Avantor (AVTR) Options Chain

NYSE: AVTRIndustrialsBiotechnology: Laboratory Analytical InstrumentsUSD

15.39+0.04 (+0.26%)

At close: Oct 8, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Oct 16, 2026
Days to expiration: 8
Share price: $15.39
Put/call ratio (OI): 0.02
Put/call ratio (volume): 0.24
ATM implied volatility: 40.9%
Expected move: ±$0.9322
Open interest (C / P): 102.83K / 2.09K

AVTR options summary

The AVTR options chain for the October 16, 2026 expiration lists 12 call and 7 put contracts, with 8 days until expiration. Open interest stands at 102,830 calls and 2,093 puts, a put/call ratio of 0.02, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $15.00 strike is 40.9%, which implies the market expects a move of about ±$0.9322 (6.1%) in Avantor stock by expiration.

The most open interest sits at the $15.00 call (40.46K contracts) and the $13.00 put (1.70K contracts).

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

AVTR options chain · October 16, 2026

AVTR 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
0	—	—	8.72	0.00	0.00	5.00	—	—	—	—	—	—
0	—	—	7.71	0.00	0.00	6.00	—	—	—	—	—	—
0	—	—	6.74	0.00	0.00	7.00	—	—	—	—	—	—
82	80	385.2%	6.50	5.60	7.00	9.00	—	—	—	—	—	—
1	1	284.4%	5.10	4.70	5.80	10.00	0.00	1.75	0.50	380.9%	—	41
1	—	237.5%	5.15	3.70	4.80	11.00	0.00	1.75	0.65	323.6%	—	2
10,007	1	127.0%	3.03	3.20	3.50	12.00	0.00	0.05	0.06	92.2%	15	92
40,334	2	94.5%	2.64	2.25	2.50	13.00	0.00	0.05	0.05	67.2%	4	1,695
10,279	6	62.9%	1.15	1.30	1.50	14.00	0.00	0.05	0.05	49.6%	6	191
40,464	1	41.6%	0.35	0.45	0.60	15.00	0.10	0.20	0.14	40.2%	2	42
AVTR $15.39
1,442	27	41.0%	0.22	0.05	0.15	16.00	0.50	1.25	0.85	55.5%	1	30
220	1	102.2%	0.10	0.00	0.75	17.00	—	—	—	—	—	—

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 AVTR put/call ratio?

For the October 16, 2026 expiration, the AVTR put/call ratio based on open interest is 0.02 (2,093 puts vs 102,830 calls), and 0.24 based on today's volume. A ratio above 1 means more puts than calls.

What is AVTR's implied volatility?

At-the-money implied volatility for AVTR options expiring October 16, 2026 is about 40.9%, an annualized estimate of how much the market expects Avantor stock to move.

How many AVTR option expiration dates are there?

AVTR has 8 listed expiration dates, from Oct 16, 2026 to Jan 19, 2029.

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.