Dark

KOP
Koppers Holdings, Inc.
stock NYSE

At Close

Sep 25, 2026 3:59:52 PM EDT

46.24USD+0.609%(+0.28)98,772

30.59Bid 66.09Ask 35.50Spread

Pre-market

0.00USD-100.000%(-45.96)0

After-hours

Sep 25, 2026 4:10:30 PM EDT

46.27USD+0.065%(+0.03)101

OverviewOptionsHistoricalExchange VolumeShortsMore

KOP Volume Sep 25, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	38.88	38,398	38.19
NYSE	35.78	35,333	39.27
Nasdaq GSM	6.85	6,762	7.43
NYSE Arca	4.90	4,835	3.19
IEX	4.03	3,981	3.34
Cboe EDGX	2.28	2,250	1.76
Cboe BZX	1.67	1,652	2.57
Cboe EDGA	1.35	1,330	0.29
NYSE National	1.13	1,116	0.57
Nasdaq BX	1.08	1,071	1.05
Cboe BYX	0.66	649	0.76
MEMX	0.45	443	0.69
CHX	0.37	363	0.07
MIAX Pearl	0.21	210	0.17
NYSE American	0.13	131	0.12
LTSE	0.10	101	0.09
Texas Stock Exchange LLC	0.10	100	0.00
Nasdaq PHLX	0.03	25	0.44
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

0.55 servings per container

Serving size

180.15K

Calories

98.75K

% Day

% Avg

Off Exchange¹ 38K

38.88%

38.19%

NYSE 35K

35.78%

39.27%

Nasdaq GSM 7K

6.85%

7.43%

NYSE Arca 5K

4.90%

3.19%

IEX 4K

4.03%

3.34%

Cboe EDGX 2K

2.28%

1.76%

Cboe BZX 2K

1.67%

2.57%

Cboe EDGA 1K

1.35%

0.29%

NYSE National 1K

1.13%

0.57%

Nasdaq BX 1K

1.08%

1.05%

Cboe BYX 649

0.66%

0.76%

MEMX 443

0.45%

0.69%

CHX 363

0.37%

0.07%

MIAX Pearl 210

0.21%

0.17%

NYSE American 131

0.13%

0.12%

LTSE 101

0.10%

0.09%

Texas Stock Exchange LLC 100

0.10%

0.00%

Nasdaq PHLX 25

0.03%

0.44%

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 38,398, which is 38.88% of today's total volume.
Today's Lit volume is 60,352, which is 61.12%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 38.19%.
The average Lit volume has been 61.81%.

KOP Volume by Exchange

Off Exchange

NYSE

Nasdaq GSM

NYSE Arca

IEX

Cboe EDGX

Cboe BZX

Cboe EDGA

NYSE National

Nasdaq BX

Cboe BYX