Outset Medical (OM) Options Chain
NASDAQ: OMHealth CareBiotechnology: Electromedical & Electrotherapeutic ApparatusUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 7
- Share price
- $4.05
- Put/call ratio (OI)
- 2.22
- Put/call ratio (volume)
- 3.67
- ATM implied volatility
- 443.0%
- Expected move
- ±$2.48
- Open interest (C / P)
- 37 / 82
OM options summary
The OM options chain for the October 16, 2026 expiration lists 1 call and 2 put contracts, with 7 days until expiration. Open interest stands at 37 calls and 82 puts, a put/call ratio of 2.22, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $5.00 strike is 443.0%, which implies the market expects a move of about ±$2.48 (61.3%) in Outset Medical stock by expiration.
The most open interest sits at the $5.00 call (37 contracts) and the $2.50 put (70 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
OM options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 2.50 | 0.00 | 0.05 | 0.01 | |||||
| 0.05 | 0.00 | 0.30 | 5.00 | 0.45 | 3.90 | 1.89 | |||||
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 OM put/call ratio?
For the October 16, 2026 expiration, the OM put/call ratio based on open interest is 2.22 (82 puts vs 37 calls), and 3.67 based on today's volume. A ratio above 1 means more puts than calls.
What is OM's implied volatility?
At-the-money implied volatility for OM options expiring October 16, 2026 is about 443.0%, an annualized estimate of how much the market expects Outset Medical stock to move.
How many OM option expiration dates are there?
OM has 5 listed expiration dates, from Oct 16, 2026 to May 21, 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.