CytomX Therapeutics (CTMX) Options Chain
NASDAQ: CTMXHealth 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
- $2.57
- Put/call ratio (OI)
- 0.00
- Put/call ratio (volume)
- 0.01
- ATM implied volatility
- 122.8%
- Expected move
- ±$2.47
- Open interest (C / P)
- 265 / 1
CTMX options summary
The CTMX options chain for the May 21, 2027 expiration lists 3 call and 1 put contracts, with 223 days until expiration. Open interest stands at 265 calls and 1 puts, a put/call ratio of 0.00, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $3.00 strike is 122.8%, which implies the market expects a move of about ±$2.47 (96.0%) in CytomX Therapeutics stock by expiration.
The most open interest sits at the $6.00 call (200 contracts) and the $5.00 put (1 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
CTMX options chain · May 21, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 0.80 | 0.65 | 1.00 | 3.00 | — | — | — | |||||
| 0.55 | 0.20 | 0.75 | 4.00 | — | — | — | |||||
| — | — | — | 5.00 | 2.30 | 3.30 | 2.57 | |||||
| 0.40 | 0.00 | 0.95 | 6.00 | — | — | — | |||||
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 CTMX put/call ratio?
For the May 21, 2027 expiration, the CTMX put/call ratio based on open interest is 0.00 (1 puts vs 265 calls), and 0.01 based on today's volume. A ratio above 1 means more puts than calls.
What is CTMX's implied volatility?
At-the-money implied volatility for CTMX options expiring May 21, 2027 is about 122.8%, an annualized estimate of how much the market expects CytomX Therapeutics stock to move.
How many CTMX option expiration dates are there?
CTMX has 6 listed expiration dates, from Oct 16, 2026 to Jan 21, 2028.
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.