Dark

KOP
Koppers Holdings, Inc.
stock NYSE

At Close

Sep 24, 2026 3:59:52 PM EDT

45.98USD-0.605%(-0.28)108,109

0.00Bid 0.00Ask 0.00Spread

Pre-market

0.00USD-100.000%(-46.26)0

After-hours

Sep 24, 2026 4:10:30 PM EDT

45.96USD-0.043%(-0.02)1

OverviewOptionsHistoricalDark Pool PrintsShortsMore

KOP Volume Sep 24, 2026

[NF]

Exchange	Day%	Volume	30D%
NYSE	36.29	39,230	38.76
Off Exchange¹	32.76	35,416	38.91
Nasdaq GSM	14.98	16,197	7.40
IEX	4.04	4,371	3.33
NYSE Arca	3.20	3,462	3.09
Cboe BZX	2.32	2,507	2.57
Cboe EDGX	2.19	2,365	1.74
Nasdaq PHLX	1.56	1,689	0.44
Nasdaq BX	0.72	776	1.03
MEMX	0.68	735	0.70
Cboe BYX	0.38	413	0.78
Cboe EDGA	0.25	275	0.27
NYSE National	0.20	219	0.54
MIAX Pearl	0.12	134	0.17
NYSE American	0.12	133	0.12
LTSE	0.12	127	0.09
CHX	0.05	51	0.06
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.

KOP Nutrition Facts

0.60 servings per container

Serving size

180.15K

Calories

108.10K

% Day

% Avg

NYSE 39K

36.29%

38.76%

Off Exchange¹ 35K

32.76%

38.91%

Nasdaq GSM 16K

14.98%

7.40%

IEX 4K

4.04%

3.33%

NYSE Arca 3K

3.20%

3.09%

Cboe BZX 3K

2.32%

2.57%

Cboe EDGX 2K

2.19%

1.74%

Nasdaq PHLX 2K

1.56%

0.44%

Nasdaq BX 776

0.72%

1.03%

MEMX 735

0.68%

0.70%

Cboe BYX 413

0.38%

0.78%

Cboe EDGA 275

0.25%

0.27%

NYSE National 219

0.20%

0.54%

MIAX Pearl 134

0.12%

0.17%

NYSE American 133

0.12%

LTSE 127

0.12%

0.09%

CHX 51

0.05%

0.06%

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

KOP Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 35,416, which is 32.76% of today's total volume.
Today's Lit volume is 72,684, which is 67.24%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 38.91%.
The average Lit volume has been 61.09%.

KOP Volume by Exchange

NYSE

Off Exchange

Nasdaq GSM

IEX

NYSE Arca

Cboe BZX

Cboe EDGX

Nasdaq PHLX

Nasdaq BX

MEMX

Cboe BYX