ENTG · Entegris Inc

Track ENTG — free Ask ALVIS about ENTG

$119.05 +1.94 (+1.66%) At close · Jul 31

Market Cap

$18.16B

152.50M

Options Chain

15-min delayed Underlying $119.05 · at close Jul 31, 2026 Options Calculator

Positioning

Aug 21, 2026 · 20 days to expiry · 92 contracts

Put / call OI

0.34

Call-heavy positioning

Open interest

16,982

contracts outstanding

Volume

1,137

traded today

Max pain

$130.00

$10.95 above spot

ATM implied vol

102.1%

market's expected move

Open interest by strike · near the money

Calls Puts

47.5

77.5

82.5

87.5

92.5

97.5

100

105

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115

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135

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Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 20d Sep 18 48d Nov 20 111d Jan 15 167d Feb 19 202d Dec 17 503d Jan 21 538d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	282.9%	0.965	—		$0.45	-0.017	226.4%	1	12
Call · $45 In the money Last — Breakeven — Implied vol 282.9% Delta 0.965 ≈96% ITM Gamma 0.001 Theta -0.157 Vega 0.028 Open interest 0 Model this call Put · $45 Last $0.45 Breakeven $44.55 Implied vol 226.4% Delta -0.017 ≈2% ITM Gamma 0.001 Theta -0.067 Vega 0.017 Open interest 12 Model this put
0	—	264.5%	0.964	—		$0.06	-0.018	214.5%	1	3
Call · $47.5 In the money Last — Breakeven — Implied vol 264.5% Delta 0.964 ≈96% ITM Gamma 0.001 Theta -0.149 Vega 0.017 Open interest 0 Model this call Put · $47.5 Last $0.06 Breakeven $47.44 Implied vol 214.5% Delta -0.018 ≈2% ITM Gamma 0.001 Theta -0.066 Vega 0.017 Open interest 3 Model this put
0	—	255.9%	0.96	—		$0.30	-0.018	200.4%	1	5
Call · $50 In the money Last — Breakeven — Implied vol 255.9% Delta 0.96 ≈96% ITM Gamma 0.001 Theta -0.157 Vega 0.03 Open interest 0 Model this call Put · $50 Last $0.30 Breakeven $49.70 Implied vol 200.4% Delta -0.018 ≈2% ITM Gamma 0.001 Theta -0.061 Vega 0.018 Open interest 5 Model this put
0	—	216.7%	0.962	—		$0.25	-0.021	182.2%	10	16
Call · $55 In the money Last — Breakeven — Implied vol 216.7% Delta 0.962 ≈96% ITM Gamma 0.001 Theta -0.128 Vega 0.019 Open interest 0 Model this call Put · $55 Last $0.25 Breakeven $54.75 Implied vol 182.2% Delta -0.021 ≈2% ITM Gamma 0.001 Theta -0.064 Vega 0.019 Open interest 16 Model this put
0	—	202.1%	0.954	—		$0.30	-0.026	165.8%	132	434
Call · $60 In the money Last — Breakeven — Implied vol 202.1% Delta 0.954 ≈95% ITM Gamma 0.002 Theta -0.14 Vega 0.034 Open interest 0 Model this call Put · $60 Last $0.30 Breakeven $59.70 Implied vol 165.8% Delta -0.026 ≈3% ITM Gamma 0.001 Theta -0.068 Vega 0.02 Open interest 434 Model this put
0	—	178%	0.951	—		$0.10	-0.039	164.1%	2	31
Call · $65 In the money Last — Breakeven — Implied vol 178% Delta 0.951 ≈95% ITM Gamma 0.002 Theta -0.13 Vega 0.035 Open interest 0 Model this call Put · $65 Last $0.10 Breakeven $64.90 Implied vol 164.1% Delta -0.039 ≈4% ITM Gamma 0.002 Theta -0.097 Vega 0.02 Open interest 31 Model this put
0	—	176.2%	0.93	—		$0.80	-0.018	114.2%	1	43
Call · $70 In the money Last — Breakeven — Implied vol 176.2% Delta 0.93 ≈93% ITM Gamma 0.003 Theta -0.169 Vega 0.037 Open interest 0 Model this call Put · $70 Last $0.80 Breakeven $69.20 Implied vol 114.2% Delta -0.018 ≈2% ITM Gamma 0.001 Theta -0.034 Vega 0.011 Open interest 43 Model this put
0	—	173.3%	0.909	—		$0.60	-0.039	120.4%	1	45
Call · $75 In the money Last — Breakeven — Implied vol 173.3% Delta 0.909 ≈91% ITM Gamma 0.003 Theta -0.204 Vega 0.038 Open interest 0 Model this call Put · $75 Last $0.60 Breakeven $74.40 Implied vol 120.4% Delta -0.039 ≈4% ITM Gamma 0.003 Theta -0.07 Vega 0.022 Open interest 45 Model this put
1	1	162.8%	0.905	$67.20		—	-0.069	135.8%	—	10
Call · $77.5 In the money Last $67.20 Breakeven $144.70 Implied vol 162.8% Delta 0.905 ≈90% ITM Gamma 0.004 Theta -0.199 Vega 0.039 Open interest 1 Model this call Put · $77.5 Last — Breakeven — Implied vol 135.8% Delta -0.069 ≈7% ITM Gamma 0.004 Theta -0.123 Vega 0.039 Open interest 10 Model this put
1	1	159.8%	0.892	$53.30		$1.47	-0.06	118.7%	6	7
Call · $80 In the money Last $53.30 Breakeven $133.30 Implied vol 159.8% Delta 0.892 ≈89% ITM Gamma 0.004 Theta -0.212 Vega 0.059 Open interest 1 Model this call Put · $80 Last $1.47 Breakeven $78.53 Implied vol 118.7% Delta -0.06 ≈6% ITM Gamma 0.004 Theta -0.098 Vega 0.039 Open interest 7 Model this put
0	—	152.5%	0.882	—		$0.80	-0.06	108.4%	1	5
Call · $82.5 In the money Last — Breakeven — Implied vol 152.5% Delta 0.882 ≈88% ITM Gamma 0.005 Theta -0.214 Vega 0.06 Open interest 0 Model this call Put · $82.5 Last $0.80 Breakeven $81.70 Implied vol 108.4% Delta -0.06 ≈6% ITM Gamma 0.004 Theta -0.089 Vega 0.04 Open interest 5 Model this put
3	1	148.7%	0.868	$30.50		$1.29	-0.073	105.7%	1	11
Call · $85 In the money Last $30.50 Breakeven $115.50 Implied vol 148.7% Delta 0.868 ≈87% ITM Gamma 0.005 Theta -0.225 Vega 0.061 Open interest 3 Model this call Put · $85 Last $1.29 Breakeven $83.71 Implied vol 105.7% Delta -0.073 ≈7% ITM Gamma 0.005 Theta -0.1 Vega 0.041 Open interest 11 Model this put
0	—	146.6%	0.852	—		$1.10	-0.101	113.4%	1	14
Call · $87.5 In the money Last — Breakeven — Implied vol 146.6% Delta 0.852 ≈85% ITM Gamma 0.006 Theta -0.24 Vega 0.062 Open interest 0 Model this call Put · $87.5 Last $1.10 Breakeven $86.40 Implied vol 113.4% Delta -0.101 ≈10% ITM Gamma 0.006 Theta -0.14 Vega 0.041 Open interest 14 Model this put
0	12	142.3%	0.838	$33.23		$3.70	-0.117	110.1%	1	15
Call · $90 In the money Last $33.23 Breakeven $123.23 Implied vol 142.3% Delta 0.838 ≈84% ITM Gamma 0.006 Theta -0.249 Vega 0.063 Open interest 0 Model this call Put · $90 Last $3.70 Breakeven $86.30 Implied vol 110.1% Delta -0.117 ≈12% ITM Gamma 0.007 Theta -0.149 Vega 0.063 Open interest 15 Model this put
0	—	138.8%	0.822	—		$2.10	-0.136	107.2%	1	9
Call · $92.5 In the money Last — Breakeven — Implied vol 138.8% Delta 0.822 ≈82% ITM Gamma 0.007 Theta -0.26 Vega 0.064 Open interest 0 Model this call Put · $92.5 Last $2.10 Breakeven $90.40 Implied vol 107.2% Delta -0.136 ≈14% ITM Gamma 0.007 Theta -0.16 Vega 0.064 Open interest 9 Model this put
3	1	135.1%	0.803	$20.20		$3.10	-0.153	102.8%	1	36
Call · $95 In the money Last $20.20 Breakeven $115.20 Implied vol 135.1% Delta 0.803 ≈80% ITM Gamma 0.008 Theta -0.268 Vega 0.085 Open interest 3 Model this call Put · $95 Last $3.10 Breakeven $91.90 Implied vol 102.8% Delta -0.153 ≈15% ITM Gamma 0.008 Theta -0.166 Vega 0.065 Open interest 36 Model this put
2	1	131.9%	0.782	$18.50		$3.30	-0.179	103.1%	1	41
Call · $97.5 In the money Last $18.50 Breakeven $116.00 Implied vol 131.9% Delta 0.782 ≈78% ITM Gamma 0.008 Theta -0.276 Vega 0.086 Open interest 2 Model this call Put · $97.5 Last $3.30 Breakeven $94.20 Implied vol 103.1% Delta -0.179 ≈18% ITM Gamma 0.009 Theta -0.186 Vega 0.066 Open interest 41 Model this put
10	7	128.8%	0.759	$25.30		$3.44	-0.209	104.3%	47	139
Call · $100 In the money Last $25.30 Breakeven $125.30 Implied vol 128.8% Delta 0.759 ≈76% ITM Gamma 0.009 Theta -0.284 Vega 0.087 Open interest 10 Model this call Put · $100 Last $3.44 Breakeven $96.56 Implied vol 104.3% Delta -0.209 ≈21% ITM Gamma 0.01 Theta -0.207 Vega 0.087 Open interest 139 Model this put
7	1	119.5%	0.714	$40.85		$5.52	-0.27	101.9%	5	215
Call · $105 In the money Last $40.85 Breakeven $145.85 Implied vol 119.5% Delta 0.714 ≈71% ITM Gamma 0.01 Theta -0.29 Vega 0.089 Open interest 7 Model this call Put · $105 Last $5.52 Breakeven $99.48 Implied vol 101.9% Delta -0.27 ≈27% ITM Gamma 0.012 Theta -0.231 Vega 0.089 Open interest 215 Model this put
318	1	119%	0.655	$12.59		$6.80	-0.335	98.8%	1	226
Call · $110 In the money Last $12.59 Breakeven $122.59 Implied vol 119% Delta 0.655 ≈65% ITM Gamma 0.011 Theta -0.31 Vega 0.105 Open interest 318 Model this call Put · $110 Last $6.80 Breakeven $103.20 Implied vol 98.8% Delta -0.335 ≈33% ITM Gamma 0.014 Theta -0.248 Vega 0.105 Open interest 226 Model this put
48	5	111.9%	0.593	$12.00		$8.80	-0.408	96.5%	2	682
Call · $115 In the money Last $12.00 Breakeven $127.00 Implied vol 111.9% Delta 0.593 ≈59% ITM Gamma 0.013 Theta -0.307 Vega 0.107 Open interest 48 Model this call Put · $115 Last $8.80 Breakeven $106.20 Implied vol 96.5% Delta -0.408 ≈41% ITM Gamma 0.015 Theta -0.256 Vega 0.107 Open interest 682 Model this put
Underlying $119.05
178	2	109.9%	0.528	$11.80		$10.80	-0.483	94.3%	1	95
Call · $120 Last $11.80 Breakeven $131.80 Implied vol 109.9% Delta 0.528 ≈53% ITM Gamma 0.013 Theta -0.31 Vega 0.11 Open interest 178 Model this call Put · $120 In the money Last $10.80 Breakeven $109.20 Implied vol 94.3% Delta -0.483 ≈48% ITM Gamma 0.015 Theta -0.257 Vega 0.11 Open interest 95 Model this put
104	1	109.8%	0.465	$11.10		$13.13	-0.562	91.6%	27	411
Call · $125 Last $11.10 Breakeven $136.10 Implied vol 109.8% Delta 0.465 ≈47% ITM Gamma 0.013 Theta -0.307 Vega 0.112 Open interest 104 Model this call Put · $125 In the money Last $13.13 Breakeven $111.87 Implied vol 91.6% Delta -0.562 ≈56% ITM Gamma 0.016 Theta -0.245 Vega 0.112 Open interest 411 Model this put
1k	2	109.9%	0.403	$8.50		$15.85	-0.637	89.4%	20	349
Call · $130 Last $8.50 Breakeven $138.50 Implied vol 109.9% Delta 0.403 ≈40% ITM Gamma 0.013 Theta -0.303 Vega 0.1 Open interest 1k Model this call Put · $130 In the money Last $15.85 Breakeven $114.15 Implied vol 89.4% Delta -0.637 ≈64% ITM Gamma 0.015 Theta -0.227 Vega 0.1 Open interest 349 Model this put
215	1	100.6%	0.329	$6.00		$23.50	-0.708	88%	1	94
Call · $135 Last $6.00 Breakeven $141.00 Implied vol 100.6% Delta 0.329 ≈33% ITM Gamma 0.013 Theta -0.255 Vega 0.102 Open interest 215 Model this call Put · $135 In the money Last $23.50 Breakeven $111.50 Implied vol 88% Delta -0.708 ≈71% ITM Gamma 0.014 Theta -0.203 Vega 0.102 Open interest 94 Model this put
190	1	103.2%	0.279	$4.70		$23.40	-0.779	83.7%	30	175
Call · $140 Last $4.70 Breakeven $144.70 Implied vol 103.2% Delta 0.279 ≈28% ITM Gamma 0.012 Theta -0.246 Vega 0.104 Open interest 190 Model this call Put · $140 In the money Last $23.40 Breakeven $116.60 Implied vol 83.7% Delta -0.779 ≈78% ITM Gamma 0.013 Theta -0.164 Vega 0.08 Open interest 175 Model this put
1.9k	30	103.8%	0.237	$3.80		$36.10	-0.852	78.7%	1	105
Call · $145 Last $3.80 Breakeven $148.80 Implied vol 103.8% Delta 0.237 ≈24% ITM Gamma 0.011 Theta -0.225 Vega 0.081 Open interest 1.9k Model this call Put · $145 In the money Last $36.10 Breakeven $108.90 Implied vol 78.7% Delta -0.852 ≈85% ITM Gamma 0.011 Theta -0.119 Vega 0.054 Open interest 105 Model this put
957	1	102.7%	0.192	$3.20		$31.00	-0.897	76.5%	1	264
Call · $150 Last $3.20 Breakeven $153.20 Implied vol 102.7% Delta 0.192 ≈19% ITM Gamma 0.01 Theta -0.196 Vega 0.083 Open interest 957 Model this call Put · $150 In the money Last $31.00 Breakeven $119.00 Implied vol 76.5% Delta -0.897 ≈90% ITM Gamma 0.009 Theta -0.087 Vega 0.054 Open interest 264 Model this put
1.5k	324	111.8%	0.182	$2.10		$28.80	—	—	3	66
Call · $155 Last $2.10 Breakeven $157.10 Implied vol 111.8% Delta 0.182 ≈18% ITM Gamma 0.009 Theta -0.207 Vega 0.084 Open interest 1.5k Model this call Put · $155 In the money Last $28.80 Breakeven $126.20 Implied vol — Delta — Gamma — Theta — Vega — Open interest 66 Model this put
723	5	108%	0.142	$2.01		$32.30	—	—	3	367
Call · $160 Last $2.01 Breakeven $162.01 Implied vol 108% Delta 0.142 ≈14% ITM Gamma 0.008 Theta -0.17 Vega 0.057 Open interest 723 Model this call Put · $160 In the money Last $32.30 Breakeven $127.70 Implied vol — Delta — Gamma — Theta — Vega — Open interest 367 Model this put
127	11	104.2%	0.106	$1.30		$32.45	—	—	1	11
Call · $165 Last $1.30 Breakeven $166.30 Implied vol 104.2% Delta 0.106 ≈11% ITM Gamma 0.006 Theta -0.133 Vega 0.058 Open interest 127 Model this call Put · $165 In the money Last $32.45 Breakeven $132.55 Implied vol — Delta — Gamma — Theta — Vega — Open interest 11 Model this put
2.2k	38	114.5%	0.111	$1.15		$49.83	—	—	1	5
Call · $170 Last $1.15 Breakeven $171.15 Implied vol 114.5% Delta 0.111 ≈11% ITM Gamma 0.006 Theta -0.15 Vega 0.059 Open interest 2.2k Model this call Put · $170 In the money Last $49.83 Breakeven $120.17 Implied vol — Delta — Gamma — Theta — Vega — Open interest 5 Model this put
452	43	120.7%	0.105	$0.95		$46.29	—	—	1	89
Call · $175 Last $0.95 Breakeven $175.95 Implied vol 120.7% Delta 0.105 ≈11% ITM Gamma 0.005 Theta -0.153 Vega 0.059 Open interest 452 Model this call Put · $175 In the money Last $46.29 Breakeven $128.71 Implied vol — Delta — Gamma — Theta — Vega — Open interest 89 Model this put
1k	1	122.4%	0.089	$1.00		$30.80	—	—	4	116
Call · $180 Last $1.00 Breakeven $181.00 Implied vol 122.4% Delta 0.089 ≈9% ITM Gamma 0.005 Theta -0.138 Vega 0.035 Open interest 1k Model this call Put · $180 In the money Last $30.80 Breakeven $149.20 Implied vol — Delta — Gamma — Theta — Vega — Open interest 116 Model this put
200	1	130.4%	0.09	$2.53		$47.70	—	—	1	74
Call · $185 Last $2.53 Breakeven $187.53 Implied vol 130.4% Delta 0.09 ≈9% ITM Gamma 0.005 Theta -0.149 Vega 0.035 Open interest 200 Model this call Put · $185 In the money Last $47.70 Breakeven $137.30 Implied vol — Delta — Gamma — Theta — Vega — Open interest 74 Model this put
127	1	134%	0.085	$2.84		$37.33	—	—	1	1
Call · $190 Last $2.84 Breakeven $192.84 Implied vol 134% Delta 0.085 ≈9% ITM Gamma 0.004 Theta -0.146 Vega 0.036 Open interest 127 Model this call Put · $190 In the money Last $37.33 Breakeven $152.67 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this put
25	2	138.3%	0.082	$3.10		—	—	—	—	0
Call · $195 Last $3.10 Breakeven $198.10 Implied vol 138.3% Delta 0.082 ≈8% ITM Gamma 0.004 Theta -0.145 Vega 0.036 Open interest 25 Model this call Put · $195 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
230	21	116.9%	0.036	$0.25		$53.20	—	—	102	100
Call · $200 Last $0.25 Breakeven $200.25 Implied vol 116.9% Delta 0.036 ≈4% ITM Gamma 0.002 Theta -0.064 Vega 0.018 Open interest 230 Model this call Put · $200 In the money Last $53.20 Breakeven $146.80 Implied vol — Delta — Gamma — Theta — Vega — Open interest 100 Model this put
369	60	156.3%	0.082	$0.50		$51.85	—	—	1	3
Call · $210 Last $0.50 Breakeven $210.50 Implied vol 156.3% Delta 0.082 ≈8% ITM Gamma 0.003 Theta -0.164 Vega 0.037 Open interest 369 Model this call Put · $210 In the money Last $51.85 Breakeven $158.15 Implied vol — Delta — Gamma — Theta — Vega — Open interest 3 Model this put
663	1	163.8%	0.076	$0.90		$49.80	—	—	50	0
Call · $220 Last $0.90 Breakeven $220.90 Implied vol 163.8% Delta 0.076 ≈8% ITM Gamma 0.003 Theta -0.163 Vega 0.038 Open interest 663 Model this call Put · $220 In the money Last $49.80 Breakeven $170.20 Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
83	25	146.7%	0.037	$1.82		$56.80	—	—	32	13
Call · $230 Last $1.82 Breakeven $231.82 Implied vol 146.7% Delta 0.037 ≈4% ITM Gamma 0.002 Theta -0.083 Vega 0.02 Open interest 83 Model this call Put · $230 In the money Last $56.80 Breakeven $173.20 Implied vol — Delta — Gamma — Theta — Vega — Open interest 13 Model this put
2	10	147.5%	0.029	$0.65		—	—	—	—	0
Call · $240 Last $0.65 Breakeven $240.65 Implied vol 147.5% Delta 0.029 ≈3% ITM Gamma 0.002 Theta -0.068 Vega 0.02 Open interest 2 Model this call Put · $240 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
16	3	154.4%	0.028	$1.35		—	—	—	—	0
Call · $250 Last $1.35 Breakeven $251.35 Implied vol 154.4% Delta 0.028 ≈3% ITM Gamma 0.002 Theta -0.069 Vega 0.02 Open interest 16 Model this call Put · $250 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
27	13	143.2%	0.014	$0.05		—	—	—	—	0
Call · $260 Last $0.05 Breakeven $260.05 Implied vol 143.2% Delta 0.014 ≈1% ITM Gamma 0.001 Theta -0.034 Vega 0.009 Open interest 27 Model this call Put · $260 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
1	1	167.4%	0.027	$2.00		—	—	—	—	0
Call · $270 Last $2.00 Breakeven $272.00 Implied vol 167.4% Delta 0.027 ≈3% ITM Gamma 0.001 Theta -0.071 Vega 0.021 Open interest 1 Model this call Put · $270 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
17	10	173.6%	0.026	$0.60		—	—	—	—	0
Call · $280 Last $0.60 Breakeven $280.60 Implied vol 173.6% Delta 0.026 ≈3% ITM Gamma 0.001 Theta -0.072 Vega 0.022 Open interest 17 Model this call Put · $280 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put

About this data

Greeks, implied volatility, open interest and the last price come from the latest daily snapshot and are 15-minute delayed. Bid and ask are not included on this plan.

In-the-money strikes are tinted, deepening toward the money, and the bar beside each open-interest figure scales to the heaviest strike shown. The 25 strikes around the money are shown by default — switch to "All 46" for the wings. Max pain is the listed strike where the most open interest would expire worthless — a positioning reference, not a forecast.

Key facts CIK 1101302 CUSIP 29362U104 13F (30d) 254 filings 251 filers Visit website Investor relations