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ALEC
Alector, Inc. Common Stock
stock NASDAQ

At Close

May 22, 2026 3:59:55 PM EDT

2.22USD+0.452%(+0.01)328,072

0.00Bid 0.00Ask 0.00Spread

Pre-market

0.00USD-100.000%(-2.21)0

After-hours

May 22, 2026 4:00:30 PM EDT

2.21USD-0.450%(-0.01)91,904

OverviewOptionsHistoricalExchange VolumeShortsMore

ALEC Volume May 22, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	35.64	116,929	39.48
Nasdaq GSM	30.62	100,435	31.16
NYSE Arca	7.45	24,444	7.68
IEX	7.15	23,445	5.92
Cboe BZX	5.15	16,896	4.17
NYSE	4.39	14,399	1.96
Cboe EDGX	2.69	8,841	2.86
NYSE National	1.87	6,120	0.81
MEMX	1.78	5,842	1.46
Cboe BYX	1.14	3,744	1.46
MIAX Pearl	0.94	3,078	0.93
Cboe EDGA	0.60	1,958	1.28
NYSE American	0.31	1,016	0.10
Nasdaq BX	0.28	909	0.35
Nasdaq PHLX	0.00	0	0.15
LTSE	0.00	0	0.09
CHX	0.00	0	0.07
24X National	0.00	0	0.05

chartexchange.com

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

ALEC Nutrition Facts

0.60 servings per container

Serving size

549.03K

Calories

328.06K

% Day

% Avg

Off Exchange¹ 117K

35.64%

39.48%

Nasdaq GSM 100K

30.62%

31.16%

NYSE Arca 24K

7.45%

7.68%

IEX 23K

7.15%

5.92%

Cboe BZX 17K

5.15%

4.17%

NYSE 14K

4.39%

1.96%

Cboe EDGX 9K

2.69%

2.86%

NYSE National 6K

1.87%

0.81%

MEMX 6K

1.78%

1.46%

Cboe BYX 4K

1.14%

1.46%

MIAX Pearl 3K

0.94%

0.93%

Cboe EDGA 2K

0.60%

1.28%

NYSE American 1K

0.31%

0.10%

Nasdaq BX 909

0.28%

0.35%

Nasdaq PHLX 0

0.00%

0.15%

LTSE 0

0.00%

0.09%

CHX 0

0.00%

0.07%

24X National 0

0.00%

0.05%

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

chartexchange.com

ALEC Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 116,929, which is 35.64% of today's total volume.
Today's Lit volume is 211,127, which is 64.36%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 39.48%.
The average Lit volume has been 60.52%.

ALEC Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE Arca

IEX

Cboe BZX

NYSE

Cboe EDGX

NYSE National

MEMX

Cboe BYX

MIAX Pearl