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8-K ·Filed Sep 29, 2026

WLK

WESTLAKE CORP
BEARISH
Impact 6/10
Horizonmonths Processed27d 18h ago SEC0001262823-26-000067
8-K material event: Items 2.05
Actionable Insight ▼ Bearish

Watch for Q3 2026 earnings release for magnitude of sequential decline and any further guidance on European chlorovinyl margins. Monitor works council negotiations in Germany for potential cost overruns or delays in the closure timeline.

DirectionBearish
Confidencehigh
Horizonmonths
Latest settled — T+5d
WLK ▲ 0.00% at T+5d
SHORT call ✗ call lost 0.00% · α vs SPY +1.95% · entry $63.39 → $63.39
Next anchor: T+20d in 7h
Latest observation: T+18 -4.36% FF3 residual α
Entry = T+0 close
Sep 29, 2026
via day close
T+1d
-1.70%
call +1.70% · α +1.50%
$62.31
settled 27d ago
T+5d
0.00%
call 0.00% · α +1.95%
$63.39
settled 21d ago
T+20d
Pending
in 7h
T+60d
Pending
in 8w

Price Chart

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Executive Summary

Westlake announced the closure of its Cologne, Germany PVC plant (165,000 metric tons annual capacity) due to challenging European market conditions, expecting ~$205M in total pre-tax charges ($105M non-cash, $100M cash) and a workforce reduction of ~120 employees. The company also disclosed that Q3 2026 financial performance will be sequentially lower than Q2 2026, citing moderating PVC/polyethylene prices, higher freight costs, and a housing slowdown.

Key Facts

  • Westlake approved closure of Cologne, Germany PVC plant with 165,000 metric tons annual capacity.
  • Total pre-tax charges of approximately $205 million: $105M non-cash (accelerated depreciation $60M, asset write-offs $45M) and $100M cash (severance $20M, decommissioning $80M).
  • Approximately $110M of charges expected in 2026, remainder in 2027; cash outflows may extend over several years.
  • Workforce reduction of approximately 120 employees.
  • Q3 2026 financial performance expected to be sequentially lower than Q2 2026 due to moderating PVC/polyethylene prices, higher freight costs, and housing slowdown.
  • Operations expected to cease in Q1 2027; consultations with works councils initiated September 29, 2026.

Financial Impact

~$205M total pre-tax charges ($105M non-cash, $100M cash); Q3 2026 sequential decline vs Q2 2026

revenueoperating incomecash flow

Risk Factors

  • Actual closure costs may exceed $205M estimate due to works council negotiations or unforeseen decommissioning expenses.
  • Q3 2026 sequential decline could be worse than implied if PVC pricing pressure intensifies or housing slowdown deepens.
  • Reallocation of Cologne volumes to Wilhelmshaven may face operational integration risks or higher-than-expected logistics costs.

Investment Themes

Documents Analyzed

This report is based on 5 SEC documents filed with EDGAR.

DocumentAccession Number
8-K Filing (Primary)0001262823-26-000067
Exhibit: ex991_pressreleaseissuedby.htm0001262823-26-000067
Document: 0001262823-26-000067-index-headers.html0001262823-26-000067
Document: 0001262823-26-000067-index.html0001262823-26-000067
Document: 0001262823-26-000067.txt0001262823-26-000067
16 reports for WLK
Performance horizon
100% Hit rate @ T+60 3 of 3 directional calls Went positive at some point 4 of 4 best @ T+60▲ +36.80%Apr 14, 2026
Filters
Rows
Reports for WLK — sortable, filterable
TypeNow
Sep 29, 2026
27d ago
8-K
BEARISH ★ 6/10
$63.39awaiting T+60—$65.31 (−3.03%)
Aug 31, 2026
8w ago
8-K
NEUTRAL ★ 2/10
$74.23awaiting T+60—$65.31 (−12.02%)
Aug 14, 2026
10w ago
Press Release
NEUTRAL ★ 2/10
$78.21awaiting T+60—$65.31 (−16.49%)
Aug 4, 2026
11w ago
8-K
BULLISH ★ 6/10
$80.63awaiting T+60—$65.31 (−19.00%)
Jul 21, 2026
13w ago
Press Release
NEUTRAL ★ 1/10
$76.22awaiting T+60—$65.31 (−14.31%)
Jun 15, 2026
19w ago
8-K
NEUTRAL ★ 4/10
$84.33 $71.62▼ −15.07%▼ −16.07%$65.31 (−22.55%)
Jun 13, 2026
19w ago
Institutional Cluster
MIXED ★ 5/10
$87.45 $71.78▼ −17.92%▼ −18.92%$65.31 (−25.32%)
May 5, 2026
24w ago
8-K
BEARISH ★ 7/10
$104.29 $71.72▲ +31.23%▲ +33.71%$65.31 (+37.38%)
Apr 20, 2026
27w ago
8-K
NEUTRAL ★ 4/10
$115.44 $77.08▼ −33.23%▼ −39.85%$65.31 (−43.43%)
Apr 14, 2026
27w ago
8-K
BEARISH ★ 7/10
$117.84 $74.48▲ +36.80%▲ +45.04%$65.31 (+44.58%)
Showing 10 of 16

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Report published Sep 29, 2026