Entegris (ENTG) Options Chain

NASDAQ: ENTGIndustrialsPlastic ProductsUSD

165.79+3.60 (+2.22%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Jan 21, 2028
Days to expiration: 468
Share price: $165.79
Put/call ratio (OI): 0.38
Put/call ratio (volume): 0.50
ATM implied volatility: 33.7%
Expected move: ±$63.27
Open interest (C / P): 1.88K / 724

ENTG options summary

The ENTG options chain for the January 21, 2028 expiration lists 40 call and 29 put contracts, with 468 days until expiration. Open interest stands at 1,883 calls and 724 puts, a put/call ratio of 0.38, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $165.00 strike is 33.7%, which implies the market expects a move of about ±$63.27 (38.2%) in Entegris stock by expiration.

The most open interest sits at the $170.00 call (301 contracts) and the $37.50 put (263 contracts).

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

ENTG options chain · January 21, 2028

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	2	93.1%	120.00	128.50	133.50	37.50	1.00	6.00	1.65	99.7%	1	263
—	—	—	—	—	—	40.00	0.20	3.30	4.50	80.4%	1	13
—	—	—	—	—	—	42.50	0.00	0.00	2.90	25.0%	4	0
—	—	—	—	—	—	45.00	0.50	5.50	2.23	84.3%	1	2
1	—	—	37.51	54.00	58.50	50.00	0.05	3.20	3.50	67.3%	1	3
2	—	—	107.50	83.50	88.00	55.00	2.50	7.50	3.93	83.4%	—	1
—	—	—	—	—	—	60.00	4.50	9.30	10.15	86.0%	4	6
1	1	—	32.30	59.50	64.00	70.00	1.50	6.50	5.45	62.7%	4	3
0	1	78.5%	81.50	99.50	104.50	72.50	—	—	—	—	—	—
10	1	78.0%	70.15	98.00	102.30	75.00	2.50	7.40	11.40	62.4%	2	2
—	—	—	—	—	—	77.50	13.50	18.50	7.70	95.4%	20	21
0	7	—	72.48	0.00	0.00	80.00	0.00	0.00	12.27	12.5%	25	0
2	1	—	69.61	69.50	73.50	85.00	11.60	16.30	19.23	81.0%	—	4
—	—	—	—	—	—	87.50	10.50	15.50	18.16	75.8%	—	141
0	2	—	75.50	0.00	0.00	90.00	—	—	—	—	—	—
0	1	—	88.00	0.00	0.00	95.00	—	—	—	—	—	—
4	—	—	28.00	17.00	21.50	97.50	—	—	—	—	—	—
214	1	—	53.00	59.50	64.00	100.00	8.50	13.40	13.45	59.4%	2	4
2	1	71.9%	64.32	77.00	81.50	105.00	10.00	13.80	16.89	57.5%	1	0
0	3	—	63.00	0.00	0.00	110.00	12.10	16.20	23.40	58.4%	1	16
11	1	36.2%	48.07	52.00	56.50	115.00	13.50	18.10	25.80	57.7%	1	15
22	1	68.8%	53.32	68.00	71.40	120.00	15.70	20.00	28.90	57.6%	3	44
0	2	—	57.00	0.00	0.00	125.00	17.50	22.10	20.01	57.1%	1	42
0	5	—	55.90	0.00	0.00	130.00	19.50	24.30	27.20	56.8%	1	51
30	9	45.3%	43.10	43.50	48.20	135.00	22.00	25.90	29.40	56.1%	3	47
48	1	68.8%	46.00	58.00	62.50	140.00	24.50	29.00	32.35	56.5%	3	15
70	2	68.2%	35.00	55.50	60.00	145.00	0.00	0.00	43.60	3.1%	2	0
121	1	68.2%	36.00	53.50	58.00	150.00	29.50	34.00	30.30	55.9%	1	5
25	2	67.8%	38.50	51.00	56.00	155.00	0.00	0.00	49.80	1.6%	4	0
36	3	67.6%	31.80	49.00	54.00	160.00	0.00	0.00	48.40	0.8%	4	0
26	1	67.3%	41.00	47.00	52.00	165.00	0.00	0.00	54.50	0.1%	13	0
ENTG $165.79
301	1	66.9%	38.50	45.00	50.00	170.00	40.50	45.00	44.50	54.4%	4	7
49	4	66.8%	28.10	43.50	48.00	175.00	43.50	48.00	47.50	54.1%	11	19
52	2	66.3%	27.00	41.50	46.00	180.00	—	—	—	—	—	—
64	4	66.0%	25.90	39.50	44.50	185.00	—	—	—	—	—	—
96	5	65.9%	25.10	38.00	43.00	190.00	—	—	—	—	—	—
22	21	65.8%	31.80	36.50	41.50	195.00	—	—	—	—	—	—
175	2	65.3%	28.00	35.00	39.50	200.00	—	—	—	—	—	—
106	105	65.0%	28.60	32.00	37.00	210.00	—	—	—	—	—	—
98	3	64.5%	33.50	29.50	34.00	220.00	—	—	—	—	—	—
63	2	64.1%	31.18	27.00	31.50	230.00	—	—	—	—	—	—
41	9	63.7%	28.25	24.50	29.50	240.00	—	—	—	—	—	—
105	1	63.5%	26.77	22.50	27.50	250.00	—	—	—	—	—	—
25	2	63.1%	22.20	20.50	25.50	260.00	—	—	—	—	—	—
0	4	6.3%	22.40	0.00	0.00	270.00	—	—	—	—	—	—
59	20	63.0%	19.50	17.50	22.50	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 ENTG put/call ratio?

For the January 21, 2028 expiration, the ENTG put/call ratio based on open interest is 0.38 (724 puts vs 1,883 calls), and 0.50 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 January 21, 2028 is about 33.7%, 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.