ONTO · Onto Innovation Inc.

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$271.69 -19.58 (-6.72%) At close · Jul 24

Market Cap

$13.56B

49.74M

Options Chain

15-min delayed Underlying $271.69 · today Options Calculator

Positioning

Aug 21, 2026 · 25 days to expiry · 90 contracts

Put / call OI

0.48

Call-heavy positioning

Open interest

4,057

contracts outstanding

Volume

356

traded today

Max pain

$300.00

$28.31 above spot

ATM implied vol

105.2%

market's expected move

Open interest by strike · near the money

Calls Puts

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Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 25d Sep 18 53d Dec 18 144d Mar 19 235d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
1	1	111.6%	0.99	$123.10		$1.25	-0.017	123%	2	3
Call · $145 In the money Last $123.10 Breakeven $268.10 Implied vol 111.6% Delta 0.99 ≈99% ITM Gamma 0 Theta -0.057 Vega 0.026 Open interest 1 Model this call Put · $145 Last $1.25 Breakeven $143.75 Implied vol 123% Delta -0.017 ≈2% ITM Gamma 0 Theta -0.073 Vega 0.026 Open interest 3 Model this put
1	1	127.2%	0.975	$118.50		$0.15	-0.021	122.7%	2	3
Call · $150 In the money Last $118.50 Breakeven $268.50 Implied vol 127.2% Delta 0.975 ≈97% ITM Gamma 0.001 Theta -0.119 Vega 0.053 Open interest 1 Model this call Put · $150 Last $0.15 Breakeven $149.85 Implied vol 122.7% Delta -0.021 ≈2% ITM Gamma 0.001 Theta -0.087 Vega 0.053 Open interest 3 Model this put
0	—	124.4%	0.97	—		$1.55	-0.025	119.3%	1	1
Call · $155 In the money Last — Breakeven — Implied vol 124.4% Delta 0.97 ≈97% ITM Gamma 0.001 Theta -0.132 Vega 0.054 Open interest 0 Model this call Put · $155 Last $1.55 Breakeven $153.45 Implied vol 119.3% Delta -0.025 ≈2% ITM Gamma 0.001 Theta -0.097 Vega 0.054 Open interest 1 Model this put
0	—	117.2%	0.97	—		—	-0.038	126%	—	0
Call · $160 In the money Last — Breakeven — Implied vol 117.2% Delta 0.97 ≈97% ITM Gamma 0.001 Theta -0.127 Vega 0.055 Open interest 0 Model this call Put · $160 Last — Breakeven — Implied vol 126% Delta -0.038 ≈4% ITM Gamma 0.001 Theta -0.147 Vega 0.055 Open interest 0 Model this put
0	—	111.9%	0.968	—		$1.55	-0.048	128.8%	1	8
Call · $165 In the money Last — Breakeven — Implied vol 111.9% Delta 0.968 ≈97% ITM Gamma 0.001 Theta -0.129 Vega 0.056 Open interest 0 Model this call Put · $165 Last $1.55 Breakeven $163.45 Implied vol 128.8% Delta -0.048 ≈5% ITM Gamma 0.001 Theta -0.182 Vega 0.071 Open interest 8 Model this put
3	3	123%	0.949	$180.85		$3.40	-0.05	122.1%	4	13
Call · $170 In the money Last $180.85 Breakeven $350.85 Implied vol 123% Delta 0.949 ≈95% ITM Gamma 0.001 Theta -0.2 Vega 0.098 Open interest 3 Model this call Put · $170 Last $3.40 Breakeven $166.60 Implied vol 122.1% Delta -0.05 ≈5% ITM Gamma 0.001 Theta -0.179 Vega 0.098 Open interest 13 Model this put
1	1	114.9%	0.948	$146.20		$2.56	-0.058	119.4%	1	7
Call · $175 In the money Last $146.20 Breakeven $321.20 Implied vol 114.9% Delta 0.948 ≈95% ITM Gamma 0.001 Theta -0.189 Vega 0.1 Open interest 1 Model this call Put · $175 Last $2.56 Breakeven $172.44 Implied vol 119.4% Delta -0.058 ≈6% ITM Gamma 0.001 Theta -0.195 Vega 0.1 Open interest 7 Model this put
3	3	118.3%	0.931	$170.25		$4.45	-0.065	115.7%	1	13
Call · $180 In the money Last $170.25 Breakeven $350.25 Implied vol 118.3% Delta 0.931 ≈93% ITM Gamma 0.002 Theta -0.237 Vega 0.101 Open interest 3 Model this call Put · $180 Last $4.45 Breakeven $175.55 Implied vol 115.7% Delta -0.065 ≈7% ITM Gamma 0.002 Theta -0.206 Vega 0.101 Open interest 13 Model this put
43	—	117.8%	0.919	—		$5.08	-0.078	116%	1	5
Call · $185 In the money Last — Breakeven — Implied vol 117.8% Delta 0.919 ≈92% ITM Gamma 0.002 Theta -0.264 Vega 0.103 Open interest 43 Model this call Put · $185 Last $5.08 Breakeven $179.92 Implied vol 116% Delta -0.078 ≈8% ITM Gamma 0.002 Theta -0.237 Vega 0.103 Open interest 5 Model this put
3	1	117.7%	0.907	$117.02		$7.80	-0.09	115.4%	1	3
Call · $190 In the money Last $117.02 Breakeven $307.02 Implied vol 117.7% Delta 0.907 ≈91% ITM Gamma 0.002 Theta -0.294 Vega 0.104 Open interest 3 Model this call Put · $190 Last $7.80 Breakeven $182.20 Implied vol 115.4% Delta -0.09 ≈9% ITM Gamma 0.002 Theta -0.264 Vega 0.104 Open interest 3 Model this put
50	50	113.4%	0.9	$95.30		$3.83	-0.104	115.8%	1	14
Call · $195 In the money Last $95.30 Breakeven $290.30 Implied vol 113.4% Delta 0.9 ≈90% ITM Gamma 0.002 Theta -0.301 Vega 0.106 Open interest 50 Model this call Put · $195 Last $3.83 Breakeven $191.17 Implied vol 115.8% Delta -0.104 ≈10% ITM Gamma 0.002 Theta -0.296 Vega 0.159 Open interest 14 Model this put
49	44	114%	0.882	$88.35		$5.70	-0.119	114%	4	30
Call · $200 In the money Last $88.35 Breakeven $288.35 Implied vol 114% Delta 0.882 ≈88% ITM Gamma 0.002 Theta -0.336 Vega 0.161 Open interest 49 Model this call Put · $200 Last $5.70 Breakeven $194.30 Implied vol 114% Delta -0.119 ≈12% ITM Gamma 0.002 Theta -0.317 Vega 0.161 Open interest 30 Model this put
10	10	111.4%	0.849	$145.68		$6.80	-0.152	112.5%	2	61
Call · $210 In the money Last $145.68 Breakeven $355.68 Implied vol 111.4% Delta 0.849 ≈85% ITM Gamma 0.003 Theta -0.384 Vega 0.165 Open interest 10 Model this call Put · $210 Last $6.80 Breakeven $203.20 Implied vol 112.5% Delta -0.152 ≈15% ITM Gamma 0.003 Theta -0.37 Vega 0.165 Open interest 61 Model this put
1	1	112.2%	0.811	$78.40		$9.20	-0.189	112%	4	117
Call · $220 In the money Last $78.40 Breakeven $298.40 Implied vol 112.2% Delta 0.811 ≈81% ITM Gamma 0.003 Theta -0.451 Vega 0.221 Open interest 1 Model this call Put · $220 Last $9.20 Breakeven $210.80 Implied vol 112% Delta -0.189 ≈19% ITM Gamma 0.003 Theta -0.429 Vega 0.221 Open interest 117 Model this put
4	2	107.8%	0.771	$67.48		$11.00	-0.231	109.1%	1	82
Call · $230 In the money Last $67.48 Breakeven $297.48 Implied vol 107.8% Delta 0.771 ≈77% ITM Gamma 0.004 Theta -0.477 Vega 0.227 Open interest 4 Model this call Put · $230 Last $11.00 Breakeven $219.00 Implied vol 109.1% Delta -0.231 ≈23% ITM Gamma 0.004 Theta -0.462 Vega 0.227 Open interest 82 Model this put
1	1	107.3%	0.724	$90.00		$14.00	-0.279	110.8%	1	66
Call · $240 In the money Last $90.00 Breakeven $330.00 Implied vol 107.3% Delta 0.724 ≈72% ITM Gamma 0.004 Theta -0.525 Vega 0.232 Open interest 1 Model this call Put · $240 Last $14.00 Breakeven $226.00 Implied vol 110.8% Delta -0.279 ≈28% ITM Gamma 0.004 Theta -0.522 Vega 0.232 Open interest 66 Model this put
78	1	106.7%	0.675	$39.26		$18.20	-0.326	107.8%	2	186
Call · $250 In the money Last $39.26 Breakeven $289.26 Implied vol 106.7% Delta 0.675 ≈68% ITM Gamma 0.005 Theta -0.56 Vega 0.271 Open interest 78 Model this call Put · $250 Last $18.20 Breakeven $231.80 Implied vol 107.8% Delta -0.326 ≈33% ITM Gamma 0.005 Theta -0.543 Vega 0.271 Open interest 186 Model this put
3	1	104.6%	0.624	$35.08		$22.45	-0.377	107.1%	4	28
Call · $260 In the money Last $35.08 Breakeven $295.08 Implied vol 104.6% Delta 0.624 ≈62% ITM Gamma 0.005 Theta -0.575 Vega 0.277 Open interest 3 Model this call Put · $260 Last $22.45 Breakeven $237.55 Implied vol 107.1% Delta -0.377 ≈38% ITM Gamma 0.005 Theta -0.564 Vega 0.277 Open interest 28 Model this put
2	4	105.3%	0.571	$29.45		$27.00	-0.43	105.1%	9	73
Call · $270 In the money Last $29.45 Breakeven $299.45 Implied vol 105.3% Delta 0.571 ≈57% ITM Gamma 0.005 Theta -0.604 Vega 0.282 Open interest 2 Model this call Put · $270 Last $27.00 Breakeven $243.00 Implied vol 105.1% Delta -0.43 ≈43% ITM Gamma 0.005 Theta -0.578 Vega 0.282 Open interest 73 Model this put
Underlying $271.69
22	3	103%	0.518	$46.70		$32.07	-0.482	103.5%	1	169
Call · $280 Last $46.70 Breakeven $326.70 Implied vol 103% Delta 0.518 ≈52% ITM Gamma 0.005 Theta -0.593 Vega 0.288 Open interest 22 Model this call Put · $280 In the money Last $32.07 Breakeven $247.93 Implied vol 103.5% Delta -0.482 ≈48% ITM Gamma 0.005 Theta -0.571 Vega 0.288 Open interest 169 Model this put
46	1	102.2%	0.466	$23.20		$39.00	-0.534	103.3%	7	104
Call · $290 Last $23.20 Breakeven $313.20 Implied vol 102.2% Delta 0.466 ≈47% ITM Gamma 0.005 Theta -0.585 Vega 0.293 Open interest 46 Model this call Put · $290 In the money Last $39.00 Breakeven $251.00 Implied vol 103.3% Delta -0.534 ≈53% ITM Gamma 0.005 Theta -0.565 Vega 0.293 Open interest 104 Model this put
32	11	103.8%	0.417	$18.00		$45.40	-0.587	102.4%	2	40
Call · $300 Last $18.00 Breakeven $318.00 Implied vol 103.8% Delta 0.417 ≈42% ITM Gamma 0.005 Theta -0.59 Vega 0.299 Open interest 32 Model this call Put · $300 In the money Last $45.40 Breakeven $254.60 Implied vol 102.4% Delta -0.587 ≈59% ITM Gamma 0.005 Theta -0.555 Vega 0.296 Open interest 40 Model this put
71	2	101.3%	0.369	$15.25		$45.20	-0.63	102.9%	4	21
Call · $310 Last $15.25 Breakeven $325.25 Implied vol 101.3% Delta 0.369 ≈37% ITM Gamma 0.005 Theta -0.549 Vega 0.266 Open interest 71 Model this call Put · $310 In the money Last $45.20 Breakeven $264.80 Implied vol 102.9% Delta -0.63 ≈63% ITM Gamma 0.005 Theta -0.532 Vega 0.266 Open interest 21 Model this put
46	2	100.5%	0.323	$12.50		$49.00	-0.677	101.1%	1	35
Call · $320 Last $12.50 Breakeven $332.50 Implied vol 100.5% Delta 0.323 ≈32% ITM Gamma 0.005 Theta -0.517 Vega 0.271 Open interest 46 Model this call Put · $320 In the money Last $49.00 Breakeven $271.00 Implied vol 101.1% Delta -0.677 ≈68% ITM Gamma 0.005 Theta -0.492 Vega 0.27 Open interest 35 Model this put
121	7	100.2%	0.278	$13.00		$59.23	-0.722	101.1%	1	75
Call · $330 Last $13.00 Breakeven $343.00 Implied vol 100.2% Delta 0.278 ≈28% ITM Gamma 0.005 Theta -0.488 Vega 0.275 Open interest 121 Model this call Put · $330 In the money Last $59.23 Breakeven $270.77 Implied vol 101.1% Delta -0.722 ≈72% ITM Gamma 0.005 Theta -0.465 Vega 0.272 Open interest 75 Model this put
681	1	99.9%	0.244	$11.00		$60.30	-0.757	100.5%	2	84
Call · $340 Last $11.00 Breakeven $351.00 Implied vol 99.9% Delta 0.244 ≈24% ITM Gamma 0.004 Theta -0.449 Vega 0.214 Open interest 681 Model this call Put · $340 In the money Last $60.30 Breakeven $279.70 Implied vol 100.5% Delta -0.757 ≈76% ITM Gamma 0.004 Theta -0.424 Vega 0.213 Open interest 84 Model this put
74	4	99.4%	0.21	$8.00		$78.89	-0.794	98.9%	1	10
Call · $350 Last $8.00 Breakeven $358.00 Implied vol 99.4% Delta 0.21 ≈21% ITM Gamma 0.004 Theta -0.408 Vega 0.217 Open interest 74 Model this call Put · $350 In the money Last $78.89 Breakeven $271.11 Implied vol 98.9% Delta -0.794 ≈79% ITM Gamma 0.004 Theta -0.374 Vega 0.215 Open interest 10 Model this put
165	4	99.6%	0.178	$6.26		$57.90	-0.819	101.2%	51	51
Call · $360 Last $6.26 Breakeven $366.26 Implied vol 99.6% Delta 0.178 ≈18% ITM Gamma 0.004 Theta -0.373 Vega 0.221 Open interest 165 Model this call Put · $360 In the money Last $57.90 Breakeven $302.10 Implied vol 101.2% Delta -0.819 ≈82% ITM Gamma 0.004 Theta -0.354 Vega 0.217 Open interest 51 Model this put
37	3	99.9%	0.153	$4.70		$58.00	-0.85	100%	1	5
Call · $370 Last $4.70 Breakeven $374.70 Implied vol 99.9% Delta 0.153 ≈15% ITM Gamma 0.003 Theta -0.339 Vega 0.149 Open interest 37 Model this call Put · $370 In the money Last $58.00 Breakeven $312.00 Implied vol 100% Delta -0.85 ≈85% ITM Gamma 0.003 Theta -0.309 Vega 0.147 Open interest 5 Model this put
35	4	102.2%	0.139	$6.85		$67.45	-0.873	99.4%	1	3
Call · $380 Last $6.85 Breakeven $386.85 Implied vol 102.2% Delta 0.139 ≈14% ITM Gamma 0.003 Theta -0.323 Vega 0.151 Open interest 35 Model this call Put · $380 In the money Last $67.45 Breakeven $312.55 Implied vol 99.4% Delta -0.873 ≈87% ITM Gamma 0.003 Theta -0.268 Vega 0.149 Open interest 3 Model this put
26	3	98.4%	0.108	$5.85		$56.50	-0.894	99.3%	3	3
Call · $390 Last $5.85 Breakeven $395.85 Implied vol 98.4% Delta 0.108 ≈11% ITM Gamma 0.003 Theta -0.259 Vega 0.154 Open interest 26 Model this call Put · $390 In the money Last $56.50 Breakeven $333.50 Implied vol 99.3% Delta -0.894 ≈89% ITM Gamma 0.003 Theta -0.233 Vega 0.149 Open interest 3 Model this put
247	2	100%	0.092	$2.85		$93.70	-0.915	99.4%	1	1
Call · $400 Last $2.85 Breakeven $402.85 Implied vol 100% Delta 0.092 ≈9% ITM Gamma 0.002 Theta -0.237 Vega 0.156 Open interest 247 Model this call Put · $400 In the money Last $93.70 Breakeven $306.30 Implied vol 99.4% Delta -0.915 ≈91% ITM Gamma 0.002 Theta -0.198 Vega 0.14 Open interest 1 Model this put
52	4	99.5%	0.078	$7.09		—	-0.933	97.1%	—	0
Call · $410 Last $7.09 Breakeven $417.09 Implied vol 99.5% Delta 0.078 ≈8% ITM Gamma 0.002 Theta -0.207 Vega 0.091 Open interest 52 Model this call Put · $410 In the money Last — Breakeven — Implied vol 97.1% Delta -0.933 ≈93% ITM Gamma 0.002 Theta -0.157 Vega 0.087 Open interest 0 Model this put
153	1	102.5%	0.073	$1.20		—	-0.943	97.9%	—	0
Call · $420 Last $1.20 Breakeven $421.20 Implied vol 102.5% Delta 0.073 ≈7% ITM Gamma 0.002 Theta -0.202 Vega 0.092 Open interest 153 Model this call Put · $420 In the money Last — Breakeven — Implied vol 97.9% Delta -0.943 ≈94% ITM Gamma 0.002 Theta -0.136 Vega 0.086 Open interest 0 Model this put
453	1	102.5%	0.062	$13.30		$119.80	-0.954	98.5%	7	7
Call · $430 Last $13.30 Breakeven $443.30 Implied vol 102.5% Delta 0.062 ≈6% ITM Gamma 0.002 Theta -0.177 Vega 0.094 Open interest 453 Model this call Put · $430 In the money Last $119.80 Breakeven $310.20 Implied vol 98.5% Delta -0.954 ≈95% ITM Gamma 0.002 Theta -0.115 Vega 0.084 Open interest 7 Model this put
23	1	108.3%	0.064	$4.80		—	-0.963	99.5%	—	0
Call · $440 Last $4.80 Breakeven $444.80 Implied vol 108.3% Delta 0.064 ≈6% ITM Gamma 0.002 Theta -0.192 Vega 0.094 Open interest 23 Model this call Put · $440 In the money Last — Breakeven — Implied vol 99.5% Delta -0.963 ≈96% ITM Gamma 0.001 Theta -0.095 Vega 0.076 Open interest 0 Model this put
35	17	117.5%	0.073	$4.35		$144.60	-0.971	98.7%	1	1
Call · $450 Last $4.35 Breakeven $454.35 Implied vol 117.5% Delta 0.073 ≈7% ITM Gamma 0.002 Theta -0.231 Vega 0.095 Open interest 35 Model this call Put · $450 In the money Last $144.60 Breakeven $305.40 Implied vol 98.7% Delta -0.971 ≈97% ITM Gamma 0.001 Theta -0.074 Vega 0.04 Open interest 1 Model this put
9	2	116.3%	0.062	$3.80		$153.50	-0.985	94.2%	1	1
Call · $460 Last $3.80 Breakeven $463.80 Implied vol 116.3% Delta 0.062 ≈6% ITM Gamma 0.001 Theta -0.199 Vega 0.096 Open interest 9 Model this call Put · $460 In the money Last $153.50 Breakeven $306.50 Implied vol 94.2% Delta -0.985 ≈98% ITM Gamma 0.001 Theta -0.035 Vega 0.034 Open interest 1 Model this put
3	19	116.6%	0.053	$2.95		—	-0.974	104.3%	—	0
Call · $470 Last $2.95 Breakeven $472.95 Implied vol 116.6% Delta 0.053 ≈5% ITM Gamma 0.001 Theta -0.178 Vega 0.097 Open interest 3 Model this call Put · $470 In the money Last — Breakeven — Implied vol 104.3% Delta -0.974 ≈97% ITM Gamma 0.001 Theta -0.07 Vega 0.04 Open interest 0 Model this put
112	1	117.7%	0.046	$2.09		—	-0.977	106.3%	—	0
Call · $480 Last $2.09 Breakeven $482.09 Implied vol 117.7% Delta 0.046 ≈5% ITM Gamma 0.001 Theta -0.162 Vega 0.098 Open interest 112 Model this call Put · $480 In the money Last — Breakeven — Implied vol 106.3% Delta -0.977 ≈98% ITM Gamma 0.001 Theta -0.066 Vega 0.039 Open interest 0 Model this put
1	1	111.8%	0.033	$7.20		$204.00	-0.986	104.1%	1	0
Call · $490 Last $7.20 Breakeven $497.20 Implied vol 111.8% Delta 0.033 ≈3% ITM Gamma 0.001 Theta -0.116 Vega 0.05 Open interest 1 Model this call Put · $490 In the money Last $204.00 Breakeven $286.00 Implied vol 104.1% Delta -0.986 ≈99% ITM Gamma 0.001 Theta -0.036 Vega 0.035 Open interest 0 Model this put
8	1	113.8%	0.031	$2.00		$214.00	-0.986	107.3%	2	0
Call · $500 Last $2.00 Breakeven $502.00 Implied vol 113.8% Delta 0.031 ≈3% ITM Gamma 0.001 Theta -0.112 Vega 0.05 Open interest 8 Model this call Put · $500 In the money Last $214.00 Breakeven $286.00 Implied vol 107.3% Delta -0.986 ≈99% ITM Gamma 0.001 Theta -0.036 Vega 0.028 Open interest 0 Model this put
23	1	113.8%	0.027	$1.94		$142.30	-0.986	110.3%	2	0
Call · $510 Last $1.94 Breakeven $511.94 Implied vol 113.8% Delta 0.027 ≈3% ITM Gamma 0.001 Theta -0.098 Vega 0.051 Open interest 23 Model this call Put · $510 In the money Last $142.30 Breakeven $367.70 Implied vol 110.3% Delta -0.986 ≈99% ITM Gamma 0.001 Theta -0.037 Vega 0.028 Open interest 0 Model this put
1	1	115.7%	0.025	$4.70		$194.59	—	—	1	1
Call · $520 Last $4.70 Breakeven $524.70 Implied vol 115.7% Delta 0.025 ≈2% ITM Gamma 0.001 Theta -0.094 Vega 0.051 Open interest 1 Model this call Put · $520 In the money Last $194.59 Breakeven $325.41 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this put
4	1	136%	0.045	$2.00		$244.00	—	—	1	0
Call · $530 Last $2.00 Breakeven $532.00 Implied vol 136% Delta 0.045 ≈5% ITM Gamma 0.001 Theta -0.184 Vega 0.051 Open interest 4 Model this call Put · $530 In the money Last $244.00 Breakeven $286.00 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 45" 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 704532 CUSIP 683344105 13F (30d) 135 filings 135 filers Visit website Investor relations