Zenas BioPharma (ZBIO) Options Chain
NASDAQ: ZBIOHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Mar 19, 2027
- Days to expiration
- 159
- Share price
- $27.26
- Put/call ratio (OI)
- 0.00
- Put/call ratio (volume)
- 0.30
- ATM implied volatility
- 140.1%
- Expected move
- ±$25.20
- Open interest (C / P)
- 42 / 0
ZBIO options summary
The ZBIO options chain for the March 19, 2027 expiration lists 5 call and 2 put contracts, with 159 days until expiration. Open interest stands at 42 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 $25.00 strike is 140.1%, which implies the market expects a move of about ±$25.20 (92.4%) in Zenas BioPharma stock by expiration.
The most open interest sits at the $40.00 call (28 contracts) and the $20.00 put (0 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
ZBIO options chain · March 19, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 25.86 | 27.00 | 31.50 | 2.50 | — | — | — | |||||
| — | — | — | 20.00 | 0.20 | 4.90 | 1.90 | |||||
| 5.20 | 0.00 | 0.00 | 22.50 | — | — | — | |||||
| 9.30 | 8.10 | 12.90 | 25.00 | — | — | — | |||||
| 4.53 | 2.50 | 6.90 | 30.00 | 0.00 | 0.00 | 6.10 | |||||
| 2.60 | 1.80 | 4.30 | 40.00 | — | — | — | |||||
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 ZBIO put/call ratio?
For the March 19, 2027 expiration, the ZBIO put/call ratio based on open interest is 0.00 (0 puts vs 42 calls), and 0.30 based on today's volume. A ratio above 1 means more puts than calls.
What is ZBIO's implied volatility?
At-the-money implied volatility for ZBIO options expiring March 19, 2027 is about 140.1%, an annualized estimate of how much the market expects Zenas BioPharma stock to move.
How many ZBIO option expiration dates are there?
ZBIO has 7 listed expiration dates, from Oct 16, 2026 to Dec 17, 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.