Entera Bio (ENTX) Options Chain
NASDAQ: ENTXHealth CareBiotechnology: Biological Products (No Diagnostic Substances)USD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Feb 19, 2027
- Days to expiration
- 131
- Share price
- $2.66
- Put/call ratio (OI)
- 0.07
- Put/call ratio (volume)
- 69.11
- ATM implied volatility
- 273.4%
- Expected move
- ±$4.36
- Open interest (C / P)
- 218 / 16
ENTX options summary
The ENTX options chain for the February 19, 2027 expiration lists 5 call and 3 put contracts, with 131 days until expiration. Open interest stands at 218 calls and 16 puts, a put/call ratio of 0.07, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $3.00 strike is 273.4%, which implies the market expects a move of about ±$4.36 (163.8%) in Entera Bio stock by expiration.
The most open interest sits at the $3.00 call (154 contracts) and the $2.00 put (13 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
ENTX options chain · February 19, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 2.50 | 0.00 | 4.70 | 1.00 | 0.00 | 0.00 | 0.18 | |||||
| 1.25 | 0.00 | 4.00 | 2.00 | 0.00 | 3.70 | 0.46 | |||||
| 0.70 | 0.10 | 2.90 | 3.00 | — | — | — | |||||
| 1.83 | 0.00 | 0.90 | 4.00 | 0.00 | 4.90 | 1.00 | |||||
| 1.71 | 0.00 | 0.95 | 5.00 | — | — | — | |||||
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 ENTX put/call ratio?
For the February 19, 2027 expiration, the ENTX put/call ratio based on open interest is 0.07 (16 puts vs 218 calls), and 69.11 based on today's volume. A ratio above 1 means more puts than calls.
What is ENTX's implied volatility?
At-the-money implied volatility for ENTX options expiring February 19, 2027 is about 273.4%, an annualized estimate of how much the market expects Entera Bio stock to move.
How many ENTX option expiration dates are there?
ENTX has 4 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.