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WLK
Westlake Corporation
stock NYSE

At Close

Jul 30, 2025 3:59:53 PM EDT

79.61USD-6.484%(-5.52)1,640,560

79.58Bid 79.64Ask 0.06Spread

Pre-market

Jul 30, 2025 8:01:30 AM EDT

83.43USD-1.997%(-1.70)135

After-hours

Jul 30, 2025 4:00:30 PM EDT

79.65USD+0.050%(+0.04)1,180

OverviewOptionsHistoricalExchange VolumeShortsMore

WLK Volume Jul 30, 2025

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	41.43	679,742	38.20
Nasdaq GSM	18.45	302,657	14.40
NYSE	17.47	286,565	27.89
IEX	6.17	101,202	5.62
Cboe BZX	5.30	86,929	3.82
NYSE Arca	3.28	53,790	3.40
Cboe EDGX	2.76	45,262	2.12
Nasdaq PHLX	1.64	26,981	0.53
Cboe BYX	0.97	15,982	0.84
Nasdaq BX	0.79	13,013	0.61
Cboe EDGA	0.60	9,776	0.61
MEMX	0.59	9,611	1.04
MIAX Pearl	0.31	5,100	0.36
NYSE American	0.14	2,358	0.17
NYSE National	0.05	800	0.31
CHX	0.05	788	0.08
LTSE	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.

WLK Nutrition Facts

1.41 servings per container

Serving size

1.16M

Calories

1.64M

% Day

% Avg

Off Exchange¹ 680K

41.43%

38.20%

Nasdaq GSM 303K

18.45%

14.40%

NYSE 287K

17.47%

27.89%

IEX 101K

6.17%

5.62%

Cboe BZX 87K

5.30%

3.82%

NYSE Arca 54K

3.28%

3.40%

Cboe EDGX 45K

2.76%

2.12%

Nasdaq PHLX 27K

1.64%

0.53%

Cboe BYX 16K

0.97%

0.84%

Nasdaq BX 13K

0.79%

0.61%

Cboe EDGA 10K

0.60%

0.61%

MEMX 10K

0.59%

1.04%

MIAX Pearl 5K

0.31%

0.36%

NYSE American 2K

0.14%

0.17%

NYSE National 800

0.05%

0.31%

CHX 788

0.05%

0.08%

LTSE 0

0.00%

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

chartexchange.com

WLK Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 679,742, which is 41.43% of today's total volume.
Today's Lit volume is 960,814, which is 58.57%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 38.20%.
The average Lit volume has been 61.80%.

WLK Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE

IEX

Cboe BZX

NYSE Arca

Cboe EDGX

Nasdaq PHLX

Cboe BYX

Nasdaq BX

Cboe EDGA