10 Day Snapshot for KLAC

Data as of Oct 19, 2026

Ten trading days of price, volume, volatility, and open-interest history. The highest value in each row is green, the lowest red.

DATA IS DELAYED — showing Oct 19, 2026. Subscribe to get the latest end-of-day data.

Last

151.38

Change

+12.89

Open

141.96

138.49

High

152.95

Low

141.51

Bid

Ask

Volume

21,204,044

Trades

Dividend

0.59

Yield

2.62%

Ex-Div

Aug 11, 2017

Split Date

Jan 19, 2000

Impl Vol

70.7%

Hist Vol

235.7%

Opt Volume

22,025

Open Int

437,712

10 Day Snapshot	10-06	10-07	10-08	10-09	10-12	10-13	10-14	10-15	10-16	10-19
Stock Price	197.46	196.83	196.72	195.57	190.12	184.00	178.81	174.46	165.74	166.40
Price Change	-9.39	-0.63	-0.11	-1.15	-5.45	-6.12	-5.19	-4.35	-8.72	0.66
Stock Volume	9.37M	6.89M	9.95M	5.29M	7.52M	9.98M	14.43M	13.69M	13.10M	11.47M
Historical Volatility	2.353	2.353	2.353	2.353	2.352	2.352	2.352	2.347	2.347	2.347
Implied Volatility	0.537	0.533	0.608	0.577	0.645	0.626	0.622	0.587	0.586	0.622
Call IVol	0.627	0.532	0.615	0.599	0.645	0.624	0.630	0.584	0.619	0.656
Put IVol	0.533	0.543	0.600	0.560	0.645	0.632	0.617	0.590	0.584	0.593
Option Volume	14.13K	9.11K	13.38K	17.02K	8.22K	11.92K	9.32K	27.64K	19.39K	10.12K
Call Volume	7.36K	4.44K	5.44K	14.66K	4.75K	6.46K	4.70K	19.21K	11.18K	7.24K
Put Volume	6.77K	4.67K	7.94K	2.36K	3.47K	5.46K	4.62K	8.43K	8.21K	2.88K
Open Interest	388.60K	394.32K	397.73K	397.28K	409.19K	413.75K	419.25K	419.55K	388.46K	365.72K
Call Open Interest	172.06K	173.48K	175.53K	171.79K	182.91K	185.08K	187.28K	188.32K	171.12K	157.99K
Put Open Interest	216.54K	220.84K	222.21K	225.49K	226.27K	228.67K	231.97K	231.23K	217.34K	207.73K
Put/Call Ratio	1.26	1.27	1.27	1.31	1.24	1.24	1.24	1.23	1.27	1.31
Call/Put IVol Ratio	1.176	0.979	1.026	1.070	1.000	0.987	1.021	0.991	1.061	1.106
Strike Peg (11-20)	211.38	211.38	211.37	211.34	211.30	211.15	210.84	210.76	210.64	209.57
Strike Peg (12-18)	176.60	176.61	176.60	176.65	176.56	176.57	176.56	176.56	176.52	176.17