
Alkermes plc (ALKS)
Showing Closing Date Range from Oct 9 to Oct 16, 2026 compared to Oct 1 to Oct 8, 2026.
Compare Last 7 Days with Previous Period
Investor Relations:alkermes.com
Current Period Close
$41.22
Oct 09, 2026 - Oct 16, 2026
Previous Period Close
$40.11
Oct 01, 2026 - Oct 08, 2026
Net Comparison Delta
+$1.11 (+2.77%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(6 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Oct 16, 2026 | $41.22 | Oct 08, 2026 | $40.11 | +2.77% |
| Oct 15, 2026 | $40.10 | Oct 07, 2026 | $41.45 | -3.25% |
| Oct 14, 2026 | $39.08 | Oct 06, 2026 | $41.65 | -6.17% |
| Oct 13, 2026 | $39.73 | Oct 05, 2026 | $42.76 | -7.09% |
| Oct 12, 2026 | $40.26 | Oct 02, 2026 | $41.75 | -3.57% |
| Oct 09, 2026 | $40.61 | Oct 01, 2026 | $40.93 | -0.77% |