NYSE · WLK
Westlake Corporation
Basic Materials · Chemicals - Specialty
$68.96
Down-$1.85 (-2.61%)
Updated Sep 15, 2026, 6:37 AM
SID Score
4.1/10
Composite research score
Smart Money
58/100
Neutral
- Market cap
- 9.59B
- P/E ratio
- -10.02
- Dividend yield
- 3.06%
- 52-week range
- $56.33 – $124.23
- Volume
- 976.5K
- Avg. volume
- 1.61M
Price performance
WLK price history
1M range · 20 trading sessions · Daily adjusted prices
WLK closed at $68.96 after 20 trading sessions, down 11.83% for the selected period.
- Last close
- $68.96
- Period change
- -11.83%
- Period low
- $68.96
- Period high
- $79.45
View OHLC price history
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Sep 14, 2026 | $71.05 | $72.48 | $68.63 | $68.96 | 976.5K |
| Sep 11, 2026 | $71.94 | $72.50 | $70.44 | $70.81 | 533.8K |
| Sep 10, 2026 | $71.87 | $73.75 | $70.69 | $71.62 | 891.89K |
| Sep 9, 2026 | $72.70 | $73.39 | $70.74 | $71.78 | 846.7K |
| Sep 8, 2026 | $75.56 | $76.14 | $74.63 | $74.75 | 561.12K |
| Sep 4, 2026 | $74.05 | $75.56 | $73.73 | $74.79 | 570.45K |
| Sep 3, 2026 | $77.19 | $77.445 | $74.51 | $74.60 | 594.99K |
| Sep 2, 2026 | $73.60 | $76.82 | $73.60 | $76.27 | 737.25K |
| Sep 1, 2026 | $75.02 | $75.59 | $73.445 | $74.23 | 577K |
| Aug 31, 2026 | $76.05 | $76.515 | $74.28 | $75.07 | 561.71K |
| Aug 28, 2026 | $74.72 | $76.02 | $73.92 | $75.71 | 750.75K |
| Aug 27, 2026 | $74.22 | $74.78 | $72.91 | $73.93 | 586.22K |
| Aug 26, 2026 | $74.47 | $74.93 | $72.90 | $74.61 | 819.34K |
| Aug 25, 2026 | $75.52 | $75.67 | $74.6003 | $74.80 | 536.47K |
| Aug 24, 2026 | $78.67 | $79.175 | $76.19 | $76.49 | 630.39K |
| Aug 21, 2026 | $79.13 | $80.09 | $78.81 | $78.93 | 746.21K |
| Aug 20, 2026 | $78.58 | $80.19 | $78.01 | $78.85 | 681.44K |
| Aug 19, 2026 | $78.39 | $80.575 | $77.6561 | $79.45 | 772.16K |
| Aug 18, 2026 | $78.28 | $79.0424 | $76.45 | $77.52 | 865.08K |
| Aug 17, 2026 | $79.05 | $79.50 | $77.31 | $78.21 | 943.23K |
Latest WLK news
The latest Smart Investors Daily articles mentioning WLK.

