Get the Stockscreener App
1.95
1.56%
0.03
After Hours:
1.95
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 September 25, 2026, is $1.95.
- 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 124.14% to $1.95 now.
- The 52-week high stock price for ALEC is $3.3999, representing a 74.35% increase from the current share price, occurred on October 16, 2025.
- The 52-week low stock price for ALEC is $1.09, indicating a -44.10% 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 |
|---|---|---|---|---|---|
| Sep 25, 2026 | $2.05 | $1.90 | $0.15 | 1,024,457.0 | +1.56% |
| Sep 24, 2026 | $2.05 | $1.91 | $0.145 | 849,250.0 | -4.95% |
| Sep 23, 2026 | $2.02 | $1.95 | $0.07 | 1,181,097.0 | +0.50% |
| Sep 22, 2026 | $2.04 | $1.93 | $0.105 | 1,464,172.0 | +4.15% |
| Sep 21, 2026 | $1.95 | $1.85 | $0.095 | 1,100,359.0 | +1.05% |
| Sep 18, 2026 | $1.91 | $1.79 | $0.12 | 2,117,496.0 | +3.24% |
| Sep 17, 2026 | $1.97 | $1.83 | $0.14 | 931,233.0 | -3.90% |
| Sep 16, 2026 | $2.06 | $1.91 | $0.15 | 622,260.0 | -5.41% |
| Sep 15, 2026 | $2.21 | $1.99 | $0.224 | 715,903.0 | -7.92% |
| Sep 14, 2026 | $2.23 | $2.10 | $0.13 | 2,467,753.0 | +3.27% |
| Sep 11, 2026 | $2.22 | $2.02 | $0.20 | 4,699,039.0 | +0.00% |
| Sep 10, 2026 | $2.24 | $2.00 | $0.24 | 3,780,786.0 | -5.73% |
| Sep 09, 2026 | $2.47 | $2.25 | $0.22 | 505,604.0 | -8.10% |
| Sep 08, 2026 | $2.61 | $2.33 | $0.28 | 915,030.0 | +0.41% |
| Sep 04, 2026 | $2.58 | $2.44 | $0.135 | 496,598.0 | -1.99% |
| Sep 03, 2026 | $2.75 | $2.44 | $0.315 | 2,617,687.0 | -7.72% |
| Sep 02, 2026 | $2.76 | $2.40 | $0.36 | 1,667,349.0 | +13.33% |
| Sep 01, 2026 | $2.49 | $2.22 | $0.2657 | 479,839.0 | +6.19% |
| Aug 31, 2026 | $2.35 | $2.23 | $0.12 | 610,059.0 | -3.42% |
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 |
|---|---|---|---|---|---|
| Sep, 2026 | $2.76 | $1.79 | $0.97 | 28,660,369.0 | -13.72% |
| Aug, 2026 | $2.52 | $1.46 | $1.07 | 32,092,705.0 | +49.67% |
| 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% |
3.06%
2.55%
Open in Yahoo
|
Open in Google
|
Open in Finviz
|
Open in MarketWatch
|
Open in EDGAR
|
Open in Reuters
Cap:
|
Volume (24h):