Omeros (OMER) Options Chain
NASDAQ: OMERHealth 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
- $19.83
- Put/call ratio (OI)
- 0.00
- Put/call ratio (volume)
- 0.00
- Expected move
- ±$11.06
- Open interest (C / P)
- 4 / 0
OMER options summary
The OMER options chain for the May 21, 2027 expiration lists 4 call and 1 put contracts, with 223 days until expiration. Open interest stands at 4 calls and 0 puts, a put/call ratio of 0.00, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $20.00 strike is 71.4%, which implies the market expects a move of about ±$11.06 (55.8%) in Omeros stock by expiration.
Summary generated from market data by MetaCap's automated system. Methodology
OMER options chain · May 21, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 6.44 | 4.50 | 7.00 | 17.00 | — | — | — | |||||
| — | — | — | 18.00 | — | — | 3.30 | |||||
| 5.50 | 4.10 | 5.60 | 19.00 | — | — | — | |||||
| 4.35 | 3.80 | 4.80 | 20.00 | — | — | — | |||||
| 4.33 | 2.40 | 4.40 | 22.00 | — | — | — | |||||
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 OMER put/call ratio?
For the May 21, 2027 expiration, the OMER put/call ratio based on open interest is 0.00 (0 puts vs 4 calls), and 0.00 based on today's volume. A ratio above 1 means more puts than calls.
What is OMER's implied volatility?
At-the-money implied volatility for OMER options expiring May 21, 2027 is about 71.4%, an annualized estimate of how much the market expects Omeros stock to move.
How many OMER option expiration dates are there?
OMER has 8 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.