OSIS · Osi Systems Inc

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$235.22 -1.38 (-0.58%) At close · Aug 5

Market Cap

$3.72B

16.48M

Options Chain

15-min delayed Underlying $235.22 · today Options Calculator

Positioning

Aug 21, 2026 · 15 days to expiry · 52 contracts

Put / call OI

0.34

Call-heavy positioning

Open interest

193

contracts outstanding

Volume

traded today

Max pain

$220.00

$15.22 below spot

ATM implied vol

60.2%

market's expected move

Open interest by strike

Calls Puts

140

145

150

155

160

165

170

175

180

185

190

195

200

210

220

230

240

250

260

270

280

290

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310

320

330

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 15d Sep 18 43d Oct 16 71d Dec 18 134d Jan 15 162d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	116.5%	0.989	—		—	-0.027	141.1%	—	0
Call · $140 In the money Last — Breakeven — Implied vol 116.5% Delta 0.989 ≈99% ITM Gamma 0.001 Theta -0.065 Vega 0.019 Open interest 0 Model this call Put · $140 Last — Breakeven — Implied vol 141.1% Delta -0.027 ≈3% ITM Gamma 0.001 Theta -0.134 Vega 0.038 Open interest 0 Model this put
0	—	111.4%	0.987	—		—	-0.028	132.6%	—	0
Call · $145 In the money Last — Breakeven — Implied vol 111.4% Delta 0.987 ≈99% ITM Gamma 0.001 Theta -0.072 Vega 0.019 Open interest 0 Model this call Put · $145 Last — Breakeven — Implied vol 132.6% Delta -0.028 ≈3% ITM Gamma 0.001 Theta -0.132 Vega 0.039 Open interest 0 Model this put
0	—	116.7%	0.978	—		—	-0.03	124.4%	—	0
Call · $150 In the money Last — Breakeven — Implied vol 116.7% Delta 0.978 ≈98% ITM Gamma 0.001 Theta -0.111 Vega 0.02 Open interest 0 Model this call Put · $150 Last — Breakeven — Implied vol 124.4% Delta -0.03 ≈3% ITM Gamma 0.001 Theta -0.13 Vega 0.039 Open interest 0 Model this put
1	1	120.6%	0.964	$74.50		—	-0.051	136.5%	—	0
Call · $155 In the money Last $74.50 Breakeven $229.50 Implied vol 120.6% Delta 0.964 ≈96% ITM Gamma 0.001 Theta -0.163 Vega 0.04 Open interest 1 Model this call Put · $155 Last — Breakeven — Implied vol 136.5% Delta -0.051 ≈5% ITM Gamma 0.002 Theta -0.223 Vega 0.044 Open interest 0 Model this put
0	—	102.8%	0.974	—		—	-0.034	108.8%	—	0
Call · $160 In the money Last — Breakeven — Implied vol 102.8% Delta 0.974 ≈97% ITM Gamma 0.001 Theta -0.113 Vega 0.041 Open interest 0 Model this call Put · $160 Last — Breakeven — Implied vol 108.8% Delta -0.034 ≈3% ITM Gamma 0.001 Theta -0.126 Vega 0.041 Open interest 0 Model this put
0	—	94.1%	0.974	—		—	-0.057	118.4%	—	0
Call · $165 In the money Last — Breakeven — Implied vol 94.1% Delta 0.974 ≈97% ITM Gamma 0.001 Theta -0.105 Vega 0.041 Open interest 0 Model this call Put · $165 Last — Breakeven — Implied vol 118.4% Delta -0.057 ≈6% ITM Gamma 0.002 Theta -0.21 Vega 0.071 Open interest 0 Model this put
0	—	88%	0.97	—		$2.60	-0.039	94.2%	4	4
Call · $170 In the money Last — Breakeven — Implied vol 88% Delta 0.97 ≈97% ITM Gamma 0.002 Theta -0.108 Vega 0.042 Open interest 0 Model this call Put · $170 Last $2.60 Breakeven $167.40 Implied vol 94.2% Delta -0.039 ≈4% ITM Gamma 0.002 Theta -0.122 Vega 0.042 Open interest 4 Model this put
0	—	85.6%	0.961	—		—	-0.044	88.4%	—	0
Call · $175 In the money Last — Breakeven — Implied vol 85.6% Delta 0.961 ≈96% ITM Gamma 0.002 Theta -0.129 Vega 0.042 Open interest 0 Model this call Put · $175 Last — Breakeven — Implied vol 88.4% Delta -0.044 ≈4% ITM Gamma 0.002 Theta -0.126 Vega 0.042 Open interest 0 Model this put
0	—	78.7%	0.958	—		$3.00	-0.054	86.3%	20	20
Call · $180 In the money Last — Breakeven — Implied vol 78.7% Delta 0.958 ≈96% ITM Gamma 0.002 Theta -0.127 Vega 0.043 Open interest 0 Model this call Put · $180 Last $3.00 Breakeven $177.00 Implied vol 86.3% Delta -0.054 ≈5% ITM Gamma 0.003 Theta -0.148 Vega 0.043 Open interest 20 Model this put
0	—	80.7%	0.937	—		$3.80	-0.067	82.5%	6	6
Call · $185 In the money Last — Breakeven — Implied vol 80.7% Delta 0.937 ≈94% ITM Gamma 0.003 Theta -0.172 Vega 0.075 Open interest 0 Model this call Put · $185 Last $3.80 Breakeven $181.20 Implied vol 82.5% Delta -0.067 ≈7% ITM Gamma 0.003 Theta -0.165 Vega 0.076 Open interest 6 Model this put
0	—	74.5%	0.929	—		—	-0.061	70.8%	—	0
Call · $190 In the money Last — Breakeven — Implied vol 74.5% Delta 0.929 ≈93% ITM Gamma 0.004 Theta -0.175 Vega 0.076 Open interest 0 Model this call Put · $190 Last — Breakeven — Implied vol 70.8% Delta -0.061 ≈6% ITM Gamma 0.004 Theta -0.132 Vega 0.076 Open interest 0 Model this put
0	—	77.4%	0.896	—		$4.20	-0.107	78.7%	1	1
Call · $195 In the money Last — Breakeven — Implied vol 77.4% Delta 0.896 ≈90% ITM Gamma 0.005 Theta -0.236 Vega 0.078 Open interest 0 Model this call Put · $195 Last $4.20 Breakeven $190.80 Implied vol 78.7% Delta -0.107 ≈11% ITM Gamma 0.005 Theta -0.225 Vega 0.078 Open interest 1 Model this put
0	—	70.7%	0.884	—		$2.50	-0.122	72.5%	1	1
Call · $200 In the money Last — Breakeven — Implied vol 70.7% Delta 0.884 ≈88% ITM Gamma 0.006 Theta -0.235 Vega 0.118 Open interest 0 Model this call Put · $200 Last $2.50 Breakeven $197.50 Implied vol 72.5% Delta -0.122 ≈12% ITM Gamma 0.006 Theta -0.227 Vega 0.118 Open interest 1 Model this put
0	—	70.8%	0.804	—		$11.00	-0.178	64%	4	4
Call · $210 In the money Last — Breakeven — Implied vol 70.8% Delta 0.804 ≈80% ITM Gamma 0.008 Theta -0.324 Vega 0.121 Open interest 0 Model this call Put · $210 Last $11.00 Breakeven $199.00 Implied vol 64% Delta -0.178 ≈18% ITM Gamma 0.008 Theta -0.255 Vega 0.121 Open interest 4 Model this put
1	1	65.7%	0.713	$14.50		$16.00	-0.275	60.6%	10	13
Call · $220 In the money Last $14.50 Breakeven $234.50 Implied vol 65.7% Delta 0.713 ≈71% ITM Gamma 0.011 Theta -0.363 Vega 0.163 Open interest 1 Model this call Put · $220 Last $16.00 Breakeven $204.00 Implied vol 60.6% Delta -0.275 ≈28% ITM Gamma 0.011 Theta -0.308 Vega 0.163 Open interest 13 Model this put
125	4	64.5%	0.595	$6.00		—	-0.401	58.2%	—	0
Call · $230 In the money Last $6.00 Breakeven $236.00 Implied vol 64.5% Delta 0.595 ≈60% ITM Gamma 0.012 Theta -0.402 Vega 0.191 Open interest 125 Model this call Put · $230 Last — Breakeven — Implied vol 58.2% Delta -0.401 ≈40% ITM Gamma 0.014 Theta -0.341 Vega 0.191 Open interest 0 Model this put
Underlying $235.22
2	4	60.9%	0.466	$10.05		—	-0.538	59.6%	—	0
Call · $240 Last $10.05 Breakeven $250.05 Implied vol 60.9% Delta 0.466 ≈47% ITM Gamma 0.013 Theta -0.387 Vega 0.196 Open interest 2 Model this call Put · $240 In the money Last — Breakeven — Implied vol 59.6% Delta -0.538 ≈54% ITM Gamma 0.014 Theta -0.356 Vega 0.196 Open interest 0 Model this put
4	1	60.5%	0.341	$7.20		—	-0.67	57.8%	—	0
Call · $250 Last $7.20 Breakeven $257.20 Implied vol 60.5% Delta 0.341 ≈34% ITM Gamma 0.012 Theta -0.353 Vega 0.176 Open interest 4 Model this call Put · $250 In the money Last — Breakeven — Implied vol 57.8% Delta -0.67 ≈67% ITM Gamma 0.013 Theta -0.311 Vega 0.176 Open interest 0 Model this put
1	4	57.1%	0.22	$4.30		—	-0.79	55.6%	—	0
Call · $260 Last $4.30 Breakeven $264.30 Implied vol 57.1% Delta 0.22 ≈22% ITM Gamma 0.011 Theta -0.268 Vega 0.138 Open interest 1 Model this call Put · $260 In the money Last — Breakeven — Implied vol 55.6% Delta -0.79 ≈79% ITM Gamma 0.011 Theta -0.233 Vega 0.137 Open interest 0 Model this put
0	1	61.4%	0.154	$2.50		—	-0.883	53.8%	—	0
Call · $270 Last $2.50 Breakeven $272.50 Implied vol 61.4% Delta 0.154 ≈15% ITM Gamma 0.008 Theta -0.232 Vega 0.141 Open interest 0 Model this call Put · $270 In the money Last — Breakeven — Implied vol 53.8% Delta -0.883 ≈88% ITM Gamma 0.008 Theta -0.148 Vega 0.092 Open interest 0 Model this put
0	—	66.5%	0.119	—		—	-0.985	42.2%	—	0
Call · $280 Last — Breakeven — Implied vol 66.5% Delta 0.119 ≈12% ITM Gamma 0.006 Theta -0.207 Vega 0.096 Open interest 0 Model this call Put · $280 In the money Last — Breakeven — Implied vol 42.2% Delta -0.985 ≈99% ITM Gamma 0.003 Theta -0.016 Vega 0.016 Open interest 0 Model this put
0	—	70.8%	0.088	—		$80.10	—	—	3	0
Call · $290 Last — Breakeven — Implied vol 70.8% Delta 0.088 ≈9% ITM Gamma 0.005 Theta -0.178 Vega 0.097 Open interest 0 Model this call Put · $290 In the money Last $80.10 Breakeven $209.90 Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
10	2	61.7%	0.033	$0.25		—	—	—	—	0
Call · $300 Last $0.25 Breakeven $300.25 Implied vol 61.7% Delta 0.033 ≈3% ITM Gamma 0.002 Theta -0.07 Vega 0.029 Open interest 10 Model this call Put · $300 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	10	77.6%	0.052	$0.10		—	—	—	—	0
Call · $310 Last $0.10 Breakeven $310.10 Implied vol 77.6% Delta 0.052 ≈5% ITM Gamma 0.003 Theta -0.128 Vega 0.058 Open interest 0 Model this call Put · $310 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	84.8%	0.048	—		—	—	—	—	0
Call · $320 Last — Breakeven — Implied vol 84.8% Delta 0.048 ≈5% ITM Gamma 0.002 Theta -0.132 Vega 0.059 Open interest 0 Model this call Put · $320 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	91.7%	0.045	—		—	—	—	—	0
Call · $330 Last — Breakeven — Implied vol 91.7% Delta 0.045 ≈5% ITM Gamma 0.002 Theta -0.136 Vega 0.06 Open interest 0 Model this call Put · $330 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. Max pain is the listed strike where the most open interest would expire worthless — a positioning reference, not a forecast.

Key facts CIK 1039065 CUSIP 671044105 13F (30d) 128 filings 112 filers Visit website Investor relations