WLK

Westlake Corporation $68.96 1M -14.0% 3M -22.1% YTD -7.0% as of 2026-09-14
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Model view — historical tendencies for the days ahead, not a forecast
Next 1 day
+0.2%
Next 1 week
+0.1%
Next 1 month
-0.4%
Seasonality
Mildly negative window
Next 30 days (to Oct 15): -1.0% median, 43% of the last 21 years finished up.
20-year seasonality chart →
Mean reversion
Deeply oversold — RSI(2) at 1
RSI(2) under 15 is oversold (this name has historically bounced); over 85 is overbought. Its dip-buy edge in history is +0.03%/day.
Mean-reversion stats →
1-month breakdown — Market · β 0.64 -0.3% · Seasonal tilt -0.1%
$8.9B market cap (#608 US) $53M/day volume 44% volatility -23% 1-year -58% from ATH
52-week range · 19% of the way up · -44% from the high
$56.33$124.23

Congressional trades in WLK Full tracker →

4 members · 16 buys / 15 sells · $59K–$535K disclosed · latest filing Jul 13, 2021.

SELL SL Susie Lee · traded Jun 10, 2021 $1K–$15K
SELL PM Peter Meijer · traded Feb 16, 2021 $1K–$15K
BUY SL Susie Lee · traded Dec 16, 2020 $1K–$15K
BUY SL Susie Lee · traded Dec 10, 2020 $1K–$15K
SELL JC James Comer · traded Aug 6, 2020 $1K–$15K
BUY DP David A Perdue · traded Jan 29, 2016 $1K–$15K
BUY DP David A Perdue · traded Jan 29, 2016 $1K–$15K
BUY DP David A Perdue · traded Jan 15, 2016 $1K–$15K

Earnings Full history →

Next report 2026-10-29 (Thursday, before open, in 44 days) · EPS est. 1.40.

1-day std dev
5.9%
Finished up
55%
Biggest pop
+15.4%
Biggest drop
-13.5%

Standard deviation of the close-to-close move over the last 60 reports. History, not a forecast.

Data from the U.S. House Clerk and FINRA, plus end-of-day prices. Not investment advice.