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ALNY — Alnylam Pharmaceuticals, Inc.
NasdaqAlnylam Pharmaceuticals, Inc.
$231.04
-15.70(-6.36%)
- O
- 248.21
- H
- 251.71
- L
- 230.06
- V
- 2.01M
⏱️ End-of-day dataAs of Oct 1, 2026
Latest Close$231.04
Period Return-0.73%
Period High$495.55
Period Low$197.81
Avg Daily Volume1.29M
Total Trading Days365
ALNY — Historical OHLCV Price & Volume Table
Apr 21, 2025 — Oct 1, 2026| Date▼ | Open⇅ | High⇅ | Low⇅ | Close⇅ | Change ($)⇅ | Change (%)⇅ | Volume⇅ | VWAP⇅ | Day Range (L - H) |
|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2026 | $248.21 | $251.71 | $230.06 | $231.04 | $-15.70 | -6.36% | 2,009,900 | $235.84 | $230.06 $251.71 |
| Sep 30, 2026 | $253.68 | $254.44 | $246.66 | $246.74 | $-7.33 | -2.89% | 1,044,415 | $249.12 | $246.66 $254.44 |
| Sep 29, 2026 | $254.86 | $257.27 | $251.02 | $254.07 | $-1.29 | -0.51% | 787,081 | $253.49 | $251.02 $257.27 |
| Sep 28, 2026 | $256.28 | $256.60 | $248.12 | $255.36 | $-0.60 | -0.23% | 1,147,873 | $253.84 | $248.12 $256.60 |
| Sep 25, 2026 | $248.39 | $256.66 | $247.51 | $255.96 | +$6.37 | +2.55% | 1,084,529 | $253.70 | $247.51 $256.66 |
| Sep 24, 2026 | $246.51 | $251.81 | $245.52 | $249.59 | +$3.08 | +1.25% | 933,738 | $249.00 | $245.52 $251.81 |
| Sep 23, 2026 | $249.99 | $253.81 | $245.34 | $246.51 | $-5.14 | -2.04% | 1,481,714 | $247.43 | $245.34 $253.81 |
| Sep 22, 2026 | $246.86 | $255.51 | $244.13 | $251.65 | +$7.33 | +3.00% | 1,131,953 | $251.78 | $244.13 $255.51 |
| Sep 21, 2026 | $240.37 | $247.10 | $237.97 | $244.32 | +$4.76 | +1.99% | 1,152,874 | $244.63 | $237.97 $247.10 |
| Sep 18, 2026 | $246.41 | $246.49 | $238.51 | $239.56 | $-5.95 | -2.42% | 2,756,179 | $240.85 | $238.51 $246.49 |
| Sep 17, 2026 | $242.60 | $245.63 | $239.50 | $245.51 | +$6.15 | +2.57% | 1,006,574 | $243.03 | $239.50 $245.63 |
| Sep 16, 2026 | $239.50 | $242.24 | $236.00 | $239.36 | +$1.09 | +0.46% | 853,905 | $239.66 | $236.00 $242.24 |
| Sep 15, 2026 | $246.99 | $247.43 | $237.44 | $238.27 | $-11.72 | -4.69% | 1,865,121 | $240.50 | $237.44 $247.43 |
| Sep 14, 2026 | $250.17 | $252.79 | $244.18 | $249.99 | +$1.31 | +0.53% | 911,556 | $248.91 | $244.18 $252.79 |
| Sep 11, 2026 | $248.05 | $254.08 | $246.01 | $248.68 | +$1.17 | +0.47% | 1,177,424 | $250.52 | $246.01 $254.08 |
| Sep 10, 2026 | $256.68 | $256.68 | $246.42 | $247.51 | $-10.49 | -4.07% | 1,626,332 | $248.80 | $246.42 $256.68 |
| Sep 9, 2026 | $257.07 | $261.98 | $253.28 | $258.00 | $-2.10 | -0.81% | 1,426,415 | $256.87 | $253.28 $261.98 |
| Sep 8, 2026 | $259.00 | $272.08 | $254.01 | $260.10 | $-6.01 | -2.26% | 2,008,634 | $261.81 | $254.01 $272.08 |
| Sep 4, 2026 | $258.58 | $266.85 | $258.02 | $266.11 | +$1.61 | +0.61% | 1,431,222 | $264.98 | $258.02 $266.85 |
| Sep 3, 2026 | $265.94 | $271.19 | $261.54 | $264.50 | $-2.90 | -1.08% | 1,710,079 | $264.40 | $261.54 $271.19 |
| Sep 2, 2026 | $246.48 | $269.94 | $246.48 | $267.40 | +$21.29 | +8.65% | 3,266,415 | $263.53 | $246.48 $269.94 |
| Sep 1, 2026 | $242.40 | $248.13 | $238.00 | $246.11 | +$5.42 | +2.25% | 1,941,272 | $243.38 | $238.00 $248.13 |
| Aug 31, 2026 | $235.94 | $243.02 | $233.33 | $240.69 | +$3.59 | +1.51% | 1,637,326 | $240.45 | $233.33 $243.02 |
| Aug 28, 2026 | $224.47 | $239.08 | $223.61 | $237.10 | +$0.54 | +0.23% | 1,847,140 | $234.82 | $223.61 $239.08 |
| Aug 27, 2026 | $236.56 | $238.00 | $230.46 | $236.56 | $-2.44 | -1.02% | 1,293,543 | $234.91 | $230.46 $238.00 |
| Aug 26, 2026 | $238.54 | $242.89 | $236.60 | $239.00 | $-1.08 | -0.45% | 1,116,266 | $239.90 | $236.60 $242.89 |
| Aug 25, 2026 | $236.56 | $240.67 | $235.41 | $240.08 | +$4.07 | +1.72% | 1,576,353 | $239.06 | $235.41 $240.67 |
| Aug 24, 2026 | $235.83 | $237.91 | $228.59 | $236.01 | $-0.21 | -0.09% | 2,137,241 | $234.24 | $228.59 $237.91 |
| Aug 21, 2026 | $228.88 | $238.97 | $228.34 | $236.22 | +$6.92 | +3.02% | 1,906,405 | $235.67 | $228.34 $238.97 |
| Aug 20, 2026 | $239.00 | $240.88 | $228.74 | $229.30 | $-13.31 | -5.49% | 1,685,936 | $232.93 | $228.74 $240.88 |