Compass Therapeutics (CMPX) Options Chain
NASDAQ: CMPXHealth CareBiotechnology: Biological Products (No Diagnostic Substances)USD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
After hours: 1.01 +1.71%
Expiration date
- Expiration
- May 21, 2027
- Days to expiration
- 224
- Share price
- $0.993
- Put/call ratio (OI)
- 0.08
- Put/call ratio (volume)
- 0.00
- ATM implied volatility
- 120.7%
- Expected move
- ±$0.9389
- Open interest (C / P)
- 12 / 1
CMPX options summary
The CMPX options chain for the May 21, 2027 expiration lists 1 call and 1 put contracts, with 224 days until expiration. Open interest stands at 12 calls and 1 puts, a put/call ratio of 0.08, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $1.00 strike is 120.7%, which implies the market expects a move of about ±$0.9389 (94.6%) in Compass Therapeutics stock by expiration.
The most open interest sits at the $1.00 call (12 contracts) and the $1.00 put (1 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
CMPX options chain · May 21, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 0.40 | 0.00 | 0.75 | 1.00 | 0.00 | 0.70 | 0.45 | |||||
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 CMPX put/call ratio?
For the May 21, 2027 expiration, the CMPX put/call ratio based on open interest is 0.08 (1 puts vs 12 calls), and 0.00 based on today's volume. A ratio above 1 means more puts than calls.
What is CMPX's implied volatility?
At-the-money implied volatility for CMPX options expiring May 21, 2027 is about 120.7%, an annualized estimate of how much the market expects Compass Therapeutics stock to move.
How many CMPX option expiration dates are there?
CMPX 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.