IDXX · Idexx Laboratories Inc /De

Track IDXX — free Ask ALVIS about IDXX

$544.32 +4.96 (+0.92%) At close · Jul 24

Market Cap

$42.94B

78.88M

Options Chain

15-min delayed Underlying $544.32 · at close Jul 24, 2026 Options Calculator

Positioning

Aug 21, 2026 · 26 days to expiry · 62 contracts

Put / call OI

0.95

Balanced positioning

Open interest

333

contracts outstanding

Volume

traded today

Max pain

$550.00

$5.68 above spot

ATM implied vol

51.3%

market's expected move

Open interest by strike · near the money

Calls Puts

420

430

440

450

460

470

480

490

500

510

520

530

540

550

560

570

580

590

600

610

620

630

640

650

660

670

680

690

700

710

720

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 26d Sep 18 54d Oct 16 82d Dec 18 145d Jan 15 173d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	55.6%	0.967	—		—	-0.031	55%	—	0
Call · $420 In the money Last — Breakeven — Implied vol 55.6% Delta 0.967 ≈97% ITM Gamma 0.001 Theta -0.154 Vega 0.126 Open interest 0 Model this call Put · $420 Last — Breakeven — Implied vol 55% Delta -0.031 ≈3% ITM Gamma 0.001 Theta -0.106 Vega 0.126 Open interest 0 Model this put
0	—	54.2%	0.957	—		—	-0.042	53.8%	—	0
Call · $430 In the money Last — Breakeven — Implied vol 54.2% Delta 0.957 ≈96% ITM Gamma 0.001 Theta -0.179 Vega 0.128 Open interest 0 Model this call Put · $430 Last — Breakeven — Implied vol 53.8% Delta -0.042 ≈4% ITM Gamma 0.001 Theta -0.133 Vega 0.128 Open interest 0 Model this put
0	—	54.2%	0.942	—		$1.45	-0.064	55.8%	2	2
Call · $440 In the money Last — Breakeven — Implied vol 54.2% Delta 0.942 ≈94% ITM Gamma 0.001 Theta -0.218 Vega 0.224 Open interest 0 Model this call Put · $440 Last $1.45 Breakeven $438.55 Implied vol 55.8% Delta -0.064 ≈6% ITM Gamma 0.002 Theta -0.193 Vega 0.224 Open interest 2 Model this put
0	—	54.6%	0.917	—		$1.08	-0.069	50.9%	1	3
Call · $450 In the money Last — Breakeven — Implied vol 54.6% Delta 0.917 ≈92% ITM Gamma 0.002 Theta -0.273 Vega 0.227 Open interest 0 Model this call Put · $450 Last $1.08 Breakeven $448.92 Implied vol 50.9% Delta -0.069 ≈7% ITM Gamma 0.002 Theta -0.186 Vega 0.227 Open interest 3 Model this put
0	—	53.2%	0.898	—		$2.27	-0.108	54.9%	1	49
Call · $460 In the money Last — Breakeven — Implied vol 53.2% Delta 0.898 ≈90% ITM Gamma 0.002 Theta -0.307 Vega 0.23 Open interest 0 Model this call Put · $460 Last $2.27 Breakeven $457.73 Implied vol 54.9% Delta -0.108 ≈11% ITM Gamma 0.002 Theta -0.282 Vega 0.231 Open interest 49 Model this put
0	—	51.6%	0.875	—		$6.15	-0.114	49.1%	1	8
Call · $470 In the money Last — Breakeven — Implied vol 51.6% Delta 0.875 ≈88% ITM Gamma 0.003 Theta -0.339 Vega 0.35 Open interest 0 Model this call Put · $470 Last $6.15 Breakeven $463.85 Implied vol 49.1% Delta -0.114 ≈11% ITM Gamma 0.003 Theta -0.262 Vega 0.235 Open interest 8 Model this put
0	—	52%	0.837	—		$6.20	-0.159	50.9%	6	18
Call · $480 In the money Last — Breakeven — Implied vol 52% Delta 0.837 ≈84% ITM Gamma 0.003 Theta -0.398 Vega 0.354 Open interest 0 Model this call Put · $480 Last $6.20 Breakeven $473.80 Implied vol 50.9% Delta -0.159 ≈16% ITM Gamma 0.003 Theta -0.337 Vega 0.354 Open interest 18 Model this put
0	—	53.1%	0.797	—		$13.70	-0.197	50.9%	1	12
Call · $490 In the money Last — Breakeven — Implied vol 53.1% Delta 0.797 ≈80% ITM Gamma 0.004 Theta -0.465 Vega 0.47 Open interest 0 Model this call Put · $490 Last $13.70 Breakeven $476.30 Implied vol 50.9% Delta -0.197 ≈20% ITM Gamma 0.004 Theta -0.39 Vega 0.36 Open interest 12 Model this put
2	2	53.7%	0.749	$75.54		$10.10	-0.243	50.9%	2	29
Call · $500 In the money Last $75.54 Breakeven $575.54 Implied vol 53.7% Delta 0.749 ≈75% ITM Gamma 0.004 Theta -0.515 Vega 0.476 Open interest 2 Model this call Put · $500 Last $10.10 Breakeven $489.90 Implied vol 50.9% Delta -0.243 ≈24% ITM Gamma 0.004 Theta -0.434 Vega 0.476 Open interest 29 Model this put
0	1	54.4%	0.702	$63.70		$14.10	-0.278	46.8%	2	7
Call · $510 In the money Last $63.70 Breakeven $573.70 Implied vol 54.4% Delta 0.702 ≈70% ITM Gamma 0.004 Theta -0.566 Vega 0.482 Open interest 0 Model this call Put · $510 Last $14.10 Breakeven $495.90 Implied vol 46.8% Delta -0.278 ≈28% ITM Gamma 0.005 Theta -0.426 Vega 0.481 Open interest 7 Model this put
3	1	51.2%	0.66	$48.20		$21.00	-0.342	51.8%	1	6
Call · $520 In the money Last $48.20 Breakeven $568.20 Implied vol 51.2% Delta 0.66 ≈66% ITM Gamma 0.005 Theta -0.563 Vega 0.557 Open interest 3 Model this call Put · $520 Last $21.00 Breakeven $499.00 Implied vol 51.8% Delta -0.342 ≈34% ITM Gamma 0.005 Theta -0.52 Vega 0.557 Open interest 6 Model this put
1	1	53.7%	0.604	$30.80		$16.80	-0.395	51.3%	1	5
Call · $530 In the money Last $30.80 Breakeven $560.80 Implied vol 53.7% Delta 0.604 ≈60% ITM Gamma 0.005 Theta -0.61 Vega 0.564 Open interest 1 Model this call Put · $530 Last $16.80 Breakeven $513.20 Implied vol 51.3% Delta -0.395 ≈39% ITM Gamma 0.005 Theta -0.533 Vega 0.564 Open interest 5 Model this put
5	1	51.6%	0.553	$40.50		$29.69	-0.448	51%	2	5
Call · $540 In the money Last $40.50 Breakeven $580.50 Implied vol 51.6% Delta 0.553 ≈55% ITM Gamma 0.005 Theta -0.605 Vega 0.571 Open interest 5 Model this call Put · $540 Last $29.69 Breakeven $510.31 Implied vol 51% Delta -0.448 ≈45% ITM Gamma 0.005 Theta -0.548 Vega 0.571 Open interest 5 Model this put
Underlying $544.32
19	1	51.2%	0.501	$27.56		$33.46	-0.504	49.1%	2	5
Call · $550 Last $27.56 Breakeven $577.56 Implied vol 51.2% Delta 0.501 ≈50% ITM Gamma 0.005 Theta -0.6 Vega 0.578 Open interest 19 Model this call Put · $550 In the money Last $33.46 Breakeven $516.54 Implied vol 49.1% Delta -0.504 ≈50% ITM Gamma 0.006 Theta -0.526 Vega 0.578 Open interest 5 Model this put
11	1	51.8%	0.449	$23.40		$32.80	-0.56	48.6%	1	5
Call · $560 Last $23.40 Breakeven $583.40 Implied vol 51.8% Delta 0.449 ≈45% ITM Gamma 0.005 Theta -0.597 Vega 0.584 Open interest 11 Model this call Put · $560 In the money Last $32.80 Breakeven $527.20 Implied vol 48.6% Delta -0.56 ≈56% ITM Gamma 0.006 Theta -0.51 Vega 0.584 Open interest 5 Model this put
20	1	51.8%	0.398	$33.82		$36.70	-0.613	49.5%	2	5
Call · $570 Last $33.82 Breakeven $603.82 Implied vol 51.8% Delta 0.398 ≈40% ITM Gamma 0.005 Theta -0.588 Vega 0.591 Open interest 20 Model this call Put · $570 In the money Last $36.70 Breakeven $533.30 Implied vol 49.5% Delta -0.613 ≈61% ITM Gamma 0.006 Theta -0.509 Vega 0.58 Open interest 5 Model this put
7	1	48.9%	0.341	$17.50		$35.64	-0.67	47.3%	1	1
Call · $580 Last $17.50 Breakeven $597.50 Implied vol 48.9% Delta 0.341 ≈34% ITM Gamma 0.005 Theta -0.521 Vega 0.523 Open interest 7 Model this call Put · $580 In the money Last $35.64 Breakeven $544.36 Implied vol 47.3% Delta -0.67 ≈67% ITM Gamma 0.005 Theta -0.448 Vega 0.522 Open interest 1 Model this put
29	7	46.8%	0.282	$23.10		$42.45	-0.729	45.5%	1	1
Call · $590 Last $23.10 Breakeven $613.10 Implied vol 46.8% Delta 0.282 ≈28% ITM Gamma 0.005 Theta -0.459 Vega 0.53 Open interest 29 Model this call Put · $590 In the money Last $42.45 Breakeven $547.55 Implied vol 45.5% Delta -0.729 ≈73% ITM Gamma 0.005 Theta -0.391 Vega 0.522 Open interest 1 Model this put
9	4	47.8%	0.244	$9.00		$62.50	-0.772	45.8%	1	1
Call · $600 Last $9.00 Breakeven $609.00 Implied vol 47.8% Delta 0.244 ≈24% ITM Gamma 0.005 Theta -0.437 Vega 0.409 Open interest 9 Model this call Put · $600 In the money Last $62.50 Breakeven $537.50 Implied vol 45.8% Delta -0.772 ≈77% ITM Gamma 0.005 Theta -0.354 Vega 0.406 Open interest 1 Model this put
7	2	46.5%	0.199	$8.40		—	-0.816	45%	—	0
Call · $610 Last $8.40 Breakeven $618.40 Implied vol 46.5% Delta 0.199 ≈20% ITM Gamma 0.004 Theta -0.373 Vega 0.414 Open interest 7 Model this call Put · $610 In the money Last — Breakeven — Implied vol 45% Delta -0.816 ≈82% ITM Gamma 0.004 Theta -0.299 Vega 0.405 Open interest 0 Model this put
29	1	46.5%	0.162	$8.56		—	-0.856	45.1%	—	0
Call · $620 Last $8.56 Breakeven $628.56 Implied vol 46.5% Delta 0.162 ≈16% ITM Gamma 0.004 Theta -0.33 Vega 0.419 Open interest 29 Model this call Put · $620 In the money Last — Breakeven — Implied vol 45.1% Delta -0.856 ≈86% ITM Gamma 0.004 Theta -0.255 Vega 0.358 Open interest 0 Model this put
16	1	46.4%	0.133	$5.00		—	-0.893	43.3%	—	0
Call · $630 Last $5.00 Breakeven $635.00 Implied vol 46.4% Delta 0.133 ≈13% ITM Gamma 0.003 Theta -0.286 Vega 0.282 Open interest 16 Model this call Put · $630 In the money Last — Breakeven — Implied vol 43.3% Delta -0.893 ≈89% ITM Gamma 0.003 Theta -0.189 Vega 0.267 Open interest 0 Model this put
2	1	43%	0.087	$9.68		—	-0.921	43.4%	—	0
Call · $640 Last $9.68 Breakeven $649.68 Implied vol 43% Delta 0.087 ≈9% ITM Gamma 0.003 Theta -0.196 Vega 0.287 Open interest 2 Model this call Put · $640 In the money Last — Breakeven — Implied vol 43.4% Delta -0.921 ≈92% ITM Gamma 0.003 Theta -0.147 Vega 0.253 Open interest 0 Model this put
5	1	46.2%	0.082	$2.00		—	-0.97	38.2%	—	0
Call · $650 Last $2.00 Breakeven $652.00 Implied vol 46.2% Delta 0.082 ≈8% ITM Gamma 0.002 Theta -0.203 Vega 0.288 Open interest 5 Model this call Put · $650 In the money Last — Breakeven — Implied vol 38.2% Delta -0.97 ≈97% ITM Gamma 0.002 Theta -0.052 Vega 0.118 Open interest 0 Model this put
1	2	44.1%	0.058	$5.30		—	-0.991	36.9%	—	0
Call · $660 Last $5.30 Breakeven $665.30 Implied vol 44.1% Delta 0.058 ≈6% ITM Gamma 0.002 Theta -0.145 Vega 0.169 Open interest 1 Model this call Put · $660 In the money Last — Breakeven — Implied vol 36.9% Delta -0.991 ≈99% ITM Gamma 0.001 Theta -0.017 Vega 0.035 Open interest 0 Model this put
1	1	48.7%	0.063	$4.12		$120.00	-0.987	40.4%	1	0
Call · $670 Last $4.12 Breakeven $674.12 Implied vol 48.7% Delta 0.063 ≈6% ITM Gamma 0.002 Theta -0.171 Vega 0.17 Open interest 1 Model this call Put · $670 In the money Last $120.00 Breakeven $550.00 Implied vol 40.4% Delta -0.987 ≈99% ITM Gamma 0.001 Theta -0.027 Vega 0.044 Open interest 0 Model this put
1	1	46.5%	0.04	$3.00		—	—	—	—	0
Call · $680 Last $3.00 Breakeven $683.00 Implied vol 46.5% Delta 0.04 ≈4% ITM Gamma 0.001 Theta -0.114 Vega 0.172 Open interest 1 Model this call Put · $680 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	47.6%	0.034	—		—	—	—	—	0
Call · $690 Last — Breakeven — Implied vol 47.6% Delta 0.034 ≈3% ITM Gamma 0.001 Theta -0.102 Vega 0.087 Open interest 0 Model this call Put · $690 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	47.5%	0.027	—		—	—	—	—	0
Call · $700 Last — Breakeven — Implied vol 47.5% Delta 0.027 ≈3% ITM Gamma 0.001 Theta -0.084 Vega 0.088 Open interest 0 Model this call Put · $700 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	53.1%	0.034	—		—	—	—	—	0
Call · $710 Last — Breakeven — Implied vol 53.1% Delta 0.034 ≈3% ITM Gamma 0.001 Theta -0.114 Vega 0.088 Open interest 0 Model this call Put · $710 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
3	3	51.2%	0.024	$0.30		—	—	—	—	0
Call · $720 Last $0.30 Breakeven $720.30 Implied vol 51.2% Delta 0.024 ≈2% ITM Gamma 0.001 Theta -0.08 Vega 0.089 Open interest 3 Model this call Put · $720 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 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 874716 CUSIP 45168D104 13F (30d) 337 filings 330 filers Visit website Investor relations