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ALGM
Allegro MicroSystems, Inc. Common Stock
stock NASDAQ

At Close

Sep 30, 2026 3:59:56 PM EDT

36.35USD-0.669%(-0.25)2,098,005

34.75Bid 38.19Ask 3.44Spread

Pre-market

Sep 30, 2026 8:47:30 AM EDT

36.96USD+0.984%(+0.36)655

After-hours

Sep 30, 2026 4:27:30 PM EDT

36.35USD-0.014%(0.00)163,446

OverviewOptionsHistoricalExchange VolumeShortsMore

ALGM Volume Sep 30, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	47.06	986,663	45.18
Nasdaq GSM	36.92	774,215	36.61
NYSE Arca	3.50	73,344	4.41
IEX	3.36	70,495	4.50
Cboe EDGX	2.64	55,354	2.28
Cboe BZX	2.43	50,851	3.20
NYSE	0.94	19,700	1.09
MEMX	0.80	16,787	0.78
Cboe BYX	0.65	13,571	0.52
Cboe EDGA	0.45	9,484	0.48
NYSE National	0.24	5,101	0.13
Nasdaq BX	0.22	4,670	0.18
Nasdaq PHLX	0.15	3,205	0.13
LTSE	0.15	3,052	0.06
MIAX Pearl	0.15	3,049	0.19
Texas Stock Exchange LLC	0.13	2,693	0.04
NYSE American	0.12	2,514	0.12
CHX	0.10	2,026	0.10
24X National	0.00	20	0.01

chartexchange.com

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

ALGM Nutrition Facts

0.90 servings per container

Serving size

2.33M

Calories

2.10M

% Day

% Avg

Off Exchange¹ 987K

47.06%

45.18%

Nasdaq GSM 774K

36.92%

36.61%

NYSE Arca 73K

3.50%

4.41%

IEX 70K

3.36%

4.50%

Cboe EDGX 55K

2.64%

2.28%

Cboe BZX 51K

2.43%

3.20%

NYSE 20K

0.94%

1.09%

MEMX 17K

0.80%

0.78%

Cboe BYX 14K

0.65%

0.52%

Cboe EDGA 9K

0.45%

0.48%

NYSE National 5K

0.24%

0.13%

Nasdaq BX 5K

0.22%

0.18%

Nasdaq PHLX 3K

0.15%

0.13%

LTSE 3K

0.15%

0.06%

MIAX Pearl 3K

0.15%

0.19%

Texas Stock Exchange LLC 3K

0.13%

0.04%

NYSE American 3K

0.12%

CHX 2K

0.10%

24X National 20

0.00%

0.01%

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

chartexchange.com

ALGM Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 986,663, which is 47.06% of today's total volume.
Today's Lit volume is 1,110,131, which is 52.94%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 45.18%.
The average Lit volume has been 54.82%.

ALGM Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE Arca

IEX

Cboe EDGX

Cboe BZX

NYSE

MEMX

Cboe BYX

Cboe EDGA

NYSE National