Baxter International (BAX) Options Chain

NYSE: BAXHealthcareMedical Instruments & SuppliesUSD

23.90-0.07 (-0.29%)

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

Expiration date

Expiration: Oct 9, 2026
Days to expiration: 1
Share price: $23.90
Put/call ratio (OI): 0.24
Put/call ratio (volume): 0.12
ATM implied volatility: 51.8%
Expected move: ±$0.6475
Open interest (C / P): 993 / 234

BAX options summary

The BAX options chain for the October 9, 2026 expiration lists 21 call and 14 put contracts, with 1 day until expiration. Open interest stands at 993 calls and 234 puts, a put/call ratio of 0.24, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $24.00 strike is 51.8%, which implies the market expects a move of about ±$0.6475 (2.7%) in Baxter International stock by expiration.

The most open interest sits at the $24.50 call (312 contracts) and the $23.00 put (62 contracts).

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

BAX options chain · October 9, 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
185	364	615.6%	8.85	8.60	9.10	15.00	0.00	1.35	0.27	869.5%	—	6
19	13	604.7%	7.92	6.70	8.20	16.00	0.00	1.20	0.47	747.7%	—	3
21	7	506.3%	6.81	6.40	7.90	17.00	—	—	—	—	—	—
167	5	50.0%	5.80	5.70	6.10	18.00	—	—	—	—	—	—
—	—	—	—	—	—	20.00	0.00	0.75	0.37	358.6%	1	10
21	5	232.0%	3.14	2.50	3.10	21.00	0.00	0.75	0.17	291.0%	5	12
6	5	202.3%	2.64	2.00	2.60	21.50	0.00	0.75	0.22	257.0%	—	1
7	1	155.5%	1.70	1.60	2.05	22.00	0.00	0.75	0.15	222.7%	4	17
3	1	181.3%	1.71	1.00	1.75	22.50	0.00	0.10	0.05	89.1%	2	44
9	9	133.6%	0.78	0.55	1.20	23.00	0.00	0.10	0.05	64.1%	6	62
38	4	106.3%	0.48	0.15	0.75	23.50	0.00	0.15	0.15	62.5%	3	6
BAX $23.90
50	9	49.2%	0.15	0.00	0.20	24.00	0.10	0.55	0.35	54.3%	3	40
312	18	61.7%	0.05	0.00	0.10	24.50	—	—	—	—	—	—
68	1	88.7%	0.15	0.00	0.20	25.00	0.15	1.50	1.00	164.1%	16	10
36	11	188.7%	0.13	0.00	0.75	25.50	—	—	—	—	—	—
21	17	241.4%	0.07	0.00	0.95	26.00	1.85	2.55	2.00	135.2%	15	21
10	2	163.3%	0.12	0.00	0.15	27.00	—	—	—	—	—	—
3	2	393.8%	0.06	0.00	1.35	28.00	—	—	—	—	—	—
7	—	215.6%	0.20	0.00	0.05	30.00	—	—	—	—	—	—
7	—	493.8%	0.08	0.00	1.15	31.00	—	—	—	—	—	—
1	—	733.2%	0.47	0.00	2.10	34.00	9.90	10.70	10.32	451.6%	1	1
2	—	767.2%	0.27	0.00	2.10	35.00	—	—	—	—	—	—
—	—	—	—	—	—	36.00	11.90	12.90	12.17	553.1%	1	1

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 9, 2026 expiration, the BAX put/call ratio based on open interest is 0.24 (234 puts vs 993 calls), and 0.12 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 9, 2026 is about 51.8%, an annualized estimate of how much the market expects Baxter International stock to move.

How many BAX option expiration dates are there?

BAX has 16 listed expiration dates, from Oct 9, 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.