Entegris (ENTG) Options Chain

NASDAQ: ENTGIndustrialsPlastic ProductsUSD

162.19-4.13 (-2.48%)

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

After hours: 162.19 0.00%

Expiration date

Expiration: Oct 16, 2026
Days to expiration: 8
Share price: $162.19
Put/call ratio (OI): 0.90
Put/call ratio (volume): 0.85
ATM implied volatility: 60.6%
Expected move: ±$14.55
Open interest (C / P): 6.01K / 5.41K

ENTG options summary

The ENTG options chain for the October 16, 2026 expiration lists 20 call and 15 put contracts, with 8 days until expiration. Open interest stands at 6,013 calls and 5,409 puts, a put/call ratio of 0.90, which is fairly balanced between calls and puts. At-the-money implied volatility near the $160.00 strike is 60.6%, which implies the market expects a move of about ±$14.55 (9.0%) in Entegris stock by expiration.

The most open interest sits at the $210.00 call (1.72K contracts) and the $105.00 put (2.09K contracts).

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

ENTG options chain · October 16, 2026

ENTG 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
2	—	115.6%	49.80	65.40	69.00	95.00	0.00	1.85	0.10	211.5%	1	9
—	—	—	—	—	—	100.00	0.00	0.95	0.83	170.5%	2	4
—	—	—	—	—	—	105.00	0.00	0.20	0.20	122.1%	180	2,089
—	—	—	—	—	—	110.00	0.00	1.00	0.46	142.6%	1	20
1	—	92.6%	20.52	45.50	49.00	115.00	0.00	1.15	0.05	132.2%	1	740
3	1	82.2%	16.88	40.50	44.00	120.00	0.00	1.35	0.20	122.6%	1	40
1	1	135.4%	27.80	35.50	38.80	125.00	0.00	1.10	0.11	104.2%	2	35
4	1	119.9%	37.20	30.50	33.80	130.00	0.00	2.10	0.55	106.5%	12	45
2	1	100.5%	15.10	25.70	28.60	135.00	0.00	0.85	0.25	74.2%	5	88
98	1	87.7%	28.08	20.90	23.70	140.00	0.00	1.55	0.25	72.1%	1	587
42	1	57.4%	23.92	16.40	19.40	145.00	0.05	2.15	1.18	65.4%	1	139
1,360	3	57.6%	12.70	12.20	15.20	150.00	0.55	3.30	2.25	63.5%	2	11
29	1	56.8%	14.00	8.70	11.20	155.00	2.65	3.40	3.60	59.8%	1	22
1,198	9	62.4%	8.50	6.70	8.20	160.00	4.40	5.40	3.92	58.8%	10	33
ENTG $162.19
93	5	60.6%	6.00	3.90	5.90	165.00	6.90	9.00	8.70	62.9%	3	1,547
29	16	62.7%	2.20	2.50	4.20	170.00	—	—	—	—	—	—
1,322	188	62.5%	1.62	1.35	2.80	175.00	—	—	—	—	—	—
40	10	62.7%	2.10	0.45	2.05	180.00	—	—	—	—	—	—
39	3	67.1%	1.53	0.05	1.80	185.00	—	—	—	—	—	—
2	1	78.1%	1.50	0.00	2.00	190.00	—	—	—	—	—	—
16	1	88.2%	0.25	0.00	2.10	195.00	—	—	—	—	—	—
15	1	93.2%	0.25	0.00	1.80	200.00	—	—	—	—	—	—
1,717	19	68.0%	0.25	0.00	0.10	210.00	—	—	—	—	—	—

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 ENTG put/call ratio?

For the October 16, 2026 expiration, the ENTG put/call ratio based on open interest is 0.90 (5,409 puts vs 6,013 calls), and 0.85 based on today's volume. A ratio above 1 means more puts than calls.

What is ENTG's implied volatility?

At-the-money implied volatility for ENTG options expiring October 16, 2026 is about 60.6%, an annualized estimate of how much the market expects Entegris stock to move.

How many ENTG option expiration dates are there?

ENTG has 9 listed expiration dates, from Oct 16, 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.