Westlake Corporation (WLK)

Typically moves ±5.47% on earnings
EARNINGS ANALYTICS
event_note Approx. Next Earnings: ~2026-10-12 APPROXIMATE
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Since Aug 03, 2021, Westlake Corporation (WLK) has reported earnings 21 times. On average the shares move ±5.47% post-earnings, with a positive reaction 57.1% of the time. Its largest post-earnings gain was +15.42% (Aug 04, 2026) and its largest decline was -13.15% (May 02, 2025). The next earnings report is predicted for 2026-10-12 (approximate).

Earnings reactions

How WLK moved on each past earnings report.

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Earnings Impact

Total Earnings

21

Avg Abs. Movement

±5.47%

Positive %

57.1%

Negative %

42.9%

Historical Earnings Statistics

Date Timing Earnings move SEC Filing
Aug 04, 2026 ☀ PRE +15.42% open_in_new
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
event

Earnings Count

21

Total earnings in dataset

trending_up

Avg Abs. Movement

±5.47%

Avg % price change on earnings

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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 31 →
31
Funds holding
$655777951
Total value held
Buying
19 added · 12 reduced
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$31517599 NEW BUY

SEC Filing Types

Recent SEC Filings

10 most recent
Form Date Filed View on EDGAR
4 20260901 open_in_new SEC.gov
3 20260831 open_in_new SEC.gov
8-K 20260831 open_in_new SEC.gov
8-A12B 20260821 open_in_new SEC.gov
CERT 20260821 open_in_new SEC.gov
4 20260817 open_in_new SEC.gov
4 20260817 open_in_new SEC.gov
4 20260817 open_in_new SEC.gov
4 20260817 open_in_new SEC.gov
4 20260817 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 2026-10-12. 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 21 reports, WLK has moved an average of ±5.47% the session after earnings, closing higher 57.1% of the time.

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

WLK's largest post-earnings gain on record was +15.42% on Aug 04, 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.

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