Zentalis Pharmaceuticals (ZNTL) Options Chain
NASDAQ: ZNTLHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Dec 18, 2026
- Days to expiration
- 68
- Share price
- $2.64
- Put/call ratio (OI)
- 4.52
- Put/call ratio (volume)
- 2.46
- ATM implied volatility
- 410.0%
- Expected move
- ±$4.67
- Open interest (C / P)
- 249 / 1.13K
ZNTL options summary
The ZNTL options chain for the December 18, 2026 expiration lists 6 call and 4 put contracts, with 68 days until expiration. Open interest stands at 249 calls and 1,125 puts, a put/call ratio of 4.52, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $2.50 strike is 410.0%, which implies the market expects a move of about ±$4.67 (176.9%) in Zentalis Pharmaceuticals stock by expiration.
The most open interest sits at the $5.00 call (132 contracts) and the $5.00 put (1.10K contracts).
Summary generated from market data by MetaCap's automated system. Methodology
ZNTL options chain · December 18, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 3.40 | 0.05 | 4.60 | 0.50 | 0.00 | 0.00 | 0.12 | |||||
| 3.50 | 0.00 | 0.00 | 1.00 | — | — | — | |||||
| 0.85 | 0.05 | 3.30 | 2.50 | 0.00 | 3.10 | 0.20 | |||||
| 0.20 | 0.00 | 1.40 | 5.00 | 0.80 | 4.80 | 2.48 | |||||
| 0.05 | 0.00 | 2.70 | 7.50 | 2.60 | 7.30 | 4.70 | |||||
| 0.35 | 0.00 | 1.15 | 12.50 | — | — | — | |||||
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 ZNTL put/call ratio?
For the December 18, 2026 expiration, the ZNTL put/call ratio based on open interest is 4.52 (1,125 puts vs 249 calls), and 2.46 based on today's volume. A ratio above 1 means more puts than calls.
What is ZNTL's implied volatility?
At-the-money implied volatility for ZNTL options expiring December 18, 2026 is about 410.0%, an annualized estimate of how much the market expects Zentalis Pharmaceuticals stock to move.
How many ZNTL option expiration dates are there?
ZNTL 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.