IDEXX Laboratories (IDXX) Options Chain

NASDAQ: IDXXHealth CareBiotechnology: In Vitro & In Vivo Diagnostic SubstancesUSD

518.00+4.86 (+0.95%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Oct 16, 2026
Days to expiration: 6
Share price: $518.00
Put/call ratio (OI): 0.53
Put/call ratio (volume): 0.47
ATM implied volatility: 41.8%
Expected move: ±$27.74
Open interest (C / P): 791 / 420

IDXX options summary

The IDXX options chain for the October 16, 2026 expiration lists 41 call and 36 put contracts, with 6 days until expiration. Open interest stands at 791 calls and 420 puts, a put/call ratio of 0.53, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $520.00 strike is 41.8%, which implies the market expects a move of about ±$27.74 (5.4%) in IDEXX Laboratories stock by expiration.

The most open interest sits at the $540.00 call (151 contracts) and the $510.00 put (62 contracts).

Summary generated from market data by MetaCap's automated system. Methodology

IDXX options chain · October 16, 2026

IDXX calls and puts by strike price. Shaded cells are in the money.
Calls							Puts
OI	Vol	IV	Last	Bid	Ask	Strike	Bid	Ask	Last	IV	Vol	OI
—	—	—	—	—	—	300.00	0.00	0.00	0.20	50.0%	1	0
—	—	—	—	—	—	310.00	0.00	0.00	1.04	50.0%	—	0
1	—	122.5%	186.10	173.90	182.40	340.00	0.00	0.00	1.97	50.0%	54	0
—	—	—	—	—	—	350.00	0.00	4.80	2.15	176.8%	36	17
—	—	—	—	—	—	360.00	0.00	4.40	0.62	163.1%	1	1
—	—	—	—	—	—	370.00	0.00	4.40	1.00	152.9%	1	2
—	—	—	—	—	—	380.00	0.00	7.00	1.00	158.9%	1	19
—	—	—	—	—	—	400.00	0.05	7.30	5.00	139.5%	2	6
—	—	—	—	—	—	410.00	0.00	3.50	2.45	108.1%	2	2
—	—	—	—	—	—	420.00	0.00	5.80	2.95	111.6%	1	3
—	—	—	—	—	—	430.00	0.00	0.55	1.07	64.2%	1	14
1	—	56.5%	78.30	74.00	82.50	440.00	0.00	2.50	1.48	75.2%	10	10
3	—	92.8%	57.75	64.10	72.30	450.00	0.00	3.80	0.69	73.8%	3	13
—	—	—	—	—	—	460.00	0.00	4.90	0.80	69.5%	23	20
2	1	73.8%	40.88	44.20	52.60	470.00	0.00	4.90	1.16	60.1%	1	27
2	1	64.7%	46.77	34.50	42.90	480.00	0.00	4.90	1.50	50.5%	2	49
3	1	54.5%	32.38	25.00	33.10	490.00	0.50	7.50	0.80	65.3%	1	47
25	12	47.3%	14.50	16.00	24.20	500.00	1.90	2.90	1.90	32.9%	3	23
28	1	42.9%	10.20	10.80	16.60	510.00	2.80	8.60	8.40	42.9%	1	62
IDXX $518.00
17	1	44.9%	5.19	5.60	11.90	520.00	7.00	12.10	8.41	38.6%	1	29
52	2	48.3%	3.50	0.05	8.80	530.00	12.90	18.50	20.25	39.8%	2	30
151	104	55.0%	2.98	0.50	7.40	540.00	20.00	26.30	28.90	42.1%	1	12
79	152	39.1%	1.04	0.00	1.95	550.00	30.50	36.90	29.00	54.5%	6	25
26	1	50.4%	2.50	0.00	2.50	560.00	38.30	46.50	38.20	61.6%	7	1
19	4	57.7%	2.05	0.00	4.90	570.00	50.10	56.40	38.00	69.5%	1	0
18	1	64.9%	2.49	0.00	4.90	580.00	0.00	0.00	26.80	—	16	0
11	1	71.8%	2.41	0.00	4.90	590.00	67.50	76.40	84.10	84.9%	1	0
40	1	78.4%	0.10	0.00	4.90	600.00	57.20	64.70	90.00	—	5	8
105	2	84.7%	2.24	0.00	4.90	610.00	—	—	—	—	—	—
11	8	90.8%	2.32	0.00	4.90	620.00	97.50	106.40	105.71	105.8%	1	0
7	6	96.8%	2.76	0.00	4.90	630.00	—	—	—	—	—	—
0	2	25.0%	8.50	0.00	0.00	640.00	76.00	84.50	84.85	—	1	0
28	1	96.2%	0.50	0.00	2.80	650.00	82.00	90.80	90.60	—	1	0
0	2	25.0%	2.27	0.00	0.00	660.00	—	—	—	—	—	—
14	7	118.8%	1.32	0.00	4.90	670.00	0.00	0.00	104.90	—	1	0
22	20	124.0%	0.10	0.00	4.90	680.00	0.00	0.00	89.00	—	—	0
3	2	129.0%	0.10	0.00	4.90	690.00	—	—	—	—	—	—
43	1	94.0%	0.05	0.00	0.55	700.00	160.10	169.40	117.50	—	—	0
0	1	50.0%	2.47	0.00	0.00	710.00	170.10	179.40	127.40	—	—	0
2	1	155.6%	2.80	0.00	7.20	720.00	—	—	—	—	—	—
1	—	159.9%	3.10	0.00	7.10	730.00	—	—	—	—	—	—
32	32	121.9%	1.00	0.00	1.30	740.00	—	—	—	—	—	—
0	1	50.0%	3.49	0.00	0.00	750.00	—	—	—	—	—	—
0	1	50.0%	9.50	0.00	0.00	760.00	—	—	—	—	—	—
0	—	50.0%	8.70	0.00	0.00	770.00	—	—	—	—	—	—
7	1	177.1%	3.01	0.00	4.80	800.00	206.20	215.60	209.20	—	—	0
1	—	192.4%	6.80	0.00	4.80	840.00	—	—	—	—	—	—
6	1	199.6%	4.10	0.00	4.80	860.00	—	—	—	—	—	—
31	20	206.6%	2.35	0.00	4.80	880.00	—	—	—	—	—	—
0	2	50.0%	0.56	0.00	0.00	900.00	—	—	—	—	—	—
0	3	50.0%	0.20	0.00	0.00	960.00	—	—	—	—	—	—
0	3	50.0%	0.30	0.00	0.00	980.00	—	—	—	—	—	—

In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.

Frequently asked questions

What is the IDXX put/call ratio?

For the October 16, 2026 expiration, the IDXX put/call ratio based on open interest is 0.53 (420 puts vs 791 calls), and 0.47 based on today's volume. A ratio above 1 means more puts than calls.

What is IDXX's implied volatility?

At-the-money implied volatility for IDXX options expiring October 16, 2026 is about 41.8%, an annualized estimate of how much the market expects IDEXX Laboratories stock to move.

How many IDXX option expiration dates are there?

IDXX has 5 listed expiration dates, from Oct 16, 2026 to Apr 16, 2027.

What does "in the money" mean?

A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.