Inspire Medical Systems (INSP) Options Chain

NYSE: INSPHealth CareMedical/Dental InstrumentsUSD

68.74+2.05 (+3.07%)

Market open · Delayed 15 min · as of Oct 9, 1:25 PM ET

Expiration date

Expiration: Oct 16, 2026
Days to expiration: 7
Share price: $68.69
Put/call ratio (OI): 0.29
Put/call ratio (volume): 0.07
ATM implied volatility: 50.9%
Expected move: ±$4.84
Open interest (C / P): 2.55K / 739

INSP options summary

The INSP options chain for the October 16, 2026 expiration lists 10 call and 10 put contracts, with 7 days until expiration. Open interest stands at 2,547 calls and 739 puts, a put/call ratio of 0.29, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $70.00 strike is 50.9%, which implies the market expects a move of about ±$4.84 (7.0%) in Inspire Medical Systems stock by expiration.

The most open interest sits at the $85.00 call (1.10K contracts) and the $55.00 put (512 contracts).

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

INSP options chain · October 16, 2026

INSP 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
—	—	—	—	—	—	35.00	0.00	2.00	0.05	339.1%	4	6
—	—	—	—	—	—	40.00	0.00	0.75	0.10	224.4%	2	7
—	—	—	—	—	—	45.00	0.00	0.75	0.10	182.4%	—	2
51	2	187.4%	23.10	17.00	19.70	50.00	—	—	—	—	—	—
1	—	139.8%	8.50	12.10	14.60	55.00	0.00	0.75	0.15	108.5%	1	512
5	1	60.5%	10.71	7.40	10.30	60.00	0.00	1.35	1.35	89.3%	3	78
12	1	50.4%	11.16	3.10	5.60	65.00	0.25	1.35	1.80	54.8%	17	22
INSP $68.69
27	6	51.1%	2.20	1.00	2.00	70.00	2.20	3.40	4.00	50.7%	1	79
742	1	55.4%	0.48	0.00	0.85	75.00	5.60	8.20	8.19	61.7%	3	33
332	229	96.6%	1.35	0.00	1.55	80.00	—	—	—	—	—	—
1,098	20	82.2%	0.09	0.00	0.30	85.00	14.70	18.00	13.00	65.2%	—	0
276	201	131.5%	0.35	0.00	1.15	90.00	19.70	23.10	17.90	90.6%	—	0
3	1	183.0%	0.05	0.00	1.15	105.00	—	—	—	—	—	—

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 INSP put/call ratio?

For the October 16, 2026 expiration, the INSP put/call ratio based on open interest is 0.29 (739 puts vs 2,547 calls), and 0.07 based on today's volume. A ratio above 1 means more puts than calls.

What is INSP's implied volatility?

At-the-money implied volatility for INSP options expiring October 16, 2026 is about 50.9%, an annualized estimate of how much the market expects Inspire Medical Systems stock to move.

How many INSP option expiration dates are there?

INSP has 8 listed expiration dates, from Oct 16, 2026 to Dec 17, 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.