NYSE · WLK

Westlake Corporation

Basic Materials · Chemicals - Specialty

$63.61

Down-$1.16 (-1.82%)

Updated Oct 16, 2026, 3:59 PM

SID Score

3.9/10

Composite research score

Smart Money

58/100

Neutral

Price performance · WLK

WLK price history

1M range · 21 trading sessions · Daily adjusted prices

Prices through Oct 15, 2026

Daily close

View OHLC price history

WLK OHLC price history, latest 40 sessions
Date	Open	High	Low	Close	Volume
Oct 15, 2026	$62.67	$64.10	$61.70	$63.61	701.32K
Oct 14, 2026	$61.50	$62.36	$61.00	$62.21	831.26K
Oct 13, 2026	$62.105	$63.33	$61.72	$61.86	740.7K
Oct 12, 2026	$61.86	$62.315	$60.99	$61.85	987.64K
Oct 9, 2026	$62.39	$62.79	$61.68	$62.29	766.08K
Oct 8, 2026	$61.50	$62.3525	$60.775	$62.31	1.17M
Oct 7, 2026	$62.83	$63.175	$59.84	$61.52	1.15M
Oct 6, 2026	$64.56	$64.80	$63.07	$63.39	916.74K
Oct 5, 2026	$63.24	$65.86	$62.28	$64.61	1.06M
Oct 2, 2026	$62.67	$64.9193	$61.80	$63.50	1.51M
Oct 1, 2026	$60.66	$62.55	$58.95	$62.47	2.17M
Sep 30, 2026	$63.01	$63.61	$62.30	$62.31	1.28M
Sep 29, 2026	$65.59	$65.59	$62.70	$63.39	1.5M
Sep 28, 2026	$67.65	$67.75	$66.305	$66.84	444.19K
Sep 25, 2026	$66.44	$67.75	$65.66	$67.71	645.76K
Sep 24, 2026	$68.40	$68.5626	$66.72	$66.76	585.33K
Sep 23, 2026	$68.97	$69.39	$68.345	$68.42	504.87K
Sep 22, 2026	$67.98	$70.30	$67.84	$68.80	694.65K
Sep 21, 2026	$69.40	$69.42	$67.74	$67.77	576.34K
Sep 18, 2026	$70.03	$70.07	$68.735	$69.07	721.35K
Sep 17, 2026	$71.26	$71.62	$69.825	$70.57	485.07K