Dark

IOSP
Innospec Inc.
stock NASDAQ

Market Open

Sep 22, 2026 2:38:27 PM EDT

95.54USD+3.220%(+2.98)229,342

81.39Bid 107.64Ask 26.25Spread

Pre-market

Sep 21, 2026 8:55:30 AM EDT

93.33USD+0.832%(+0.77)0

After-hours

Sep 18, 2026 4:29:30 PM EDT

93.15USD+0.035%(+0.03)0

OverviewOptionsHistoricalExchange VolumeShortsMore

IOSP Volume Sep 22, 2026 2:24:58 PM EDT

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	46.97	106,169	41.50
NYSE Arca	12.30	27,798	5.65
Nasdaq GSM	12.26	27,710	35.62
Cboe BZX	6.44	14,561	2.61
IEX	6.33	14,302	4.63
Nasdaq BX	4.35	9,827	1.27
Cboe EDGX	3.89	8,796	2.41
MEMX	3.59	8,105	1.19
NYSE	1.47	3,323	2.41
Cboe EDGA	0.79	1,792	0.38
NYSE National	0.54	1,220	0.57
Cboe BYX	0.41	938	1.18
MIAX Pearl	0.38	851	0.23
NYSE American	0.21	481	0.07
Nasdaq PHLX	0.07	149	0.21
CHX	0.01	12	0.05
LTSE	0.00	0	0.02
Texas Stock Exchange LLC	0.00	0	0.00
24X National	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.

IOSP Nutrition Facts

1.28 servings per container

Serving size

176.45K

Calories

226.03K

% Day

% Avg

Off Exchange¹ 106K

46.97%

41.50%

NYSE Arca 28K

12.30%

5.65%

Nasdaq GSM 28K

12.26%

35.62%

Cboe BZX 15K

6.44%

2.61%

IEX 14K

6.33%

4.63%

Nasdaq BX 10K

4.35%

1.27%

Cboe EDGX 9K

3.89%

2.41%

MEMX 8K

3.59%

1.19%

NYSE 3K

1.47%

2.41%

Cboe EDGA 2K

0.79%

0.38%

NYSE National 1K

0.54%

0.57%

Cboe BYX 938

0.41%

1.18%

MIAX Pearl 851

0.38%

0.23%

NYSE American 481

0.21%

0.07%

Nasdaq PHLX 149

0.07%

0.21%

CHX 12

0.01%

0.05%

LTSE 0

0.00%

0.02%

Texas Stock Exchange LLC 0

0.00%

24X National 0

0.00%

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

chartexchange.com

IOSP Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 106,169, which is 46.97% of today's total volume.
Today's Lit volume is 119,865, which is 53.03%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 41.50%.
The average Lit volume has been 58.50%.

IOSP Volume by Exchange

Off Exchange

NYSE Arca

Nasdaq GSM

Cboe BZX

IEX

Nasdaq BX

Cboe EDGX

MEMX

NYSE

Cboe EDGA

NYSE National