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WLK
Westlake Corporation
stock NYSE

Market Open

Jul 31, 2025 11:08:29 AM EDT

78.75USD-1.124%(-0.90)226,992

78.84Bid 79.04Ask 0.20Spread

Pre-market

Jul 31, 2025 9:28:30 AM EDT

78.00USD-2.072%(-1.65)5,093

After-hours

Jul 30, 2025 4:00:30 PM EDT

79.65USD+0.050%(+0.04)0

OverviewOptionsHistoricalExchange VolumeShortsMore

WLK Volume Jul 31, 2025 10:44:56 AM EDT

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	49.89	92,703	38.40
Nasdaq GSM	13.77	25,578	14.37
NYSE	12.27	22,806	27.67
NYSE Arca	8.75	16,259	3.43
IEX	5.36	9,967	5.63
Cboe BZX	3.54	6,578	3.82
Cboe EDGX	2.98	5,544	2.13
MIAX Pearl	0.96	1,788	0.35
Cboe EDGA	0.62	1,153	0.62
Nasdaq BX	0.56	1,032	0.62
MEMX	0.40	740	1.04
NYSE American	0.32	594	0.17
CHX	0.25	465	0.08
Cboe BYX	0.20	376	0.84
NYSE National	0.07	126	0.31
Nasdaq PHLX	0.05	100	0.54
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

0.16 servings per container

Serving size

1.18M

Calories

185.81K

% Day

% Avg

Off Exchange¹ 93K

49.89%

38.40%

Nasdaq GSM 26K

13.77%

14.37%

NYSE 23K

12.27%

27.67%

NYSE Arca 16K

8.75%

3.43%

IEX 10K

5.36%

5.63%

Cboe BZX 7K

3.54%

3.82%

Cboe EDGX 6K

2.98%

2.13%

MIAX Pearl 2K

0.96%

0.35%

Cboe EDGA 1K

0.62%

Nasdaq BX 1K

0.56%

0.62%

MEMX 740

0.40%

1.04%

NYSE American 594

0.32%

0.17%

CHX 465

0.25%

0.08%

Cboe BYX 376

0.20%

0.84%

NYSE National 126

0.07%

0.31%

Nasdaq PHLX 100

0.05%

0.54%

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 92,703, which is 49.89% of today's total volume.
Today's Lit volume is 93,106, which is 50.11%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 38.40%.
The average Lit volume has been 61.60%.

WLK Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE

NYSE Arca

IEX

Cboe BZX

Cboe EDGX

MIAX Pearl

Cboe EDGA

Nasdaq BX

MEMX