Alpha Cognition Inc. (ACOG)
Showing Closing Date Range from Mar, 19 to Sep, 15, 2026 compared to Sep, 19, 2025 to Mar, 18, 2026.
Compare Last 6 Months with Previous Period
Current Period Close
$8.80
Mar 19, 2026 - Sep 15, 2026
Previous Period Close
$5.75
Sep 19, 2025 - Mar 18, 2026
Net Comparison Delta
+$3.05 (+53.04%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(124 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Sep 15, 2026 | $8.80 | Mar 18, 2026 | $5.75 | +53.04% |
| Sep 14, 2026 | $8.71 | Mar 17, 2026 | $5.76 | +51.22% |
| Sep 11, 2026 | $8.90 | Mar 16, 2026 | $5.79 | +53.71% |
| Sep 10, 2026 | $8.90 | Mar 13, 2026 | $5.75 | +54.78% |
| Sep 09, 2026 | $9.13 | Mar 12, 2026 | $5.85 | +56.07% |
| Sep 08, 2026 | $9.52 | Mar 11, 2026 | $5.90 | +61.36% |
| Sep 04, 2026 | $9.52 | Mar 10, 2026 | $5.89 | +61.63% |
| Sep 03, 2026 | $9.21 | Mar 09, 2026 | $5.87 | +56.90% |
| Sep 02, 2026 | $9.32 | Mar 06, 2026 | $5.79 | +60.88% |
| Sep 01, 2026 | $9.17 | Mar 05, 2026 | $5.74 | +59.76% |
| Aug 31, 2026 | $9.27 | Mar 04, 2026 | $5.86 | +58.19% |
| Aug 28, 2026 | $9.16 | Mar 03, 2026 | $5.75 | +59.30% |
| Aug 27, 2026 | $9.74 | Mar 02, 2026 | $5.80 | +67.84% |
| Aug 26, 2026 | $9.41 | Feb 27, 2026 | $6.00 | +56.83% |
| Aug 25, 2026 | $9.75 | Feb 26, 2026 | $6.00 | +62.50% |
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