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2.05
4.59%
0.09
After Hours:
2.06
0.01
+0.49%
Alector Inc Stock (ALEC) Price History
The historical daily chart and data for Alector Inc stock (ALEC), show that the latest closing stock price as of August 17, 2026, is $2.05.
- Alector Inc all-time high stock price is $43.32, occurred on July 02, 2021.
- The lowest Alector Inc stock price recorded was $0.87 on April 09, 2025. Since then, Alector Inc's stock price has risen over 135.63% to $2.05 now.
- The 52-week high stock price for ALEC is $3.3999, representing a 65.85% increase from the current share price, occurred on October 16, 2025.
- The 52-week low stock price for ALEC is $1.09, indicating a -46.83% decrease from the current share price, occurred on December 03, 2025.
- The closing price of Alector Inc (ALEC) stock in the beginning of 2025 was $20.78. The stock closed the year at $9.23, a loss of over -55.58% for the year.
The table below shows more information about ALEC historical price data:
Daily
Weekly
Monthly
7D
30D
60D
YTD
1Y
| Date | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Aug 17, 2026 | $2.09 | $1.90 | $0.19 | 913,801.0 | +4.59% |
| Aug 14, 2026 | $2.07 | $1.95 | $0.125 | 596,372.0 | -3.92% |
| Aug 13, 2026 | $2.15 | $1.98 | $0.17 | 1,294,752.0 | -5.12% |
| Aug 12, 2026 | $2.17 | $2.02 | $0.155 | 784,205.0 | +2.87% |
| Aug 11, 2026 | $2.13 | $1.65 | $0.479 | 5,528,507.0 | +23.67% |
| Aug 10, 2026 | $1.78 | $1.60 | $0.18 | 804,112.0 | -5.06% |
| Aug 07, 2026 | $2.00 | $1.74 | $0.26 | 1,246,475.0 | -2.73% |
| Aug 06, 2026 | $2.04 | $1.48 | $0.553 | 5,697,077.0 | +22.82% |
| Aug 05, 2026 | $1.57 | $1.46 | $0.11 | 392,305.0 | -3.25% |
| Aug 04, 2026 | $1.61 | $1.51 | $0.10 | 407,155.0 | +1.99% |
| Aug 03, 2026 | $1.54 | $1.46 | $0.085 | 359,922.0 | +0.00% |
| Jul 31, 2026 | $1.62 | $1.49 | $0.135 | 548,293.0 | -6.79% |
| Jul 30, 2026 | $1.67 | $1.51 | $0.16 | 453,152.0 | +6.58% |
| Jul 29, 2026 | $1.56 | $1.49 | $0.075 | 307,858.0 | +0.00% |
| Jul 28, 2026 | $1.54 | $1.48 | $0.065 | 342,672.0 | +0.66% |
| Jul 27, 2026 | $1.57 | $1.47 | $0.105 | 229,001.0 | +2.03% |
| Jul 24, 2026 | $1.51 | $1.46 | $0.0502 | 325,293.0 | -0.67% |
| Jul 23, 2026 | $1.54 | $1.47 | $0.075 | 607,101.0 | -2.61% |
| Jul 22, 2026 | $1.53 | $1.49 | $0.045 | 333,339.0 | -0.65% |
| Jul 21, 2026 | $1.55 | $1.42 | $0.13 | 499,617.0 | +7.69% |
| Jul 20, 2026 | $1.50 | $1.42 | $0.085 | 463,909.0 | -4.67% |
Alector Inc Stock (ALEC) Year by Year Price History
In this detailed analysis, we present a comprehensive overview of the price movements of Alector Inc stock over the years. By exploring the year-by-year data, investors can gain valuable insights into the historical performance and volatility of ALEC shares. From significant milestones and fluctuations to notable trends, this in-depth examination of Alector Inc stock price history provides a foundation for understanding how the company's stock has evolved over time.
Alector Inc Stock (ALEC) Price History 2026
| Month | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Aug, 2026 | $2.17 | $1.46 | $0.72 | 18,938,484.0 | +35.76% |
| Jul, 2026 | $2.15 | $1.37 | $0.775 | 10,931,782.0 | -24.88% |
| Jun, 2026 | $2.16 | $1.41 | $0.75 | 20,728,875.0 | -6.94% |
| May, 2026 | $2.70 | $2.00 | $0.695 | 12,865,557.0 | -8.86% |
| Apr, 2026 | $2.74 | $2.12 | $0.6139 | 13,781,746.0 | +10.23% |
| Mar, 2026 | $2.65 | $1.89 | $0.76 | 16,907,441.0 | -11.52% |
| Feb, 2026 | $2.57 | $1.75 | $0.825 | 16,846,052.0 | +28.57% |
| Jan, 2026 | $2.00 | $1.50 | $0.50 | 20,081,185.0 | +21.15% |
Alector Inc Stock (ALEC) Price History 2025
| Month | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Dec, 2025 | $1.54 | $1.09 | $0.45 | 32,799,043.0 | +14.29% |
| Nov, 2025 | $1.50 | $1.16 | $0.34 | 32,498,286.0 | -9.52% |
| Oct, 2025 | $3.40 | $1.33 | $2.07 | 105,205,553.0 | -50.34% |
| Sep, 2025 | $3.28 | $2.30 | $0.98 | 27,465,162.0 | +25.96% |
| Aug, 2025 | $2.56 | $1.42 | $1.14 | 32,697,997.0 | +57.72% |
| Jul, 2025 | $2.00 | $1.34 | $0.6593 | 9,616,957.0 | +6.43% |
| Jun, 2025 | $1.69 | $1.28 | $0.4099 | 12,405,320.0 | +5.26% |
| May, 2025 | $1.46 | $0.9728 | $0.4872 | 25,945,957.0 | +10.83% |
| Apr, 2025 | $1.25 | $0.87 | $0.38 | 17,715,287.0 | -2.44% |
| Mar, 2025 | $1.65 | $1.20 | $0.45 | 12,968,054.0 | -25.00% |
| Feb, 2025 | $2.09 | $1.55 | $0.54 | 11,879,988.0 | -1.20% |
| Jan, 2025 | $2.15 | $1.60 | $0.555 | 13,507,341.0 | -12.17% |
Alector Inc Stock (ALEC) Price History 2024
| Month | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Dec, 2024 | $2.63 | $1.68 | $0.95 | 34,902,144.0 | -33.59% |
| Nov, 2024 | $6.14 | $2.37 | $3.77 | 28,411,349.0 | -47.36% |
| Oct, 2024 | $5.35 | $4.20 | $1.15 | 10,398,092.0 | +5.58% |
| Sep, 2024 | $6.37 | $4.47 | $1.90 | 11,522,025.0 | -11.74% |
| Aug, 2024 | $6.10 | $4.81 | $1.29 | 8,738,968.0 | -12.00% |
| Jul, 2024 | $6.78 | $4.22 | $2.56 | 10,783,736.0 | +32.16% |
| Jun, 2024 | $5.14 | $4.11 | $1.03 | 16,077,995.0 | -7.72% |
| May, 2024 | $5.69 | $4.86 | $0.83 | 10,734,444.0 | -3.15% |
| Apr, 2024 | $6.25 | $4.80 | $1.45 | 11,746,537.0 | -15.61% |
| Mar, 2024 | $7.57 | $5.82 | $1.75 | 12,995,972.0 | -13.63% |
| Feb, 2024 | $7.58 | $5.58 | $2.00 | 13,460,740.0 | +16.95% |
| Jan, 2024 | $8.90 | $5.49 | $3.41 | 15,043,120.0 | -25.31% |
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