WLK NYSE Week ended 31 Jul 2026

Weekly Investor Report

Westlake Chemical Corporation · Basic Materials · Specialty Chemicals

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Latest close 70.50 USD
-4.5% latest week
Weekly setup

Weak trend

The weekly trend is not active. Price is -24.1% below the Trend Line and sits at 22.4% of its 52-week range. The latest completed week returned -4.5%, after a -5.7% four-week move. The latest factor snapshot indicates quality ranks weakly versus its universe; growth ranks weakly; valuation is neither clearly cheap nor expensive. Options positioning is mixed with 38/100 conviction, while the latest news-sentiment score is 52/100. Near-term considerations: earnings are due in 1d.

Setup score 26 out of 100
Latest Close 70.50 USD 31 Jul 2026
1W Return -4.5% latest completed week
4W Return -5.7% short-term follow-through
12W Return -24.4% quarterly tape
Trend Breadth 30.8% 16 of 52 weeks active
Volume Ratio 1.2x vs 13-week average
What is working
  • No strong opportunity cluster is confirmed yet; monitor trend and activity pressure.
What could go wrong
  • The trend backdrop is inactive, so price action has not confirmed a constructive regime.
  • Price is below the Trend Line, which keeps downside pressure in focus.
  • Price is below Fair Value, so the market is still discounting the latest tape.
  • Activity pressure is negative, which weakens the current setup.
What to watch next
  • Trend Line remains the key weekly regime level.
  • Activity pressure is the gauge to monitor for confirmation or fade.
  • A volume ratio above 1.5x would show stronger participation in the next move.
Price follow-through -4.5% Latest completed week; four-week move -5.7%. Indicator stack 17/28 Trend and activity pressure are weighted against the latest 12-week confirmation window. Trend backdrop Active The trend backdrop defines the current weekly regime. Patient Capital Quiet Activity-pressure buy-signal status for institutional accumulation timing. Options pressure Mixed 38/100 conviction; expected move 12.0%. News sentiment 52/100 42 relevant articles in the latest sentiment read. Event risk 1d Next report is scheduled for 04 Aug 2026; event risk rises as the date approaches.
01 · Price action

Where price is—and whether the trend supports it

The weekly trend is not active. Price is -24.1% below the Trend Line and sits at 22.4% of its 52-week range. The latest completed week returned -4.5%, after a -5.7% four-week move.

Study the full chart

52-week price path

Price vs Trend Line and Fair Value
Price Trend Line Fair Value
02 · Volume and demand

Is real participation confirming the move?

Latest weekly volume is 1.2x the 13-week average. Participation is around or above normal and provides reasonable confirmation.

26-week volume confirmation

Bar height shows volume; colour shows the weekly price direction
6 Feb 13 Feb 20 Feb 27 Feb 6 Mar 13 Mar 20 Mar 27 Mar 3 Apr 10 Apr 17 Apr 24 Apr 1 May 8 May 15 May 22 May 29 May 5 Jun 12 Jun 19 Jun 26 Jun 3 Jul 10 Jul 17 Jul 24 Jul 31 Jul
Up week Down week
Demand beneath price

Activity pressure and institutional-style signals

These indicators assess whether participation is improving beneath the headline price move. They are supporting evidence, not proof of institutional buying.

Activity pressure path

Latest 0.0912-week average 0.45

12-week confirmation

Trend active3/12Active trend-backdrop weeks in the latest 12-week window.
Positive pressure1/12Weeks with constructive activity pressure in the latest 12-week window.
Positive leadership0/12Weeks with positive relative leadership in the latest 12-week window.
Activity pressure0.09Current proprietary activity-pressure read.
Buy signals0Accumulation signal count in the latest 12 weeks.
Reversal markers0No reversal markers

No recent accumulation markers. No reversal markers.

03 · Momentum and leadership

Is performance persistent—and is the stock leading?

Performance is -5.7% over four weeks, -24.4% over 12 weeks, and -4.1% over one year. The current trend has remained active for 0 consecutive weeks.

Performance by holding period

1W-4.5%
4W-5.7%
12W-24.4%
26W-10.1%
52W-4.1%
Active trend streak0 weeks
Active weeks in one year16
Trend breadth30.8%

Activity pressure vs relative leadership

Activity pressureRelative leadership
Pressure-1.18Latest activity-pressure read.
Pressure change-14.5%Four-week change in activity pressure.
Leadership-24.16Latest relative-leadership reading.
RS change-16.5%Four-week change in relative leadership.
04 · Fundamentals and valuation

What investors are paying for—and the quality behind it

The latest factor snapshot indicates quality ranks weakly versus its universe; growth ranks weakly; valuation is neither clearly cheap nor expensive.

Open full factor analysis
Factor week 02 Aug 2026 Financial statements through 31 Mar 2026 Field coverage 91% Model confidence 86%

Relative factor standing

Higher display scores are better. Each score is converted from the underlying universe rank, where rank 1 is best.

Overall factor strength35/100Blend of value, momentum, and quality. Underlying universe rank 66; rank 1 is best.
Value75/100Relative valuation strength. Underlying universe rank 26; rank 1 is best.
Quality6/100Profitability and accounting quality. Underlying universe rank 95; rank 1 is best.
Momentum14/100Medium-term price momentum. Underlying universe rank 87; rank 1 is best.
Growth18/100Revenue and earnings growth. Underlying universe rank 83; rank 1 is best.
How to read this

Quality and valuation are separate questions

A strong company can still carry a demanding valuation. This report shows profitability, growth, balance-sheet strength, and the price paid for those characteristics separately.

Valuation

How much investors are paying for earnings, sales, and cash flow.

P/E
-
Price divided by trailing earnings.
Price / sales
0.8x
Market value relative to trailing revenue.
EV / EBITDA
-
Enterprise value relative to operating cash earnings.
Free-cash-flow yield
10.3%
Free cash flow as a share of enterprise value.

Business quality

Margins and the return generated on invested capital.

Gross margin
1.3%
Gross profit retained from each unit of revenue.
Operating margin
-15.4%
Operating profit retained from revenue.
Free-cash-flow margin
12.8%
Free cash flow generated from revenue.
Return on invested capital
-10.0%
Operating return generated on invested capital.

Growth and financial strength

Recent business growth and accounting strength.

Revenue growth
-8.6%
Latest one-year revenue growth.
EPS growth
-
Latest one-year earnings-per-share growth.
Free-cash-flow growth
-31.6%
Latest one-year free-cash-flow growth.
Piotroski F-score
3/9
Nine-point accounting-strength checklist.

Shareholder return and balance sheet

Cash returned to owners and financial leverage.

Dividend yield
3.0%
Cash dividends relative to market value.
Buyback yield
0.4%
Net share repurchases relative to market value.
Shareholder yield
3.4%
Dividend yield plus net buyback yield.
Net debt / EBITDA
-9.2x
Balance-sheet debt relative to operating cash earnings.
05 · Ownership, options, and sentiment

What other market participants are doing

Options, insider transactions, market sentiment, and activity-pressure signals can confirm or challenge the price story. None should be used alone.

Options positioningMixed

WLK shows mixed options pressure with a 38/100 conviction score, put-call volume ratio of 1.26, expected move of 12.0%, and Sharemaestro trend signal inactive.

Conviction38/100
Expected move12.0%
Put/call volume1.26
Pressure-5
Speculation41
Volatility82
Trend agreement72
Open options detail
Insider activity3 / 4

3 acquisitions and 4 disposals in the latest 180-day insider tape.

Acquisitions / disposals over the latest 180 days. Insider activity is context, not a stand-alone signal.
News sentiment52/100

Weighted news tone is neutral across 42 relevant articles.

8 positive · 32 neutral · 2 negative
Patient CapitalQuiet

Activity-pressure buy-signal evidence highlights potential institutional accumulation windows.

No recent buy signal
06 · Catalysts and risk

What can move the shares—and how volatile the path has been

Event timing, options-implied movement, drawdown, and weekly return distribution frame the risk around the current setup.

Next earnings1dNext report is scheduled for 04 Aug 2026; event risk rises as the date approaches.
Options expected move12.0%Nearest-chain priced movement where available.
52-week drawdown-42.9%Distance below the 52-week high.
13-week volatility5.6%Standard deviation of weekly returns.

Weekly gains and losses

Latest 26 completed weeks

Each bar is one week. Gains rise above the zero line; losses fall below it. Taller bars mean a larger weekly move.

Weeks higher11 of 2615 weeks finished lower.
Best week+20.9%Week of 6 Feb.
Worst week-18.4%Week of 8 May.
Latest week-4.5%Week of 31 Jul.

Shape of recent returns

Strong gains7
Modest gains4
Flat weeks0
Modest losses6
Sharp losses9
Recent vol5.6%13-week weekly-return volatility.
Base vol7.0%52-week weekly-return volatility.
Up/down split24/28Count of positive and negative weeks in the 52-week window.
Average skew6.2% / -5.0%Average positive week versus average negative week.
07 · Sector and peer context

Is this stock leading—or simply moving with its group?

Sector and industry breadth distinguish company-specific strength from a broad group move.

08 · Evidence and weekly data

The underlying research record

Every top-level statement above should be traceable to a stored market, fundamental, event, or positioning observation.

Weekly tape27/100

Trend, activity pressure, participation, and risk combine to a 27/100 tape read.

 Indicator analysis18/100

Latest 12-week confirmation: trend 3/12, activity pressure 1/12, relative leadership 0/12.

Activity pressure 0.09; No reversal markers Factors31/100

O'Shaughnessy factor stack blends value, quality, momentum, and confidence.

Buyback Yield rank 37; Small Cap Core rank 33 Patient CapitalQuiet

Activity-pressure buy-signal evidence highlights potential institutional accumulation windows.

No recent buy signal Options53/100

WLK shows mixed options pressure with a 38/100 conviction score, put-call volume ratio of 1.26, expected move of 12.0%, and Sharemaestro trend signal inactive.

Mixed · Options-market disagreement · Expected move 12.0% Sentiment52/100

Weighted news tone is neutral across 42 relevant articles.

Westlake Corp (MEX:WLK) Stock Price, Trades & News Insiders3 / 4

3 acquisitions and 4 disposals in the latest 180-day insider tape.

 Earnings1d

Next report is scheduled for 04 Aug 2026; event risk rises as the date approaches.
WeekCloseReturnTrend LineFair ValuePressureLeadershipVolumeTrend
31 Jul 202670.50 USD-4.5%92.88 USD108.0 USD-1.18-24.166.5MOff
24 Jul 202673.82 USD-4.9%92.97 USD108.3 USD-1.18-20.034.3MOff
17 Jul 202677.63 USD2.8%92.94 USD108.7 USD-1.02-16.823.4MOff
10 Jul 202675.49 USD1.0%92.75 USD109.0 USD-1.01-20.646.3MOff
3 Jul 202674.77 USD-2.4%92.68 USD109.3 USD-1.03-20.755.6MOff
26 Jun 202676.62 USD-4.6%92.43 USD109.5 USD-1.08-17.377.5MOff
19 Jun 202680.28 USD-9.3%92.08 USD109.7 USD-1.21-15.704.2MOff
12 Jun 202688.50 USD4.6%91.33 USD109.9 USD-1.16-6.374.6MOff
5 Jun 202684.64 USD-2.5%90.43 USD110.0 USD-1.07-10.064.1MOff
29 May 202686.83 USD-1.4%89.73 USD110.2 USD-0.77-10.133.5MOn
22 May 202688.07 USD0.0%89.08 USD110.3 USD-0.30-7.575.2MOn
15 May 202688.06 USD-5.6%88.74 USD110.4 USD0.12-6.836.8MOn
8 May 202693.29 USD-18.4%88.26 USD110.5 USD0.54-1.328.0MOn
1 May 2026114.3 USD3.9%87.63 USD110.6 USD0.9323.524.5MOn
How to use this report

This is a completed-week research summary. It explains the available evidence and its conflicts; it does not predict a guaranteed outcome or replace your own risk assessment. Fundamental figures may refer to an earlier financial reporting period, which is shown above.