NASDAQ : ALPN
$0.01 (0.02%)
| Date | Opening Price | Closing Price | %Chg | Volume |
|---|---|---|---|---|
| 2024-05-20 | $64.97 | $64.97 | 0.00% | - |
| 2024-05-17 | $64.98 | $64.97 | -0.02% | 4.28M |
| 2024-05-16 | $64.97 | $64.96 | -0.02% | 732.77K |
| 2024-05-15 | $64.95 | $64.97 | 0.03% | 1.26M |
| 2024-05-14 | $64.94 | $64.95 | 0.02% | 1.05M |
| 2024-05-13 | $64.94 | $64.95 | 0.02% | 2.97M |
| 2024-05-10 | $64.94 | $64.94 | 0.00% | 3.05M |
| 2024-05-09 | $64.67 | $64.82 | 0.23% | 1.14M |
| 2024-05-08 | $64.63 | $64.70 | 0.11% | 748.95K |
| 2024-05-07 | $64.60 | $64.64 | 0.06% | 1.33M |
| 2024-05-06 | $64.63 | $64.60 | -0.05% | 1.37M |
| 2024-05-03 | $64.65 | $64.60 | -0.08% | 1.92M |
| 2024-05-02 | $64.62 | $64.60 | -0.03% | 2.82M |
| 2024-05-01 | $64.63 | $64.60 | -0.05% | 2.76M |
| 2024-04-30 | $64.63 | $64.59 | -0.06% | 1.57M |
| 2024-04-29 | $64.61 | $64.70 | 0.14% | 1.63M |
| 2024-04-26 | $64.58 | $64.56 | -0.03% | 1.33M |
| 2024-04-25 | $64.57 | $64.62 | 0.08% | 1.77M |
| 2024-04-24 | $64.57 | $64.57 | 0.00% | 1.18M |
| 2024-04-23 | $64.58 | $64.55 | -0.05% | 3.1M |
| 2024-04-22 | $64.52 | $64.58 | 0.09% | 1.79M |
| 2024-04-19 | $64.43 | $64.55 | 0.19% | 3.98M |
| 2024-04-18 | $64.42 | $64.43 | 0.02% | 2.49M |
| 2024-04-17 | $64.42 | $64.46 | 0.06% | 2.63M |
| 2024-04-16 | $64.40 | $64.50 | 0.16% | 2.97M |
| 2024-04-15 | $64.39 | $64.42 | 0.05% | 3.55M |
| 2024-04-12 | $64.36 | $64.37 | 0.02% | 4.1M |
| 2024-04-11 | $64.18 | $64.40 | 0.34% | 34.59M |
| 2024-04-10 | $37.89 | $47.04 | 24.15% | 12.23M |
| 2024-04-09 | $39.16 | $38.94 | -0.56% | 1.17M |
| 2024-04-08 | $34.83 | $38.53 | 10.62% | 2.59M |
| 2024-04-05 | $35.14 | $34.91 | -0.65% | 1.1M |
| 2024-04-04 | $38.35 | $35.33 | -7.87% | 1.58M |
| 2024-04-03 | $39.00 | $38.11 | -2.28% | 1.65M |
| 2024-04-02 | $39.72 | $39.21 | -1.28% | 1.01M |
| 2024-04-01 | $39.31 | $40.22 | 2.31% | 1.36M |
| 2024-03-28 | $38.65 | $39.64 | 2.56% | 1.46M |
| 2024-03-27 | $37.70 | $38.65 | 2.52% | 787.12K |
| 2024-03-26 | $37.86 | $37.45 | -1.08% | 776.94K |
| 2024-03-25 | $39.30 | $37.55 | -4.45% | 642.21K |
| 2024-03-22 | $41.32 | $39.34 | -4.79% | 853.62K |
| 2024-03-21 | $40.51 | $41.60 | 2.69% | 1.21M |
| 2024-03-20 | $40.26 | $40.23 | -0.07% | 1.26M |
| 2024-03-19 | $37.40 | $39.95 | 6.82% | 3.08M |
| 2024-03-18 | $36.46 | $35.47 | -2.72% | 978.23K |
| 2024-03-15 | $35.92 | $36.38 | 1.28% | 4.02M |
| 2024-03-14 | $36.21 | $35.89 | -0.88% | 1.42M |
| 2024-03-13 | $36.44 | $36.61 | 0.47% | 868.72K |
| 2024-03-12 | $36.34 | $36.45 | 0.30% | 1.02M |
| 2024-03-11 | $35.72 | $35.38 | -0.95% | 1.19M |
| 2024-03-08 | $37.52 | $35.93 | -4.24% | 1.33M |
| 2024-03-07 | $38.91 | $37.00 | -4.91% | 1.04M |
| 2024-03-06 | $38.30 | $38.55 | 0.65% | 719.71K |
| 2024-03-05 | $36.40 | $37.47 | 2.94% | 1.75M |
| 2024-03-04 | $36.60 | $36.66 | 0.16% | 1.25M |
| 2024-03-01 | $35.45 | $36.00 | 1.55% | 995.44K |
| 2024-02-29 | $35.63 | $35.22 | -1.15% | 749.27K |
| 2024-02-28 | $35.67 | $34.92 | -2.10% | 605.62K |
| 2024-02-27 | $35.01 | $35.96 | 2.71% | 1.19M |
| 2024-02-26 | $33.92 | $34.75 | 2.45% | 786.43K |
| 2024-02-23 | $33.19 | $33.92 | 2.20% | 785.69K |
| 2024-02-22 | $30.89 | $33.11 | 7.19% | 1.08M |
| 2024-02-21 | $30.38 | $30.39 | 0.03% | 529.44K |
| 2024-02-20 | $31.14 | $30.51 | -2.02% | 1.4M |
| 2024-02-16 | $29.74 | $31.26 | 5.11% | 1.48M |
| 2024-02-15 | $30.25 | $29.88 | -1.22% | 641.49K |
| 2024-02-14 | $29.33 | $29.13 | -0.68% | 862.56K |
| 2024-02-13 | $28.90 | $28.77 | -0.45% | 966.37K |
| 2024-02-12 | $29.25 | $30.38 | 3.86% | 1.92M |
| 2024-02-09 | $28.70 | $29.04 | 1.18% | 1.81M |
| 2024-02-08 | $27.17 | $28.41 | 4.56% | 1.64M |
| 2024-02-07 | $26.62 | $27.10 | 1.80% | 911.98K |
| 2024-02-06 | $27.32 | $26.52 | -2.93% | 756.33K |
| 2024-02-05 | $27.52 | $27.45 | -0.25% | 703.75K |
| 2024-02-02 | $27.96 | $27.69 | -0.97% | 584.74K |
| 2024-02-01 | $26.84 | $27.98 | 4.25% | 1.38M |
| 2024-01-31 | $25.67 | $26.61 | 3.66% | 1.41M |
| 2024-01-30 | $25.73 | $25.73 | 0.00% | 1.78M |
| 2024-01-29 | $25.12 | $26.10 | 3.90% | 2.28M |
| 2024-01-26 | $22.44 | $25.12 | 11.94% | 4.4M |
| 2024-01-25 | $18.86 | $21.74 | 15.27% | 2.94M |
| 2024-01-24 | $19.78 | $18.56 | -6.17% | 430.6K |
| 2024-01-23 | $20.00 | $19.48 | -2.60% | 365.11K |
| 2024-01-22 | $20.02 | $19.86 | -0.80% | 411.81K |
| 2024-01-19 | $19.52 | $19.84 | 1.64% | 483.84K |
| 2024-01-18 | $20.54 | $19.35 | -5.79% | 350.72K |
| 2024-01-17 | $20.24 | $20.33 | 0.44% | 556.64K |
| 2024-01-16 | $20.34 | $20.63 | 1.43% | 953.78K |
| 2024-01-12 | $19.89 | $20.45 | 2.82% | 866.72K |
| 2024-01-11 | $19.91 | $19.66 | -1.26% | 986.29K |