Inspire Medical Systems (INSP) Options Chain
NYSE: INSPHealth CareMedical/Dental InstrumentsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Mar 19, 2027
- Days to expiration
- 159
- Share price
- $68.89
- Put/call ratio (OI)
- 0.35
- Put/call ratio (volume)
- 0.60
- Expected move
- ±$30.70
- Open interest (C / P)
- 20 / 7
INSP options summary
The INSP options chain for the March 19, 2027 expiration lists 8 call and 2 put contracts, with 159 days until expiration. Open interest stands at 20 calls and 7 puts, a put/call ratio of 0.35, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $70.00 strike is 67.5%, which implies the market expects a move of about ±$30.70 (44.6%) in Inspire Medical Systems stock by expiration.
The most open interest sits at the $75.00 call (6 contracts) and the $25.00 put (6 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
INSP options chain · March 19, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 25.00 | 0.00 | 2.25 | 1.04 | |||||
| — | — | — | 40.00 | 0.00 | 3.40 | 2.73 | |||||
| 10.30 | 14.30 | 18.10 | 55.00 | — | — | — | |||||
| 12.35 | 0.00 | 0.00 | 60.00 | — | — | — | |||||
| 12.10 | 12.20 | 15.90 | 65.00 | — | — | — | |||||
| 15.75 | 9.80 | 13.60 | 70.00 | — | — | — | |||||
| 13.28 | 7.90 | 12.00 | 75.00 | — | — | — | |||||
| 11.35 | 6.20 | 9.90 | 80.00 | — | — | — | |||||
| 7.16 | 5.00 | 8.40 | 85.00 | — | — | — | |||||
| 4.98 | 1.60 | 4.60 | 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 March 19, 2027 expiration, the INSP put/call ratio based on open interest is 0.35 (7 puts vs 20 calls), and 0.60 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 March 19, 2027 is about 67.5%, 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.