KLA (KLAC) Options Chain

NASDAQ: KLACTechnologyElectronic ComponentsUSD

196.72-0.11 (-0.06%)

At close: Oct 8, 4:00 PM ET · Delayed 15 min

After hours: 197.32 +0.31%

Expiration date

Expiration: Oct 9, 2026
Days to expiration: 1
Share price: $196.72
Put/call ratio (OI): 0.60
Put/call ratio (volume): 1.34
ATM implied volatility: 55.8%
Expected move: ±$5.74
Open interest (C / P): 8.86K / 5.36K

KLAC options summary

The KLAC options chain for the October 9, 2026 expiration lists 38 call and 36 put contracts, with 1 day until expiration. Open interest stands at 8,861 calls and 5,360 puts, a put/call ratio of 0.60, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $197.50 strike is 55.8%, which implies the market expects a move of about ±$5.74 (2.9%) in KLA stock by expiration.

The most open interest sits at the $205.00 call (2.94K contracts) and the $180.00 put (1.07K contracts).

Summary generated from market data by MetaCap's automated system. Methodology

KLAC options chain · October 9, 2026

KLAC calls and puts by strike price. Shaded cells are in the money.
Calls							Puts
OI	Vol	IV	Last	Bid	Ask	Strike	Bid	Ask	Last	IV	Vol	OI
—	—	—	—	—	—	115.00	0.00	4.90	0.52	539.4%	—	1
—	—	—	—	—	—	120.00	0.00	4.90	0.19	504.3%	4	4
—	—	—	—	—	—	125.00	0.00	4.90	0.23	470.5%	—	3
—	—	—	—	—	—	130.00	0.00	4.90	0.37	437.9%	1	1
3	—	383.6%	48.79	58.70	63.70	135.00	0.00	4.90	0.15	406.3%	3	9
—	—	—	—	—	—	140.00	0.00	4.90	0.29	375.6%	4	5
—	—	—	—	—	—	145.00	0.00	2.20	0.08	280.7%	15	673
7	3	288.8%	45.99	43.70	48.50	150.00	0.00	0.25	0.13	171.1%	3	92
—	—	—	—	—	—	155.00	0.00	4.90	0.11	287.8%	3	85
—	—	—	—	—	—	157.50	0.00	4.90	0.70	273.6%	—	2
—	—	—	—	—	—	160.00	0.00	4.90	0.11	259.6%	12	43
—	—	—	—	—	—	162.50	0.00	4.90	0.29	245.7%	1	45
12	4	212.7%	24.11	28.80	33.60	165.00	0.00	0.10	0.08	103.1%	6	264
2	4	196.2%	29.00	26.30	31.00	167.50	0.00	4.90	0.05	218.0%	1	7
606	3	186.5%	28.50	23.50	28.60	170.00	0.00	0.35	0.04	105.9%	3	517
3	3	176.5%	17.51	21.40	26.20	172.50	0.00	0.40	0.16	99.4%	3	23
65	4	163.2%	17.49	18.80	23.70	175.00	0.00	2.25	0.42	135.8%	1	186
3	1	149.8%	25.87	16.10	21.20	177.50	0.00	0.50	0.05	84.9%	40	44
98	3	70.6%	20.59	13.60	20.20	180.00	0.00	0.50	0.23	75.5%	47	1,074
169	2	122.8%	12.45	11.40	16.20	182.50	0.00	0.25	0.10	57.4%	18	62
250	7	106.6%	16.00	9.00	13.60	185.00	0.05	0.35	0.20	53.7%	50	182
307	5	112.1%	20.16	6.60	12.00	187.50	0.20	0.65	0.29	53.8%	77	82
96	16	106.1%	11.00	4.60	10.00	190.00	0.30	1.50	0.65	56.0%	1,282	851
348	2	74.2%	3.90	3.90	6.70	192.50	0.60	1.80	1.30	61.2%	144	174
244	151	82.9%	3.62	1.95	5.70	195.00	1.55	2.15	1.70	50.7%	46	357
KLAC $196.72
91	129	51.5%	2.33	2.05	3.20	197.50	2.70	5.10	3.00	60.1%	30	250
2,630	223	55.1%	1.33	0.55	1.85	200.00	4.00	5.60	4.88	63.7%	61	189
54	141	47.3%	0.65	0.55	0.80	202.50	4.00	9.30	8.23	101.3%	14	33
2,935	607	51.7%	0.45	0.30	0.80	205.00	6.10	12.40	5.00	63.0%	2	24
113	18	52.3%	0.18	0.05	0.30	207.50	8.50	13.70	7.30	53.1%	14	36
201	70	66.3%	0.15	0.05	0.80	210.00	11.30	17.20	13.10	84.4%	2	18
50	3	89.8%	1.70	0.00	1.65	212.50	13.10	18.20	8.64	131.4%	3	12
109	2	51.2%	0.10	0.00	0.05	215.00	16.40	21.30	10.20	89.6%	7	7
37	10	107.1%	0.03	0.00	1.60	217.50	—	—	—	—	—	—
214	4	83.2%	0.11	0.00	0.35	220.00	21.40	26.30	16.20	106.3%	1	4
90	1	151.1%	0.10	0.00	3.20	222.50	—	—	—	—	—	—
63	1	73.4%	0.05	0.00	0.05	225.00	26.40	31.30	39.02	121.9%	1	1
28	3	202.7%	0.05	0.00	4.90	230.00	—	—	—	—	—	—
13	1	124.2%	0.05	0.00	0.40	235.00	—	—	—	—	—	—
4	2	237.3%	0.09	0.00	4.90	240.00	—	—	—	—	—	—
2	1	253.4%	0.05	0.00	4.90	245.00	—	—	—	—	—	—
3	—	121.9%	0.10	0.00	0.05	250.00	—	—	—	—	—	—
1	1	283.9%	0.10	0.00	4.90	255.00	—	—	—	—	—	—
3	2	298.3%	0.94	0.00	4.90	260.00	—	—	—	—	—	—
1	—	312.3%	0.57	0.00	4.90	265.00	—	—	—	—	—	—
1	—	276.0%	1.00	0.00	2.45	270.00	71.40	76.30	69.82	237.1%	12	0
2	1	338.9%	1.00	0.00	4.90	275.00	—	—	—	—	—	—
3	2	351.6%	0.48	0.00	4.90	280.00	—	—	—	—	—	—

In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.

Frequently asked questions

What is the KLAC put/call ratio?

For the October 9, 2026 expiration, the KLAC put/call ratio based on open interest is 0.60 (5,360 puts vs 8,861 calls), and 1.34 based on today's volume. A ratio above 1 means more puts than calls.

What is KLAC's implied volatility?

At-the-money implied volatility for KLAC options expiring October 9, 2026 is about 55.8%, an annualized estimate of how much the market expects KLA stock to move.

How many KLAC option expiration dates are there?

KLAC has 14 listed expiration dates, from Oct 9, 2026 to Jan 19, 2029.

What does "in the money" mean?

A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.