Boston Scientific (BSX) Options Chain

NYSE: BSXHealth CareMedical/Dental InstrumentsUSD

42.73+0.69 (+1.64%)

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

Expiration date

Expiration: Feb 19, 2027
Days to expiration: 131
Share price: $42.73
Put/call ratio (OI): 2.58
Put/call ratio (volume): 1.98
ATM implied volatility: 44.5%
Expected move: ±$11.38
Open interest (C / P): 3.28K / 8.48K

BSX options summary

The BSX options chain for the February 19, 2027 expiration lists 11 call and 10 put contracts, with 131 days until expiration. Open interest stands at 3,280 calls and 8,477 puts, a put/call ratio of 2.58, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $45.00 strike is 44.5%, which implies the market expects a move of about ±$11.38 (26.6%) in Boston Scientific stock by expiration.

The most open interest sits at the $55.00 call (1.02K contracts) and the $40.00 put (3.84K contracts).

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

BSX options chain · February 19, 2027

BSX 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
12	2	68.4%	20.40	19.80	21.30	22.50	0.00	0.40	0.30	62.1%	23	75
7	2	58.6%	23.40	17.40	18.70	25.00	0.05	0.15	0.12	50.3%	2	84
18	1	61.2%	12.60	12.80	13.90	30.00	0.35	0.60	0.57	49.3%	2	99
14	1	54.2%	8.63	8.70	9.80	35.00	0.95	1.30	1.25	43.6%	1	1,007
35	18	49.7%	5.80	5.60	6.40	40.00	2.60	3.10	2.85	43.8%	15	3,840
BSX $42.73
198	6	47.2%	3.70	3.60	3.90	45.00	5.20	5.60	5.41	41.7%	7	2,243
650	10	47.0%	2.10	1.85	2.35	50.00	8.60	9.30	8.60	43.5%	2	650
1,024	8	47.2%	1.20	1.10	1.40	55.00	12.70	13.60	10.67	46.3%	70	401
392	4	47.9%	0.70	0.50	0.85	60.00	17.20	18.10	17.10	47.6%	1	78
699	1	47.0%	0.37	0.25	0.45	65.00	0.00	0.00	16.20	—	—	0
231	9	48.6%	0.20	0.15	0.30	70.00	—	—	—	—	—	—

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 BSX put/call ratio?

For the February 19, 2027 expiration, the BSX put/call ratio based on open interest is 2.58 (8,477 puts vs 3,280 calls), and 1.98 based on today's volume. A ratio above 1 means more puts than calls.

What is BSX's implied volatility?

At-the-money implied volatility for BSX options expiring February 19, 2027 is about 44.5%, an annualized estimate of how much the market expects Boston Scientific stock to move.

How many BSX option expiration dates are there?

BSX 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.