Zai Lab (ZLAB) Options Chain
NASDAQ: ZLABHealth 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
- $24.99
- Put/call ratio (OI)
- 3.14
- Put/call ratio (volume)
- 1.12
- Expected move
- ±$10.38
- Open interest (C / P)
- 756 / 2.38K
ZLAB options summary
The ZLAB options chain for the March 19, 2027 expiration lists 7 call and 9 put contracts, with 159 days until expiration. Open interest stands at 756 calls and 2,377 puts, a put/call ratio of 3.14, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $25.00 strike is 62.9%, which implies the market expects a move of about ±$10.38 (41.5%) in Zai Lab stock by expiration.
The most open interest sits at the $25.00 call (407 contracts) and the $20.00 put (1.18K contracts).
Summary generated from market data by MetaCap's automated system. Methodology
ZLAB options chain · March 19, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 10.00 | 0.00 | 5.00 | 0.65 | |||||
| — | — | — | 12.50 | 0.00 | 0.00 | 0.45 | |||||
| — | — | — | 15.00 | 0.00 | 0.00 | 0.75 | |||||
| 10.10 | 6.30 | 11.00 | 17.50 | 0.00 | 0.00 | 1.30 | |||||
| 8.40 | 4.60 | 9.50 | 20.00 | 0.10 | 5.00 | 1.55 | |||||
| 6.40 | 3.30 | 8.00 | 22.50 | 0.30 | 5.00 | 3.00 | |||||
| 4.69 | 2.50 | 6.20 | 25.00 | 1.50 | 6.30 | 4.27 | |||||
| 2.96 | 2.00 | 3.80 | 30.00 | 4.90 | 9.50 | 7.23 | |||||
| 1.52 | 0.10 | 5.00 | 35.00 | 10.50 | 13.50 | 11.26 | |||||
| 1.70 | 0.10 | 5.00 | 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 ZLAB put/call ratio?
For the March 19, 2027 expiration, the ZLAB put/call ratio based on open interest is 3.14 (2,377 puts vs 756 calls), and 1.12 based on today's volume. A ratio above 1 means more puts than calls.
What is ZLAB's implied volatility?
At-the-money implied volatility for ZLAB options expiring March 19, 2027 is about 62.9%, an annualized estimate of how much the market expects Zai Lab stock to move.
How many ZLAB option expiration dates are there?
ZLAB has 6 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.