Baxter International (BAX) Options Chain

NYSE: BAXHealth CareMedical/Dental InstrumentsUSD

24.35+0.45 (+1.88%)

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

Expiration date

Expiration: Oct 23, 2026
Days to expiration: 12
Share price: $24.35
Put/call ratio (OI): 0.97
Put/call ratio (volume): 1.47
ATM implied volatility: 41.9%
Expected move: ±$1.85
Open interest (C / P): 523 / 508

BAX options summary

The BAX options chain for the October 23, 2026 expiration lists 9 call and 9 put contracts, with 12 days until expiration. Open interest stands at 523 calls and 508 puts, a put/call ratio of 0.97, which is fairly balanced between calls and puts. At-the-money implied volatility near the $24.00 strike is 41.9%, which implies the market expects a move of about ±$1.85 (7.6%) in Baxter International stock by expiration.

The most open interest sits at the $25.00 call (188 contracts) and the $22.00 put (229 contracts).

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

BAX options chain · October 23, 2026

BAX 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	3	151.6%	8.15	8.20	10.70	15.00	—	—	—	—	—	—
31	10	121.5%	5.42	4.90	5.70	19.00	0.00	0.75	0.13	124.4%	3	3
—	—	—	—	—	—	20.00	0.00	0.75	0.10	105.7%	1	18
1	—	124.4%	2.61	2.30	4.20	21.00	0.00	0.80	0.11	89.5%	1	9
—	—	—	—	—	—	22.00	0.00	0.15	0.22	49.2%	5	229
96	1	92.0%	1.40	0.80	2.40	23.00	0.15	0.30	0.20	44.9%	31	208
58	10	41.9%	0.79	0.35	0.95	24.00	0.40	0.60	0.75	41.9%	3	35
BAX $24.35
188	2	39.3%	0.36	0.10	0.45	25.00	0.40	1.70	1.85	72.8%	1	1
47	1	43.6%	0.20	0.10	0.25	26.00	0.70	2.45	2.60	78.2%	—	5
64	4	61.1%	0.12	0.00	0.30	27.00	—	—	—	—	—	—
38	1	79.9%	0.05	0.00	0.75	28.00	—	—	—	—	—	—
—	—	—	—	—	—	30.00	5.10	6.90	6.45	100.4%	2	0

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 BAX put/call ratio?

For the October 23, 2026 expiration, the BAX put/call ratio based on open interest is 0.97 (508 puts vs 523 calls), and 1.47 based on today's volume. A ratio above 1 means more puts than calls.

What is BAX's implied volatility?

At-the-money implied volatility for BAX options expiring October 23, 2026 is about 41.9%, an annualized estimate of how much the market expects Baxter International stock to move.

How many BAX option expiration dates are there?

BAX has 15 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.