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ASPN
Aspen Aerogels, Inc.
stock NYSE

At Close

Sep 24, 2026 3:59:58 PM EDT

5.30USD-6.690%(-0.38)2,364,913

0.00Bid 0.00Ask 0.00Spread

Pre-market

Sep 24, 2026 9:29:30 AM EDT

5.49USD-3.345%(-0.19)853

After-hours

Sep 24, 2026 4:10:30 PM EDT

5.30USD0.000%(0.00)1

OverviewOptionsHistoricalExchange VolumeShortsMore

ASPN Volume Sep 24, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	39.63	937,091	32.29
NYSE	33.14	783,698	39.15
IEX	7.65	180,925	6.67
Nasdaq GSM	6.89	162,879	7.03
NYSE Arca	3.49	82,568	4.55
Cboe BZX	3.39	80,186	3.56
Cboe EDGX	1.85	43,811	2.72
MEMX	0.95	22,485	1.18
Cboe BYX	0.92	21,728	0.80
NYSE National	0.53	12,578	0.37
Cboe EDGA	0.49	11,474	0.56
MIAX Pearl	0.34	8,017	0.38
NYSE American	0.21	4,946	0.15
Nasdaq BX	0.20	4,843	0.24
Texas Stock Exchange LLC	0.20	4,687	0.13
Nasdaq PHLX	0.08	1,983	0.16
CHX	0.02	548	0.05
24X National	0.00	10	0.00

chartexchange.com

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

ASPN Nutrition Facts

2.87 servings per container

Serving size

824.46K

Calories

2.36M

% Day

% Avg

Off Exchange¹ 937K

39.63%

32.29%

NYSE 784K

33.14%

39.15%

IEX 181K

7.65%

6.67%

Nasdaq GSM 163K

6.89%

7.03%

NYSE Arca 83K

3.49%

4.55%

Cboe BZX 80K

3.39%

3.56%

Cboe EDGX 44K

1.85%

2.72%

MEMX 22K

0.95%

1.18%

Cboe BYX 22K

0.92%

0.80%

NYSE National 13K

0.53%

0.37%

Cboe EDGA 11K

0.49%

0.56%

MIAX Pearl 8K

0.34%

0.38%

NYSE American 5K

0.21%

0.15%

Nasdaq BX 5K

0.20%

0.24%

Texas Stock Exchange LLC 5K

0.20%

0.13%

Nasdaq PHLX 2K

0.08%

0.16%

CHX 548

0.02%

0.05%

24X National 10

0.00%

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

chartexchange.com

ASPN Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 937,091, which is 39.63% of today's total volume.
Today's Lit volume is 1,427,366, which is 60.37%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 32.29%.
The average Lit volume has been 67.71%.

ASPN Volume by Exchange

Off Exchange

NYSE

IEX

Nasdaq GSM

NYSE Arca

Cboe BZX

Cboe EDGX

MEMX

Cboe BYX

NYSE National

Cboe EDGA