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: Dec 17, 2027
Days to expiration: 432
Share price: $165.79
Put/call ratio (OI): 0.16
Put/call ratio (volume): 0.30
ATM implied volatility: 82.3%
Expected move: ±$148.42
Open interest (C / P): 1.36K / 215

ENTG options summary

The ENTG options chain for the December 17, 2027 expiration lists 38 call and 28 put contracts, with 432 days until expiration. Open interest stands at 1,361 calls and 215 puts, a put/call ratio of 0.16, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $165.00 strike is 82.3%, which implies the market expects a move of about ±$148.42 (89.5%) in Entegris stock by expiration.

The most open interest sits at the $115.00 call (663 contracts) and the $130.00 put (53 contracts).

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

ENTG options chain · December 17, 2027

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
—	—	—	—	—	—	37.50	0.00	0.00	2.39	25.0%	10	0
—	—	—	—	—	—	40.00	0.30	4.00	3.43	87.7%	1	30
—	—	—	—	—	—	42.50	0.00	0.00	2.75	25.0%	—	0
—	—	—	—	—	—	47.50	0.00	0.00	4.38	25.0%	—	0
—	—	—	—	—	—	50.00	0.50	5.50	4.00	81.0%	5	7
0	—	—	45.60	33.50	38.00	55.00	—	—	—	—	—	—
1	1	—	38.45	29.50	34.00	65.00	1.10	5.50	6.50	66.5%	1	2
1	1	—	35.50	27.00	32.00	70.00	—	—	—	—	—	—
0	1	—	78.00	0.00	0.00	72.50	—	—	—	—	—	—
2	1	—	36.86	24.00	28.50	75.00	0.00	0.00	10.75	12.5%	—	0
1	1	—	25.05	32.50	37.50	77.50	17.50	22.50	13.70	111.2%	1	0
3	1	76.2%	73.54	93.00	97.50	80.00	3.00	7.20	7.28	61.1%	1	1
1	2	—	27.21	30.00	35.00	82.50	—	—	—	—	—	—
—	—	—	—	—	—	87.50	4.80	8.90	12.00	60.9%	—	2
0	1	—	60.05	0.00	0.00	90.00	—	—	—	—	—	—
0	—	—	22.74	22.80	27.50	95.00	6.80	10.90	11.63	60.5%	1	7
4	1	72.7%	57.00	79.00	83.50	100.00	—	—	—	—	—	—
1	9	—	23.30	11.50	16.50	105.00	—	—	—	—	—	—
35	1	28.1%	66.50	53.00	57.50	110.00	18.80	22.80	33.00	75.0%	—	2
663	1	70.5%	72.50	69.50	74.00	115.00	12.80	17.50	17.50	58.8%	1	25
63	6	38.1%	48.50	48.50	53.00	120.00	14.50	19.50	25.60	58.3%	—	10
19	8	41.2%	45.80	46.50	51.00	125.00	26.00	31.00	43.00	75.5%	—	7
280	1	68.9%	48.00	61.00	65.50	130.00	18.50	23.50	30.70	57.5%	11	53
13	2	68.6%	54.00	58.50	63.00	135.00	20.50	25.50	35.50	56.8%	1	5
30	1	68.2%	47.50	56.00	60.50	140.00	23.00	28.00	38.40	56.8%	9	24
22	1	67.7%	58.50	53.50	58.00	145.00	25.50	30.50	40.40	56.5%	5	15
43	13	67.4%	35.00	51.00	56.00	150.00	0.00	0.00	42.74	1.6%	3	0
12	11	49.8%	51.20	35.00	39.90	155.00	30.50	35.50	39.20	55.7%	1	8
11	7	50.9%	49.70	33.50	38.50	160.00	33.50	38.00	42.20	55.4%	8	8
0	9	—	49.90	0.00	0.00	165.00	54.50	59.00	51.60	82.3%	—	1
ENTG $165.79
0	1	0.8%	48.90	0.00	0.00	170.00	39.00	44.00	42.00	54.8%	4	4
13	15	53.4%	59.61	32.50	36.50	175.00	—	—	—	—	—	—
7	2	66.1%	29.52	39.50	44.00	180.00	—	—	—	—	—	—
17	2	65.8%	32.75	37.50	42.50	185.00	—	—	—	—	—	—
15	1	55.0%	55.92	28.50	33.00	190.00	—	—	—	—	—	—
10	7	64.7%	60.40	34.00	38.50	195.00	0.00	0.00	78.20	—	—	0
14	1	65.2%	20.88	33.00	37.50	200.00	80.00	84.50	90.14	83.3%	—	2
0	38	6.3%	29.72	0.00	0.00	210.00	90.00	94.50	79.75	86.7%	—	1
4	1	64.4%	32.30	27.50	32.00	220.00	98.00	103.00	87.25	87.5%	—	1
9	2	57.5%	30.50	20.50	25.00	230.00	—	—	—	—	—	—
5	3	54.1%	31.20	16.00	21.00	240.00	—	—	—	—	—	—
16	5	54.3%	18.95	14.50	19.30	250.00	—	—	—	—	—	—
15	22	63.1%	18.53	17.50	22.00	270.00	—	—	—	—	—	—
31	30	62.6%	12.04	15.50	20.50	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 December 17, 2027 expiration, the ENTG put/call ratio based on open interest is 0.16 (215 puts vs 1,361 calls), and 0.30 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 December 17, 2027 is about 82.3%, 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.