BIO · Bio-Rad Laboratories, Inc.

Track BIO — free Ask ALVIS about BIO

$327.02 -3.98 (-1.20%) At close · Jul 29

Market Cap

$8.86B

26.76M

Options Chain

15-min delayed Underlying $327.02 · today Options Calculator

Positioning

Aug 21, 2026 · 22 days to expiry · 62 contracts

Put / call OI

0.05

Call-heavy positioning

Open interest

280

contracts outstanding

Volume

traded today

Max pain

$290.00

$37.02 below spot

ATM implied vol

53.8%

market's expected move

Open interest by strike · near the money

Calls Puts

165

170

175

180

185

190

195

200

210

220

230

240

250

260

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280

290

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320

330

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410

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430

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 22d Sep 18 50d Dec 18 141d Mar 19 232d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	125.5%	0.992	—		—	—	—	—	0
Call · $165 In the money Last — Breakeven — Implied vol 125.5% Delta 0.992 ≈99% ITM Gamma 0 Theta -0.068 Vega 0.029 Open interest 0 Model this call Put · $165 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	123.4%	0.99	—		—	-0.018	138.4%	—	0
Call · $170 In the money Last — Breakeven — Implied vol 123.4% Delta 0.99 ≈99% ITM Gamma 0 Theta -0.078 Vega 0.029 Open interest 0 Model this call Put · $170 Last — Breakeven — Implied vol 138.4% Delta -0.018 ≈2% ITM Gamma 0 Theta -0.11 Vega 0.029 Open interest 0 Model this put
0	—	99.8%	0.996	—		—	-0.018	131.4%	—	0
Call · $175 In the money Last — Breakeven — Implied vol 99.8% Delta 0.996 ≈100% ITM Gamma 0 Theta -0.036 Vega 0.013 Open interest 0 Model this call Put · $175 Last — Breakeven — Implied vol 131.4% Delta -0.018 ≈2% ITM Gamma 0 Theta -0.104 Vega 0.03 Open interest 0 Model this put
0	—	127.6%	0.981	—		—	-0.02	129.6%	—	0
Call · $180 In the money Last — Breakeven — Implied vol 127.6% Delta 0.981 ≈98% ITM Gamma 0 Theta -0.126 Vega 0.03 Open interest 0 Model this call Put · $180 Last — Breakeven — Implied vol 129.6% Delta -0.02 ≈2% ITM Gamma 0 Theta -0.115 Vega 0.03 Open interest 0 Model this put
0	—	130%	0.974	—		—	-0.019	121.4%	—	0
Call · $185 In the money Last — Breakeven — Implied vol 130% Delta 0.974 ≈97% ITM Gamma 0.001 Theta -0.16 Vega 0.061 Open interest 0 Model this call Put · $185 Last — Breakeven — Implied vol 121.4% Delta -0.019 ≈2% ITM Gamma 0 Theta -0.103 Vega 0.031 Open interest 0 Model this put
0	—	130.8%	0.967	—		—	-0.023	120.1%	—	0
Call · $190 In the money Last — Breakeven — Implied vol 130.8% Delta 0.967 ≈97% ITM Gamma 0.001 Theta -0.191 Vega 0.062 Open interest 0 Model this call Put · $190 Last — Breakeven — Implied vol 120.1% Delta -0.023 ≈2% ITM Gamma 0.001 Theta -0.117 Vega 0.062 Open interest 0 Model this put
0	—	102.5%	0.985	—		—	-0.026	117.3%	—	0
Call · $195 In the money Last — Breakeven — Implied vol 102.5% Delta 0.985 ≈98% ITM Gamma 0 Theta -0.088 Vega 0.031 Open interest 0 Model this call Put · $195 Last — Breakeven — Implied vol 117.3% Delta -0.026 ≈3% ITM Gamma 0.001 Theta -0.128 Vega 0.063 Open interest 0 Model this put
0	—	94.6%	0.987	—		—	-0.023	108.3%	—	0
Call · $200 In the money Last — Breakeven — Implied vol 94.6% Delta 0.987 ≈99% ITM Gamma 0 Theta -0.076 Vega 0.032 Open interest 0 Model this call Put · $200 Last — Breakeven — Implied vol 108.3% Delta -0.023 ≈2% ITM Gamma 0.001 Theta -0.106 Vega 0.064 Open interest 0 Model this put
0	—	104.2%	0.968	—		—	-0.025	98.5%	—	0
Call · $210 In the money Last — Breakeven — Implied vol 104.2% Delta 0.968 ≈97% ITM Gamma 0.001 Theta -0.155 Vega 0.065 Open interest 0 Model this call Put · $210 Last — Breakeven — Implied vol 98.5% Delta -0.025 ≈3% ITM Gamma 0.001 Theta -0.103 Vega 0.065 Open interest 0 Model this put
0	—	93.7%	0.966	—		—	-0.029	90%	—	0
Call · $220 In the money Last — Breakeven — Implied vol 93.7% Delta 0.966 ≈97% ITM Gamma 0.001 Theta -0.147 Vega 0.067 Open interest 0 Model this call Put · $220 Last — Breakeven — Implied vol 90% Delta -0.029 ≈3% ITM Gamma 0.001 Theta -0.105 Vega 0.067 Open interest 0 Model this put
0	—	84.5%	0.963	—		—	-0.033	81.9%	—	0
Call · $230 In the money Last — Breakeven — Implied vol 84.5% Delta 0.963 ≈96% ITM Gamma 0.001 Theta -0.143 Vega 0.069 Open interest 0 Model this call Put · $230 Last — Breakeven — Implied vol 81.9% Delta -0.033 ≈3% ITM Gamma 0.001 Theta -0.106 Vega 0.068 Open interest 0 Model this put
0	—	86.5%	0.942	—		—	-0.045	78.4%	—	0
Call · $240 In the money Last — Breakeven — Implied vol 86.5% Delta 0.942 ≈94% ITM Gamma 0.002 Theta -0.204 Vega 0.121 Open interest 0 Model this call Put · $240 Last — Breakeven — Implied vol 78.4% Delta -0.045 ≈4% ITM Gamma 0.001 Theta -0.132 Vega 0.07 Open interest 0 Model this put
0	1	82.4%	0.922	$69.00		$3.66	-0.112	100.4%	1	2
Call · $250 In the money Last $69.00 Breakeven $319.00 Implied vol 82.4% Delta 0.922 ≈92% ITM Gamma 0.002 Theta -0.237 Vega 0.124 Open interest 0 Model this call Put · $250 Last $3.66 Breakeven $246.34 Implied vol 100.4% Delta -0.112 ≈11% ITM Gamma 0.002 Theta -0.344 Vega 0.186 Open interest 2 Model this put
0	—	74.9%	0.909	—		—	-0.124	89.4%	—	0
Call · $260 In the money Last — Breakeven — Implied vol 74.9% Delta 0.909 ≈91% ITM Gamma 0.003 Theta -0.244 Vega 0.126 Open interest 0 Model this call Put · $260 Last — Breakeven — Implied vol 89.4% Delta -0.124 ≈12% ITM Gamma 0.003 Theta -0.327 Vega 0.19 Open interest 0 Model this put
0	—	71.6%	0.882	—		$6.05	-0.139	78.6%	1	1
Call · $270 In the money Last — Breakeven — Implied vol 71.6% Delta 0.882 ≈88% ITM Gamma 0.003 Theta -0.28 Vega 0.194 Open interest 0 Model this call Put · $270 Last $6.05 Breakeven $263.95 Implied vol 78.6% Delta -0.139 ≈14% ITM Gamma 0.003 Theta -0.308 Vega 0.194 Open interest 1 Model this put
0	2	70.7%	0.837	$29.25		—	-0.157	68.3%	—	0
Call · $280 In the money Last $29.25 Breakeven $309.25 Implied vol 70.7% Delta 0.837 ≈84% ITM Gamma 0.004 Theta -0.336 Vega 0.198 Open interest 0 Model this call Put · $280 Last — Breakeven — Implied vol 68.3% Delta -0.157 ≈16% ITM Gamma 0.004 Theta -0.29 Vega 0.197 Open interest 0 Model this put
85	2	64%	0.804	$24.90		$13.00	-0.187	60.6%	8	8
Call · $290 In the money Last $24.90 Breakeven $314.90 Implied vol 64% Delta 0.804 ≈80% ITM Gamma 0.005 Theta -0.346 Vega 0.201 Open interest 85 Model this call Put · $290 Last $13.00 Breakeven $277.00 Implied vol 60.6% Delta -0.187 ≈19% ITM Gamma 0.005 Theta -0.289 Vega 0.201 Open interest 8 Model this put
2	2	60.1%	0.748	$20.09		$15.08	-0.251	59.3%	2	2
Call · $300 In the money Last $20.09 Breakeven $320.09 Implied vol 60.1% Delta 0.748 ≈75% ITM Gamma 0.007 Theta -0.367 Vega 0.268 Open interest 2 Model this call Put · $300 Last $15.08 Breakeven $284.92 Implied vol 59.3% Delta -0.251 ≈25% ITM Gamma 0.007 Theta -0.332 Vega 0.268 Open interest 2 Model this put
168	1	58.7%	0.678	$10.00		—	-0.323	58.6%	—	0
Call · $310 In the money Last $10.00 Breakeven $320.00 Implied vol 58.7% Delta 0.678 ≈68% ITM Gamma 0.008 Theta -0.405 Vega 0.274 Open interest 168 Model this call Put · $310 Last — Breakeven — Implied vol 58.6% Delta -0.323 ≈32% ITM Gamma 0.008 Theta -0.375 Vega 0.277 Open interest 0 Model this put
0	—	56.9%	0.596	—		—	-0.402	53.6%	—	0
Call · $320 In the money Last — Breakeven — Implied vol 56.9% Delta 0.596 ≈60% ITM Gamma 0.008 Theta -0.415 Vega 0.319 Open interest 0 Model this call Put · $320 Last — Breakeven — Implied vol 53.6% Delta -0.402 ≈40% ITM Gamma 0.009 Theta -0.361 Vega 0.319 Open interest 0 Model this put
Underlying $327.02
3	1	54.5%	0.51	$21.50		—	-0.494	53.1%	—	0
Call · $330 Last $21.50 Breakeven $351.50 Implied vol 54.5% Delta 0.51 ≈51% ITM Gamma 0.009 Theta -0.41 Vega 0.325 Open interest 3 Model this call Put · $330 In the money Last — Breakeven — Implied vol 53.1% Delta -0.494 ≈49% ITM Gamma 0.009 Theta -0.369 Vega 0.325 Open interest 0 Model this put
7	4	53.4%	0.42	$14.60		—	-0.583	53.3%	—	0
Call · $340 Last $14.60 Breakeven $354.60 Implied vol 53.4% Delta 0.42 ≈42% ITM Gamma 0.009 Theta -0.391 Vega 0.331 Open interest 7 Model this call Put · $340 In the money Last — Breakeven — Implied vol 53.3% Delta -0.583 ≈58% ITM Gamma 0.009 Theta -0.359 Vega 0.331 Open interest 0 Model this put
2	1	54.2%	0.341	$10.20		—	-0.674	51%	—	0
Call · $350 Last $10.20 Breakeven $360.20 Implied vol 54.2% Delta 0.341 ≈34% ITM Gamma 0.008 Theta -0.37 Vega 0.295 Open interest 2 Model this call Put · $350 In the money Last — Breakeven — Implied vol 51% Delta -0.674 ≈67% ITM Gamma 0.009 Theta -0.311 Vega 0.295 Open interest 0 Model this put
0	—	53.5%	0.262	—		—	-0.75	52.1%	—	0
Call · $360 Last — Breakeven — Implied vol 53.5% Delta 0.262 ≈26% ITM Gamma 0.008 Theta -0.326 Vega 0.3 Open interest 0 Model this call Put · $360 In the money Last — Breakeven — Implied vol 52.1% Delta -0.75 ≈75% ITM Gamma 0.008 Theta -0.281 Vega 0.229 Open interest 0 Model this put
0	—	54.7%	0.209	—		—	-0.823	49.8%	—	0
Call · $370 Last — Breakeven — Implied vol 54.7% Delta 0.209 ≈21% ITM Gamma 0.006 Theta -0.29 Vega 0.234 Open interest 0 Model this call Put · $370 In the money Last — Breakeven — Implied vol 49.8% Delta -0.823 ≈82% ITM Gamma 0.007 Theta -0.211 Vega 0.23 Open interest 0 Model this put
0	—	61.8%	0.191	—		—	-0.842	56.5%	—	0
Call · $380 Last — Breakeven — Implied vol 61.8% Delta 0.191 ≈19% ITM Gamma 0.005 Theta -0.308 Vega 0.236 Open interest 0 Model this call Put · $380 In the money Last — Breakeven — Implied vol 56.5% Delta -0.842 ≈84% ITM Gamma 0.006 Theta -0.225 Vega 0.229 Open interest 0 Model this put
0	—	68.5%	0.177	—		—	-0.894	54.1%	—	0
Call · $390 Last — Breakeven — Implied vol 68.5% Delta 0.177 ≈18% ITM Gamma 0.005 Theta -0.326 Vega 0.239 Open interest 0 Model this call Put · $390 In the money Last — Breakeven — Implied vol 54.1% Delta -0.894 ≈89% ITM Gamma 0.004 Theta -0.156 Vega 0.155 Open interest 0 Model this put
0	—	53.3%	0.075	—		—	-0.964	46.3%	—	0
Call · $400 Last — Breakeven — Implied vol 53.3% Delta 0.075 ≈7% ITM Gamma 0.003 Theta -0.138 Vega 0.095 Open interest 0 Model this call Put · $400 In the money Last — Breakeven — Implied vol 46.3% Delta -0.964 ≈96% ITM Gamma 0.003 Theta -0.051 Vega 0.073 Open interest 0 Model this put
0	—	—	—	—		—	-0.943	56.5%	—	0
Call · $410 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $410 In the money Last — Breakeven — Implied vol 56.5% Delta -0.943 ≈94% ITM Gamma 0.003 Theta -0.096 Vega 0.087 Open interest 0 Model this put
0	—	—	—	—		—	-0.96	57.6%	—	0
Call · $420 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $420 In the money Last — Breakeven — Implied vol 57.6% Delta -0.96 ≈96% ITM Gamma 0.002 Theta -0.07 Vega 0.08 Open interest 0 Model this put
0	—	—	—	—		—	-0.974	59%	—	0
Call · $430 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $430 In the money Last — Breakeven — Implied vol 59% Delta -0.974 ≈97% ITM Gamma 0.002 Theta -0.051 Vega 0.039 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 23 strikes around the money are shown by default — switch to "All 31" 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 12208 CUSIP 090572207 13F (30d) 121 filings 94 filers Visit website Investor relations