2026 | 9.65 | 9.81 | 9.04 | 9.16 | 9.16 | -5.91% | 137,208 |
| Aug 27, 2026 | 9.38 | 10.01 | 9.38 | 9.74 | 9.74 | 3.45% | 155,572 |
| Aug 26, 2026 | 9.65 | 9.65 | 9.16 | 9.41 | 9.41 | -3.49% | 251,841 |
| Aug 25, 2026 | 9.80 | 9.87 | 9.39 | 9.75 | 9.75 | - | 220,140 |
| Aug 24, 2026 | 9.72 | 10.14 | 9.34 | 9.75 | 9.75 | - | 168,464 |
| Aug 21, 2026 | 9.62 | 10.10 | 9.36 | 9.75 | 9.75 | 2.63% | 294,448 |
| Aug 20, 2026 | 9.19 | 9.95 | 8.90 | 9.50 | 9.50 | 6.86% | 360,394 |
| Aug 19, 2026 | 8.71 | 9.26 | 8.53 | 8.89 | 8.89 | 3.67% | 140,236 |
| Aug 18, 2026 | 8.86 | 9.10 | 8.46 | 8.58 | 8.58 | -3.00% | 135,697 |
| Aug 17, 2026 | 8.89 | 9.00 | 8.20 | 8.84 | 8.84 | - | 367,453 |
| Aug 14, 2026 | 9.34 | 9.50 | 8.20 | 8.84 | 8.84 | 2.43% | 247,591 |
| Aug 13, 2026 | 8.95 | 9.16 | 8.49 | 8.63 | 8.63 | -3.58% | 202,115 |
| Aug 12, 2026 | 8.95 | 9.25 | 8.95 | 8.95 | 8.95 | 0.73% | 76,001 |
| Aug 11, 2026 | 8.95 | 9.10 | 8.67 | 8.89 | 8.89 | -0.06% | 56,741 |
| Aug 10, 2026 | 9.21 | 9.22 | 8.76 | 8.89 | 8.89 | -2.63% | 39,249 |
| Aug 7, 2026 | 8.80 | 9.21 | 8.60 | 9.13 | 9.13 | 5.31% | 31,057 |
| Aug 6, 2026 | 8.55 | 8.70 | 8.35 | 8.67 | 8.67 | 1.76% | 15,084 |
| Aug 5, 2026 | 9.02 | 9.22 | 8.32 | 8.52 | 8.52 | -4.70% | 92,431 |
| Aug 4, 2026 | 8.38 | 9.14 | 8.10 | 8.94 | 8.94 | 6.05% | 49,020 |
| Aug 3, 2026 | 8.21 | 8.88 | 7.60 | 8.43 | 8.43 | 1.81% | 70,718 |
| Jul 31, 2026 | 8.56 | 8.72 | 7.54 | 8.28 | 8.28 | -5.15% | 154,542 |
| Jul 30, 2026 | 8.82 | 9.08 | 8.01 | 8.73 | 8.73 | -0.80% | 164,342 |
| Jul 29, 2026 | 8.56 | 9.09 | 8.04 | 8.80 | 8.80 | 4.64% | 27,580 |
| Jul 28, 2026 | 8.71 | 9.27 | 8.33 | 8.41 | 8.41 | -1.98% | 111,480 |
| Jul 27, 2026 | 8.14 | 8.64 | 8.01 | 8.58 | 8.58 | 8.61% | 108,172 |
| Jul 24, 2026 | 8.23 | 8.48 | 7.60 | 7.90 | 7.90 | -4.01% | 29,374 |
| Jul 23, 2026 | 8.00 | 8.48 | 7.50 | 8.23 | 8.23 | 4.18% | 359,656 |
| Jul 22, 2026 | 7.97 | 8.65 | 7.68 | 7.90 | 7.90 | 0.13% | 233,939 |
| Jul 21, 2026 | 8.43 | 8.44 | 7.83 | 7.89 | 7.89 | -5.40% | 112,707 |
| Jul 20, 2026 | 8.50 | 8.62 | 8.30 | 8.34 | 8.34 | -1.88% | 132,956 |
| Jul 17, 2026 | 8.35 | 8.57 | 8.33 | 8.50 | 8.50 | 1.80% | 40,992 |
| Jul 16, 2026 | 8.30 | 8.50 | 8.30 | 8.35 | 8.35 | 0.60% | 38,989 |
| Jul 15, 2026 | 8.31 | 8.50 | 8.01 | 8.30 | 8.30 | 3.11% | 50,869 |
| Jul 14, 2026 | 8.47 | 8.60 | 7.45 | 8.05 | 8.05 | -3.94% | 133,456 |
| Jul 13, 2026 | 8.40 | 8.51 | 8.38 | 8.38 | 8.38 | -0.36% | 156,855 |
| Jul 10, 2026 | 8.73 | 8.80 | 8.40 | 8.41 | 8.41 | -1.29% | 56,692 |