WLK

NYSE · Equity

Westlake Chemical Corporation

US Basic Materials Specialty Chemicals

Latest week
29 May 2026
Close
86.830000
Fair value
110.166885
Expectation
Undecided 51.72%
Weekly Close Trend Line Fair Value Activity Lines

Chart Summary

Key Points

Week Ending
29 May 2026
Latest Close
86.83
12-Week Change
-22.03%
Trend Signal
Active
Expectation
Undecided 51.72%
Signal Weeks
12 of 12
Vs Trend Line
Below
Vs Fair Value
Below
Relative Strength
-10.13
Market Dynamics
-0.78

Over the latest 12 completed weeks ending 2026-05-29, WLK fell 22.03%, moving from 111.37 to 86.83. The latest weekly close is below the Trend Line and below Fair Value. Trend Signal is active on the latest week and was active in 12 of the last 12 weeks. Relative Strength is -10.13 and has softened across the 12-week window. Market Dynamics is -0.78 on the latest week. Expectation is undecided at 51.72%.