Westlake Corporation (WLK)

Typically moves ±4.97% on earnings

EARNINGS ANALYTICS

event_note Approx. Next Earnings: ~2026-08-06 APPROXIMATE

Since Aug 03, 2021, Westlake Corporation (WLK) has reported earnings 20 times. On average the shares move ±4.97% post-earnings, with a positive reaction 55.0% of the time. Its largest post-earnings gain was +12.12% (Feb 24, 2026) and its largest decline was -13.15% (May 02, 2025). The next earnings report is predicted for 2026-08-06 (approximate).

Earnings reactions

How WLK moved on each past earnings report.

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Earnings Impact

Total Earnings

Avg Abs. Movement

±4.97%

Positive %

55.0%

Negative %

45.0%

Historical Earnings Statistics

Date	Timing	Earnings move	SEC Filing
May 05, 2026	☀ PRE	-8.63%	open_in_new
Feb 24, 2026	☀ PRE	+12.12%	open_in_new
Oct 30, 2025	☀ PRE	-7%	open_in_new
Aug 05, 2025	☀ PRE	+8.93%	open_in_new
May 02, 2025	☀ PRE	-13.15%	open_in_new
Feb 24, 2025	☀ PRE	-0.02%	open_in_new
Nov 05, 2024	☀ PRE	+1.06%	open_in_new
Aug 06, 2024	☀ PRE	+7.99%	open_in_new
May 01, 2024	☀ PRE	+1.3%	open_in_new
Feb 20, 2024	☀ PRE	-7.79%	open_in_new
Nov 02, 2023	☀ PRE	+4.17%	open_in_new
Aug 03, 2023	☀ PRE	-1.37%	open_in_new
May 04, 2023	☀ PRE	+4.14%	open_in_new
Feb 21, 2023	☀ PRE	-6.63%	open_in_new
Nov 03, 2022	☀ PRE	-3.51%	open_in_new
Aug 02, 2022	☀ PRE	-2.84%	open_in_new
May 03, 2022	☀ PRE	+4.79%	open_in_new
Feb 22, 2022	☀ PRE	+1.07%	open_in_new
Nov 02, 2021	☀ PRE	+0.99%	open_in_new
Aug 03, 2021	☀ PRE	+1.99%	open_in_new

event

Earnings Count

Total earnings in dataset

trending_up

Avg Abs. Movement

±4.97%

Avg % price change on earnings

description

SEC Filings

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Browse all SEC filings

account_balance

Institutional ownership

Holdings as of Jun 30, 2026 · SEC 13-F

View all 22 →

Funds holding

$898349832

Total value held

Buying

17 added · 5 reduced

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Janus Henderson Group Plc

$31517599 NEW BUY

SEC Filing Types

Recent SEC Filings

6 most recent

Form	Date Filed	View on EDGAR
4	20260616	open_in_new SEC.gov
3	20260615	open_in_new SEC.gov
8-K	20260615	open_in_new SEC.gov
8-K	20260518	open_in_new SEC.gov
SD	20260518	open_in_new SEC.gov
4	20260514	open_in_new SEC.gov

Frequently asked about WLK earnings

When does Westlake Corporation report earnings next? expand_more

Westlake Corporation (WLK)'s next earnings date is approximate for 2026-08-06. This is a prediction based on its historical quarterly reporting pattern, not a company-confirmed date.

How much does WLK stock move after earnings? expand_more

Over 20 reports, WLK has moved an average of ±4.97% the session after earnings, closing higher 55.0% of the time.

What was WLK's biggest post-earnings move? expand_more

WLK's largest post-earnings gain on record was +12.12% on Feb 24, 2026, and its largest decline was -13.15% on May 02, 2025.

Where can I find Westlake Corporation's SEC filings? expand_more

All of Westlake Corporation's SEC filings — 10-K, 10-Q, 8-K and more — are listed in the SEC filings section on this page, each linking to the original document on SEC.gov.