Dark

ALMS
Alumis Inc. Common Stock
stock NASDAQ

At Close

Sep 18, 2026 3:59:58 PM EDT

7.74USD-1.023%(-0.08)6,393,054

0.00Bid 0.00Ask 0.00Spread

Pre-market

Sep 21, 2026 8:49:30 AM EDT

7.85USD+1.030%(+0.08)1,176

After-hours

Sep 18, 2026 4:27:30 PM EDT

7.77USD+0.388%(+0.03)1,004

OverviewOptionsHistoricalExchange VolumeShortsTrends

ALMS Volume Sep 21, 2026

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Exchange	Day%	Volume	30D%
Nasdaq GSM	59.51	3,804,597	29.76
Off Exchange¹	24.03	1,536,054	43.45
NYSE Arca	4.99	318,712	10.09
IEX	3.32	212,336	4.37
Cboe BZX	2.81	179,714	3.76
Cboe EDGX	1.21	77,366	3.14
Cboe BYX	1.12	71,501	0.81
NYSE	0.91	58,323	1.54
MEMX	0.65	41,786	0.94
NYSE National	0.58	36,907	0.37
MIAX Pearl	0.41	26,393	0.25
Cboe EDGA	0.21	13,180	0.83
Nasdaq BX	0.08	4,888	0.32
NYSE American	0.06	4,065	0.12
Texas Stock Exchange LLC	0.06	3,935	0.04
Nasdaq PHLX	0.04	2,522	0.08
CHX	0.01	721	0.10
24X National	0.00	0	0.02
LTSE	0.00	0	0.00

chartexchange.com

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

ALMS Nutrition Facts

1.86 servings per container

Serving size

3.44M

Calories

6.39M

% Day

% Avg

Nasdaq GSM 4M

59.51%

29.76%

Off Exchange¹ 2M

24.03%

43.45%

NYSE Arca 319K

4.99%

10.09%

IEX 212K

3.32%

4.37%

Cboe BZX 180K

2.81%

3.76%

Cboe EDGX 77K

1.21%

3.14%

Cboe BYX 72K

1.12%

0.81%

NYSE 58K

0.91%

1.54%

MEMX 42K

0.65%

0.94%

NYSE National 37K

0.58%

0.37%

MIAX Pearl 26K

0.41%

0.25%

Cboe EDGA 13K

0.21%

0.83%

Nasdaq BX 5K

0.08%

0.32%

NYSE American 4K

0.06%

0.12%

Texas Stock Exchange LLC 4K

0.06%

0.04%

Nasdaq PHLX 3K

0.04%

0.08%

CHX 721

0.01%

0.10%

24X National 0

0.00%

0.02%

LTSE 0

0.00%

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

chartexchange.com

ALMS Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 1,536,054, which is 24.03% of today's total volume.
Today's Lit volume is 4,856,946, which is 75.97%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 43.45%.
The average Lit volume has been 56.55%.

ALMS Volume by Exchange

Nasdaq GSM

Off Exchange

NYSE Arca

IEX

Cboe BZX

Cboe EDGX

Cboe BYX

NYSE

MEMX

NYSE National

MIAX Pearl