WLK
Westlake (WLK)
NYSE
$64.65+$0.09 (+0.15%)
Price as of Oct 23, 2026 8:00 PM EDT
  • $8.2B
    Market Cap
  • -16.30%
    1-Year Change
  • Specialty Chemicals
    Industry
  • 1 Month
    -5.64%
    Low Price$60.84
    High Price$67.71
  • 3 Months
    -13.58%
    Low Price$60.84
    High Price$80.28
  • 1 Year
    -16.30%
    Low Price$54.89
    High Price$121.80
Date
Open
High
Low
Close
Change (%)
Volume
10/23/2026
64.12
65.29
63.50
64.56
+0.65%
1,033,322
10/22/2026
61.20
64.40
60.71
64.14
+5.42%
1,279,025
10/21/2026
62.85
63.25
60.36
60.84
-2.95%
1,129,766
10/20/2026
62.63
62.98
61.72
62.69
+0.64%
599,967
10/19/2026
63.16
63.32
61.97
62.29
-1.64%
501,851
10/16/2026
63.65
64.39
62.08
63.33
-0.44%
775,526
10/15/2026
62.67
64.10
61.70
63.61
+2.25%
701,321
10/14/2026
61.50
62.36
61.00
62.21
+0.57%
831,256
10/13/2026
62.11
63.33
61.72
61.86
+0.02%
740,700
10/12/2026
61.86
62.32
60.99
61.85
-0.71%
987,637
10/09/2026
62.39
62.79
61.68
62.29
-0.03%
766,077
10/08/2026
61.50
62.35
60.78
62.31
+1.28%
1,166,464
10/07/2026
62.83
63.18
59.84
61.52
-2.95%
1,152,539
10/06/2026
64.56
64.80
63.07
63.39
-1.89%
916,733
10/05/2026
63.24
65.86
62.28
64.61
+1.75%
1,064,144
10/02/2026
62.67
64.92
61.80
63.50
+1.65%
1,657,070
10/01/2026
60.66
62.55
58.95
62.47
+0.26%
2,168,857
09/30/2026
63.01
63.61
62.30
62.31
-1.70%
1,283,377
09/29/2026
65.59
65.59
62.70
63.39
-5.16%
1,498,830
09/28/2026
67.65
67.75
66.31
66.84
-1.28%
444,194
09/25/2026
66.44
67.75
65.66
67.71
+1.42%
645,760
09/24/2026
68.40
68.56
66.72
66.76
-2.43%
585,327
09/23/2026
68.97
69.39
68.35
68.42
-0.55%
504,860
09/22/2026
67.98
70.30
67.84
68.80
+1.52%
694,550
09/21/2026
69.40
69.42
67.74
67.77
-1.88%
576,338
09/18/2026
70.03
70.07
68.74
69.07
-2.13%
721,354
09/17/2026
71.26
71.62
69.83
70.57
-0.13%
485,066
09/16/2026
69.81
71.63
69.39
70.66
+0.91%
537,403
09/15/2026
68.84
70.18
68.55
70.02
+1.54%
864,508
09/14/2026
71.05
72.48
68.63
68.96
-2.61%
976,499
09/11/2026
71.94
72.50
70.44
70.81
-1.13%
533,798
09/10/2026
71.87
73.75
70.69
71.62
-0.22%
891,879
09/09/2026
72.70
73.39
70.74
71.78
-3.97%
846,698
09/08/2026
75.56
76.14
74.63
74.75
-0.05%
561,115
09/04/2026
74.05
75.56
73.73
74.79
+0.25%
570,435
09/03/2026
77.19
77.45
74.51
74.60
-2.19%
594,987
09/02/2026
73.60
76.82
73.60
76.27
+2.75%
737,251
09/01/2026
75.02
75.59
73.45
74.23
-1.12%
577,002
08/31/2026
76.05
76.52
74.28
75.07
-0.85%
561,732
08/28/2026
74.72
76.02
73.92
75.71
+2.41%
750,754
08/27/2026
74.22
74.78
72.91
73.93
-0.91%
586,222
08/26/2026
74.47
74.93
72.90
74.61
-0.25%
819,336
08/25/2026
75.52
75.67
74.60
74.80
-1.52%
536,472
08/25/2026
$0.53 Dividend
08/24/2026
78.12
78.62
75.66
75.96
-3.09%
630,392
08/21/2026
78.58
79.53
78.26
78.38
+0.10%
746,214
08/20/2026
78.03
79.63
77.47
78.30
-0.76%
681,441
08/19/2026
77.84
80.01
77.11
78.90
+2.49%
772,162
08/18/2026
77.73
78.49
75.92
76.98
-0.88%
865,076
08/17/2026
78.50
78.95
76.77
77.67
-1.68%
943,229
08/14/2026
80.10
80.30
78.82
79.00
-0.80%
834,151
08/13/2026
77.94
79.79
77.46
79.63
+1.29%
617,876
08/12/2026
79.82
79.85
77.49
78.62
-2.07%
734,236
08/11/2026
78.27
80.42
78.27
80.28
+2.21%
1,023,728
08/10/2026
76.72
78.75
76.08
78.54
+2.09%
1,298,027
08/07/2026
76.41
78.60
75.79
76.93
0.00%
918,774
08/06/2026
79.21
80.01
76.81
76.93
-1.61%
906,624
08/05/2026
78.87
79.21
74.95
78.19
-2.34%
1,786,446
08/04/2026
72.35
80.08
72.21
80.07
+15.37%
3,009,323
08/04/2026
$2.01 Earnings
08/03/2026
69.67
70.51
68.22
69.40
-0.87%
2,219,119
07/31/2026
70.54
71.00
68.00
70.01
-1.70%
1,501,496
07/30/2026
72.01
72.39
70.49
71.22
-0.73%
1,377,600
07/29/2026
72.37
72.50
70.76
71.75
+0.12%
1,403,077
07/28/2026
72.66
73.80
71.39
71.66
-0.24%
894,651
07/27/2026
72.71
73.03
71.36
71.83
-2.02%
1,340,531
07/24/2026
74.58
74.58
72.93
73.31
-1.87%
1,198,656
07/23/2026
77.63
77.78
74.18
74.71
-2.37%
771,819
07/22/2026
76.44
77.45
75.61
76.52
+1.10%
895,412
07/21/2026
76.72
76.81
74.82
75.69
-0.90%
908,261
07/20/2026
76.54
77.15
75.47
76.37
-0.93%
542,067
07/17/2026
77.66
79.28
76.54
77.09
+0.71%
591,959
07/16/2026
75.94
77.63
75.91
76.54
+0.04%
549,860
07/15/2026
75.97
77.07
75.54
76.51
+0.01%
589,112
07/14/2026
76.56
77.46
74.75
76.50
+1.28%
759,650
07/13/2026
76.18
77.53
74.77
75.54
+0.77%
941,927
07/10/2026
74.78
75.23
74.15
74.96
+1.36%
774,139
07/09/2026
74.70
75.73
73.76
73.96
-1.74%
877,961
07/08/2026
77.18
78.05
75.23
75.27
-0.62%
1,401,474
07/07/2026
74.52
76.59
74.30
75.74
+1.97%
1,836,081
07/06/2026
73.43
74.74
72.20
74.28
+0.04%
1,366,672
07/02/2026
72.37
74.61
72.37
74.25
+2.68%
1,381,772
07/01/2026
71.36
73.74
70.73
72.31
-0.25%
1,844,472
06/30/2026
74.16
74.68
72.20
72.49
-2.30%
1,039,622
06/29/2026
75.91
76.00
73.22
74.20
-2.48%
1,322,216
06/26/2026
75.47
76.64
75.05
76.09
+0.10%
1,570,093
06/25/2026
74.73
76.27
74.14
76.01
+0.88%
1,885,093
06/24/2026
75.21
76.14
73.26
75.34
-0.80%
2,043,335
06/23/2026
76.83
77.77
75.73
75.95
-1.89%
988,310
06/22/2026
78.74
79.14
76.73
77.41
-2.90%
1,025,440
06/18/2026
82.36
82.51
79.53
79.72
-3.83%
1,731,737
06/17/2026
83.09
86.66
82.65
82.90
-1.01%
736,444
06/16/2026
86.28
87.05
83.34
83.74
-3.57%
1,121,500
06/15/2026
87.04
88.14
85.56
86.84
-1.19%
620,688
06/12/2026
86.84
88.85
85.93
87.88
+1.41%
770,809
06/11/2026
87.81
88.61
85.83
86.66
+0.17%
531,733
06/10/2026
85.90
88.36
85.21
86.51
+1.17%
1,179,533
06/09/2026
85.03
86.31
83.79
85.51
+1.00%
894,646
06/08/2026
83.79
85.18
83.16
84.67
+0.73%
914,802
06/05/2026
83.70
84.75
82.40
84.05
-0.72%
826,296