Zai Lab (ZLAB) Options Chain
NASDAQ: ZLABHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Jan 15, 2027
- Days to expiration
- 97
- Share price
- $24.99
- Put/call ratio (OI)
- 0.75
- Put/call ratio (volume)
- 0.70
- Expected move
- ±$7.86
- Open interest (C / P)
- 3.74K / 2.82K
ZLAB options summary
The ZLAB options chain for the January 15, 2027 expiration lists 10 call and 6 put contracts, with 97 days until expiration. Open interest stands at 3,738 calls and 2,817 puts, a put/call ratio of 0.75, which is fairly balanced between calls and puts. At-the-money implied volatility near the $25.00 strike is 61.0%, which implies the market expects a move of about ±$7.86 (31.5%) in Zai Lab stock by expiration.
The most open interest sits at the $30.00 call (1.65K contracts) and the $22.50 put (1.61K contracts).
Summary generated from market data by MetaCap's automated system. Methodology
ZLAB options chain · January 15, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 8.98 | 13.50 | 18.40 | 10.00 | — | — | — | |||||
| 11.34 | 0.00 | 0.00 | 12.50 | — | — | — | |||||
| 6.26 | 8.70 | 13.50 | 15.00 | 0.00 | 4.40 | 0.35 | |||||
| 10.00 | 6.00 | 10.50 | 17.50 | 0.00 | 5.00 | 0.50 | |||||
| 7.85 | 3.90 | 8.50 | 20.00 | 0.00 | 4.00 | 1.00 | |||||
| 4.82 | 2.25 | 7.00 | 22.50 | 0.00 | 4.60 | 1.73 | |||||
| 4.40 | 1.00 | 5.50 | 25.00 | 1.80 | 4.20 | 3.59 | |||||
| 2.00 | 0.30 | 3.00 | 30.00 | 4.30 | 8.80 | 6.54 | |||||
| 1.70 | 0.00 | 4.50 | 35.00 | — | — | — | |||||
| 1.60 | 0.00 | 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 January 15, 2027 expiration, the ZLAB put/call ratio based on open interest is 0.75 (2,817 puts vs 3,738 calls), and 0.70 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 January 15, 2027 is about 61.0%, 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.