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Alector, Inc. (ALEC) Stock Price History

Historical prices from 2019 to 2026

Current Price

$2.44

-0.13 (-5.06%)

All-Time High

$43.32

Jul 2, 2021

-94.4% from ATH

All-Time Low

$0.87

Apr 9, 2025

Avg Volume (50D)

672K

Daily average

52-Week Range$0.97 — $3.40

LowCurrent: $2.44High

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ALEC Historical Performance

1 YearTotal Return

+139.2%

Price: +139.2%

3 YearsTotal Return

-69.2%

CAGR: -32.5%

Price: -69.2%

5 YearsTotal Return

-85.1%

CAGR: -31.6%

Price: -85.1%

YTD

+59.5%

Short-Term Returns

1D-5.1%

1W+3.0%

1M-1.2%

3M+24.5%

6M+90.6%

ALEC Stock Price Trajectory (2019–2026)

As of May 8, 2026, Alector, Inc. (ALEC) trades at $2.44, representing a +139.2% return over the past year. The stock has delivered a -85.1% total return over five years (-31.6% CAGR), reflecting challenging market conditions.

The stock reached its all-time high of $43.32 on July 2, 2021. From this peak, ALEC has corrected -94.4%, currently trading 17% above its 200-day moving average, indicating continued institutional support.

When compared to Healthcare sector peers PRTA (+44.4% 1Y), ACAD (+52.4% 1Y), and SAVA (+25.3% 1Y), ALEC has outperformed the peer group average. Compare ALEC vs PRTA →

ALEC Historical Price Data (2025–2026)

Showing 30 of 1,823 records

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Date	Open	High	Low	Close	Volume	Change %
2026-05-07	2.51	2.56	2.41	2.44	268K	-5.06%
2026-05-06	2.60	2.69	2.57	2.57	418K	0.00%
2026-05-05	2.55	2.62	2.53	2.57	351K	+2.39%
2026-05-04	2.35	2.54	2.35	2.51	447K	+6.36%
2026-05-01	2.33	2.38	2.29	2.36	379K	-0.42%
2026-04-30	2.29	2.44	2.15	2.37	634K	+3.04%
2026-04-29	2.36	2.38	2.27	2.30	285K	-3.77%
2026-04-28	2.35	2.42	2.35	2.39	296K	+1.70%
2026-04-27	2.41	2.46	2.33	2.35	593K	-2.49%
2026-04-24	2.42	2.52	2.36	2.41	319K	-0.82%
2026-04-23	2.50	2.50	2.38	2.43	279K	-0.82%
2026-04-22	2.48	2.70	2.37	2.45	1.42M	-0.41%
2026-04-21	2.65	2.67	2.45	2.46	274K	-9.06%
2026-04-20	2.56	2.74	2.56	2.71	319K	+5.25%
2026-04-17	2.62	2.62	2.49	2.57	333K	+0.78%
2026-04-16	2.52	2.67	2.48	2.55	560K	-1.16%
2026-04-15	2.54	2.61	2.50	2.58	537K	+7.05%
2026-04-14	2.35	2.44	2.34	2.41	393K	+3.43%
2026-04-13	2.41	2.44	2.27	2.33	362K	-4.90%
2026-04-10	2.40	2.53	2.40	2.45	572K	+2.08%
2026-04-09	2.38	2.42	2.34	2.40	267K	-0.83%
2026-04-08	2.58	2.60	2.38	2.42	337K	-2.02%
2026-04-07	2.34	2.49	2.30	2.47	551K	+5.33%
2026-04-06	2.42	2.49	2.33	2.35	582K	-2.70%
2026-04-02	2.49	2.52	2.13	2.41	1.32M	-4.74%
2026-04-01	2.18	2.63	2.16	2.53	3.26M	+17.67%
2026-03-31	2.03	2.19	2.03	2.15	348K	+6.44%
2026-03-30	2.02	2.05	1.95	2.02	376K	+1.00%
2026-03-27	2.06	2.09	1.98	2.00	459K	-5.66%
2026-03-26	2.12	2.17	2.08	2.12	374K	-2.30%

ALEC — Frequently Asked Questions

Quick answers to the most common questions about buying ALEC stock.

How has ALEC stock performed recently?

ALEC returned +139.2% over the past year, beating its 5-year annualized CAGR of -31.6%. The stock trades above its 200-day moving average, confirming the uptrend.

What is ALEC's all-time high price?

Alector, Inc. reached $43.32 on 2021-07-02. The 52-week high is $3.40. Current 1-year return of +139.2% places the stock closer to historical peaks.

Where can I download ALEC historical price data?

This page provides ALEC daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2019-2026, downloadable in CSV format.

ALEC Stock Price Trajectory (2019–2026)

When compared to Healthcare sector peers PRTA (+44.4% 1Y), ACAD (+52.4% 1Y), and SAVA (+25.3% 1Y), ALEC has outperformed the peer group average. Compare ALEC vs PRTA →

Date

Open

High

Low

Volume

Change %

2026-05-07

2.51

2.56

2.41

2.44

268K

-5.06%

2026-05-06

2.60

2.69

2.57

418K

0.00%

2026-05-05

2.55

2.62

2.53

2.57

351K

+2.39%

2026-05-04

2.35

2.54

2.35

2.51

447K

+6.36%

2026-05-01

2.33

2.38

2.29

2.36

379K

-0.42%

2026-04-30

2.29

2.44

2.15

2.37

634K

+3.04%

2026-04-29

2.36

2.38

2.27

2.30

285K

-3.77%

2026-04-28

2.35

2.42

2.35

2.39

296K

+1.70%

2026-04-27

2.41

2.46

2.33

2.35

593K

-2.49%

2026-04-24

2.42

2.52

2.36

2.41

319K

-0.82%

2026-04-23

2.50

2.38

2.43

279K

-0.82%

2026-04-22

2.48

2.70

2.37

2.45

1.42M

-0.41%

2026-04-21

2.65

2.67

2.45

2.46

274K

-9.06%

2026-04-20

2.56

2.74

2.56

2.71

319K

+5.25%

2026-04-17

2.62

2.49

2.57

333K

+0.78%

2026-04-16

2.52

2.67

2.48

2.55

560K

-1.16%

2026-04-15

2.54

2.61

2.50

2.58

537K

+7.05%

2026-04-14

2.35

2.44

2.34

2.41

393K

+3.43%

2026-04-13

2.41

2.44

2.27

2.33

362K

-4.90%

2026-04-10

2.40

2.53

2.40

2.45

572K

+2.08%

2026-04-09

2.38

2.42

2.34

2.40

267K

-0.83%

2026-04-08

2.58

2.60

2.38

2.42

337K

-2.02%

2026-04-07

2.34

2.49

2.30

2.47

551K

+5.33%

2026-04-06

2.42

2.49

2.33

2.35

582K

-2.70%

2026-04-02

2.49

2.52

2.13

2.41

1.32M

-4.74%

2026-04-01

2.18

2.63

2.16

2.53

3.26M

+17.67%

2026-03-31

2.03

2.19

2.03

2.15

348K

+6.44%

2026-03-30

2.02

2.05

1.95

2.02

376K

+1.00%

2026-03-27

2.06

2.09

1.98

2.00

459K

-5.66%

2026-03-26

2.12

2.17

2.08

2.12

374K

-2.30%

Alector, Inc. (ALEC) Stock Price History

ALEC Historical Performance

Short-Term Returns

Download Historical Data

ALEC Stock Price Trajectory (2019–2026)

ALEC Historical Price Data (2025–2026)

See ALEC's True Return

Is ALEC Undervalued?

Compare ALEC vs DBVT

Alector, Inc. (ALEC) Stock Price History

ALEC Historical Performance

Short-Term Returns

Download Historical Data

ALEC Stock Price Trajectory (2019–2026)

ALEC Historical Price Data (2025–2026)

See ALEC's True Return

Is ALEC Undervalued?

Compare ALEC vs DBVT