Dark

ASPN
Aspen Aerogels, Inc.
stock NYSE

At Close

Jul 30, 2026 3:59:57 PM EDT

4.51USD+10.147%(+0.42)1,303,341

0.00Bid 0.00Ask 0.00Spread

Pre-market

Jul 27, 2026 9:25:30 AM EDT

4.67USD+14.203%(+0.58)0

After-hours

Jul 30, 2026 4:10:30 PM EDT

4.51USD+0.111%(0.00)101

OverviewOptionsHistoricalDark Pool LevelsShortsMore

ASPN Volume Jul 30, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	32.33	340,836	25.44
NYSE	30.96	326,397	47.17
Nasdaq GSM	12.30	129,632	8.67
Cboe BZX	5.93	62,547	3.15
IEX	5.23	55,167	4.77
NYSE Arca	5.18	54,563	4.36
Cboe EDGX	4.34	45,748	2.58
MEMX	1.07	11,242	1.11
Cboe EDGA	0.70	7,340	0.60
MIAX Pearl	0.68	7,212	0.58
NYSE National	0.57	6,055	0.49
Cboe BYX	0.33	3,519	0.59
CHX	0.13	1,349	0.10
Nasdaq BX	0.10	1,076	0.20
Nasdaq PHLX	0.07	738	0.06
NYSE American	0.06	602	0.12
24X National	0.01	100	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

0.83 servings per container

Serving size

1.27M

Calories

1.05M

% Day

% Avg

Off Exchange¹ 341K

32.33%

25.44%

NYSE 326K

30.96%

47.17%

Nasdaq GSM 130K

12.30%

8.67%

Cboe BZX 63K

5.93%

3.15%

IEX 55K

5.23%

4.77%

NYSE Arca 55K

5.18%

4.36%

Cboe EDGX 46K

4.34%

2.58%

MEMX 11K

1.07%

1.11%

Cboe EDGA 7K

0.70%

0.60%

MIAX Pearl 7K

0.68%

0.58%

NYSE National 6K

0.57%

0.49%

Cboe BYX 4K

0.33%

0.59%

CHX 1K

0.13%

0.10%

Nasdaq BX 1K

0.10%

0.20%

Nasdaq PHLX 738

0.07%

0.06%

NYSE American 602

0.06%

0.12%

24X National 100

0.01%

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 340,836, which is 32.33% of today's total volume.
Today's Lit volume is 713,287, which is 67.67%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 25.44%.
The average Lit volume has been 74.56%.

ASPN Volume by Exchange

Off Exchange

NYSE

Nasdaq GSM

Cboe BZX

IEX

NYSE Arca

Cboe EDGX

MEMX

Cboe EDGA

MIAX Pearl

NYSE National