Insmed (INSM) Options Chain
NASDAQ: INSMHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- May 21, 2027
- Days to expiration
- 223
- Share price
- $100.60
- Put/call ratio (OI)
- 0.16
- Put/call ratio (volume)
- 0.05
- Expected move
- ±$42.34
- Open interest (C / P)
- 272 / 43
INSM options summary
The INSM options chain for the May 21, 2027 expiration lists 18 call and 9 put contracts, with 223 days until expiration. Open interest stands at 272 calls and 43 puts, a put/call ratio of 0.16, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $100.00 strike is 53.8%, which implies the market expects a move of about ±$42.34 (42.1%) in Insmed stock by expiration.
The most open interest sits at the $150.00 call (123 contracts) and the $105.00 put (24 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
INSM options chain · May 21, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 70.00 | 2.00 | 6.20 | 2.25 | |||||
| — | — | — | 75.00 | 0.00 | 0.00 | 2.55 | |||||
| — | — | — | 85.00 | — | — | 7.80 | |||||
| 25.81 | 22.40 | 26.30 | 90.00 | 9.40 | 13.40 | 12.62 | |||||
| 20.20 | — | — | 95.00 | — | — | — | |||||
| 18.01 | — | — | 100.00 | 14.40 | 18.50 | 10.62 | |||||
| 18.52 | 15.50 | 19.60 | 105.00 | 8.40 | 12.50 | 24.30 | |||||
| 17.00 | 13.60 | 17.70 | 110.00 | 20.40 | 24.50 | 17.00 | |||||
| 21.35 | 12.40 | 15.50 | 115.00 | — | — | — | |||||
| 12.30 | 10.40 | 14.50 | 120.00 | 27.10 | 31.00 | 16.72 | |||||
| 22.30 | 9.10 | 13.00 | 125.00 | — | — | — | |||||
| 9.50 | 7.90 | 11.10 | 130.00 | — | — | — | |||||
| 27.80 | 0.00 | 0.00 | 135.00 | — | — | — | |||||
| 8.00 | — | — | 140.00 | 0.00 | 0.00 | 26.50 | |||||
| 8.50 | — | — | 145.00 | — | — | — | |||||
| 11.04 | 3.80 | 7.70 | 150.00 | — | — | — | |||||
| 13.15 | 3.00 | 7.20 | 155.00 | — | — | — | |||||
| 4.25 | 2.40 | 6.20 | 160.00 | — | — | — | |||||
| 2.70 | — | — | 190.00 | — | — | — | |||||
| 1.95 | 1.20 | 3.90 | 195.00 | — | — | — | |||||
| 1.90 | 1.05 | 3.80 | 200.00 | — | — | — | |||||
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 INSM put/call ratio?
For the May 21, 2027 expiration, the INSM put/call ratio based on open interest is 0.16 (43 puts vs 272 calls), and 0.05 based on today's volume. A ratio above 1 means more puts than calls.
What is INSM's implied volatility?
At-the-money implied volatility for INSM options expiring May 21, 2027 is about 53.8%, an annualized estimate of how much the market expects Insmed stock to move.
How many INSM option expiration dates are there?
INSM has 11 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.