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ALT
Altimmune, Inc. Common Stock
stock NASDAQ

Market Open

Nov 7, 2025 12:49:33 PM EST

3.87USD-1.654%(-0.06)1,584,273

3.86Bid 3.87Ask 0.01Spread

Pre-market

Nov 7, 2025 9:27:30 AM EST

3.90USD-0.763%(-0.03)24,130

After-hours

Nov 6, 2025 4:58:30 PM EST

3.83USD-2.668%(-0.10)0

OverviewOptionsHistoricalExchange VolumeShortsMore

ALT Volume Nov 7, 2025 12:35:01 PM EST

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	54.74	808,092	53.19
Nasdaq GSM	17.68	260,985	22.72
Cboe EDGX	7.53	111,106	4.24
NYSE Arca	7.05	104,057	6.82
Cboe BZX	3.37	49,776	2.92
IEX	3.26	48,098	4.05
MEMX	2.67	39,452	1.41
NYSE	1.02	15,043	1.75
Nasdaq BX	0.78	11,541	0.14
MIAX Pearl	0.54	7,986	0.80
Cboe BYX	0.44	6,493	0.61
NYSE National	0.39	5,823	0.56
Cboe EDGA	0.36	5,268	0.57
NYSE American	0.08	1,210	0.06
Nasdaq PHLX	0.06	875	0.09
CHX	0.02	306	0.06

chartexchange.com

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

ALT Nutrition Facts

0.53 servings per container

Serving size

2.78M

Calories

1.48M

% Day

% Avg

Off Exchange¹ 808K

54.74%

53.19%

Nasdaq GSM 261K

17.68%

22.72%

Cboe EDGX 111K

7.53%

4.24%

NYSE Arca 104K

7.05%

6.82%

Cboe BZX 50K

3.37%

2.92%

IEX 48K

3.26%

4.05%

MEMX 39K

2.67%

1.41%

NYSE 15K

1.02%

1.75%

Nasdaq BX 12K

0.78%

0.14%

MIAX Pearl 8K

0.54%

0.80%

Cboe BYX 6K

0.44%

0.61%

NYSE National 6K

0.39%

0.56%

Cboe EDGA 5K

0.36%

0.57%

NYSE American 1K

0.08%

0.06%

Nasdaq PHLX 875

0.06%

0.09%

CHX 306

0.02%

0.06%

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

chartexchange.com

ALT Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 808,092, which is 54.74% of today's total volume.
Today's Lit volume is 668,019, which is 45.26%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 53.19%.
The average Lit volume has been 46.81%.

ALT Volume by Exchange

Off Exchange

Nasdaq GSM

Cboe EDGX

NYSE Arca

Cboe BZX

IEX

MEMX

NYSE

Nasdaq BX

MIAX Pearl

Cboe BYX