1.44
                                            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 November 03, 2025, is $1.44.
                - 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 65.52% to $1.44 now.
 - The 52-week high stock price for ALEC is $6.14, representing a 326.39% increase from the current share price, occurred on November 11, 2024.
 - The 52-week low stock price for ALEC is $0.87, indicating a -39.58% decrease from the current share price, occurred on April 09, 2025.
 - The closing price of Alector Inc (ALEC) stock in the beginning of 2024 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 | 
|---|---|---|---|---|---|
| Nov 03, 2025 | $1.50 | $1.39 | $0.11 | 1,637,397.0 | -2.04% | 
| Oct 31, 2025 | $1.56 | $1.40 | $0.16 | 4,415,464.0 | -3.29% | 
| Oct 30, 2025 | $1.66 | $1.50 | $0.155 | 2,580,551.0 | -1.94% | 
| Oct 29, 2025 | $1.68 | $1.49 | $0.19 | 6,817,746.0 | +3.33% | 
| Oct 28, 2025 | $1.54 | $1.45 | $0.10 | 3,873,854.0 | +0.00% | 
| Oct 27, 2025 | $1.60 | $1.50 | $0.10 | 3,719,623.0 | +0.00% | 
| Oct 24, 2025 | $1.53 | $1.33 | $0.205 | 6,623,388.0 | +2.04% | 
| Oct 23, 2025 | $1.68 | $1.46 | $0.22 | 7,606,141.0 | -8.70% | 
| Oct 22, 2025 | $1.73 | $1.49 | $0.235 | 48,920,858.0 | -49.84% | 
| Oct 21, 2025 | $3.27 | $3.09 | $0.18 | 3,100,087.0 | -3.02% | 
| Oct 20, 2025 | $3.33 | $3.03 | $0.305 | 1,164,550.0 | +8.88% | 
| Oct 17, 2025 | $3.33 | $3.03 | $0.30 | 1,043,296.0 | -5.59% | 
| Oct 16, 2025 | $3.40 | $3.15 | $0.2449 | 1,757,359.0 | +0.94% | 
| Oct 15, 2025 | $3.23 | $2.88 | $0.35 | 1,714,741.0 | +6.69% | 
| Oct 14, 2025 | $3.07 | $2.87 | $0.1956 | 986,435.0 | -1.64% | 
| Oct 13, 2025 | $3.07 | $2.90 | $0.165 | 1,163,673.0 | +0.66% | 
| Oct 10, 2025 | $3.24 | $3.00 | $0.24 | 865,737.0 | -3.82% | 
| Oct 09, 2025 | $3.23 | $3.06 | $0.1649 | 1,111,052.0 | +1.95% | 
| Oct 08, 2025 | $3.25 | $3.06 | $0.19 | 1,018,440.0 | +0.33% | 
| Oct 07, 2025 | $3.21 | $3.04 | $0.17 | 1,054,428.0 | -3.46% | 
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 2025
| Month | High | Low | High - Low | Volume | % Change | 
|---|---|---|---|---|---|
| Nov, 2025 | $1.50 | $1.39 | $0.11 | 3,274,794.0 | -2.04% | 
| 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% | 
Alector Inc Stock (ALEC) Price History 2023
| Month | High | Low | High - Low | Volume | % Change | 
|---|---|---|---|---|---|
| Dec, 2023 | $8.76 | $5.13 | $3.63 | 14,120,232.0 | +47.23% | 
| Nov, 2023 | $6.07 | $3.66 | $2.41 | 14,406,979.0 | +4.23% | 
| Oct, 2023 | $6.76 | $4.88 | $1.88 | 10,423,801.0 | -19.75% | 
| Sep, 2023 | $7.01 | $4.98 | $2.03 | 18,720,332.0 | +18.90% | 
| Aug, 2023 | $9.06 | $5.44 | $3.62 | 12,340,025.0 | -20.55% | 
| Jul, 2023 | $7.21 | $5.89 | $1.32 | 9,434,986.0 | +14.14% | 
| Jun, 2023 | $7.84 | $5.65 | $2.19 | 12,313,898.0 | -19.22% | 
| May, 2023 | $8.04 | $6.37 | $1.67 | 9,924,571.0 | +12.73% | 
| Apr, 2023 | $6.91 | $5.91 | $1.00 | 9,753,488.0 | +6.62% | 
| Mar, 2023 | $8.82 | $5.76 | $3.06 | 14,148,262.0 | -27.52% | 
| Feb, 2023 | $9.86 | $8.49 | $1.37 | 9,173,844.0 | -3.17% | 
| Jan, 2023 | $9.48 | $7.95 | $1.53 | 11,995,753.0 | -4.44% | 
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