ZLAB250919C00055000 Option on Zai Lab

ZLAB Stock  USD 32.73  1.35  3.96%   
ZLAB250919C00055000 is a PUT option contract on Zai Lab's common stock with a strick price of 55.0 expiring on 2025-09-19. The contract was not traded in recent days and, as of today, has 68 days remaining before the expiration. The option is currently trading at an ask price of $5.0. The implied volatility as of the 13th of July 2025 is 68.0.
A put option written on Zai Lab becomes more valuable as the price of Zai Lab drops. Conversely, Zai Lab's put option loses its value as Zai Stock rises.

Rule 16 of 2025-09-19 Option Contract

The options market is anticipating that Zai Lab will have an average daily up or down price movement of about 0.0836% per day over the life of the option. With Zai Lab trading at USD 32.73, that is roughly USD 0.0274. If you think that the market is fully understating Zai Lab's daily price movement you should consider buying Zai Lab options at that current volatility level of 1.34%. But if you have an opposite viewpoint you should avoid it and even consider selling them.

Out Of The Money Call Option on Zai Lab

An 'Out of The Money' option on Zai has a strike price that Zai Stock has yet to reach, meaning the option has no intrinsic value. 'Out of The Money' options are usually less costly than 'In The Money' options, making them more desirable to traders with smaller amounts of capital. Some of the uses for Zai Lab's 'Out of The Money' options include buying the options if you expect a big move in Zai Lab's stock. Since 'Out of The Money' options have a lower up-front cost (i.e., no intrinsic value) than 'In The Money' options, buying it is a reasonable choice.
Call Contract NameZLAB250919C00055000
Expires On2025-09-19
Days Before Expriration68
Delta0.278233
Vega0.047755
Gamma0.017637
Theoretical Value2.5
Open Interest1
Strike Price55.0
Current Price Spread0.0 | 5.0
Rule 16 Daily Up or DownUSD 0.0274

Zai short PUT Option Greeks

Zai Lab's Option Greeks for the contract ending on 2025-09-19 at a strike price of 55.0 measures the various factors that affect its cost and calculated using a theoretical options pricing model. It helps investors make more informed decisions about whether to trade this option contract or when to trade it. In addition to Zai Lab's option greeks, its implied volatility helps estimate the risk of Zai Lab stock implied by the prices of the options on Zai Lab's stock.
Delta0.278233
Gamma0.017637
Theta-0.047058
Vega0.047755
Rho0.012489

Zai long PUT Option Payoff at expiration

Put options written on Zai Lab grant holders of the option the right to sell a specified amount of Zai Lab at a specified price within a specified time frame. The put buyer has a limited loss and, while not fully unlimited gains, as the price of Zai Stock cannot fall below zero, the put buyer does gain as the price drops. So, purchasing a put option on Zai Lab is like buying insurance aginst Zai Lab's downside shift.
   Profit   
       Zai Lab Price At Expiration  

Zai short PUT Option Payoff at expiration

By selling Zai Lab's put option, the investors signal their bearish sentiment. A short position in a put option written on Zai Lab will generally make money when the underlying price is above the strike price. Therefore Zai Lab's put payoff at expiration depends on where the Zai Stock price is relative to the put option strike price. The breakeven price of 57.5 is the critical point that divides the payoff function into two parts. Below the breakeven price, the payoff is dropping and negative (the seller makes a loss). Above the breakeven price, the payoff line is upward sloping as the option payoff increases in proportion to Zai Lab's price. Finally, at the strike price of 55.0, the payoff chart is constant and positive.
   Profit   
       Zai Lab Price At Expiration  
View All Zai Lab Options

Zai Lab Available Call Options

Zai Lab's option chain is a display of a range of information that helps investors for ways to trade options on Zai. In general, an option chain provides a helpful tool for investors to see all available option contracts, both puts, and calls, for Zai. It also shows strike prices and maturity days for a Zai Lab against a given expiration period. The table below combines all the option information in the form of a chain but before you use it, remember that it entails significant risk and it is not for everyone.
Open IntStrike PriceCurrent SpreadLast Price
Call
ZLAB250919C0006500017665.00.0 - 1.70.35Out
Call
ZLAB250919C00060000460.00.0 - 4.80.5Out
Call
ZLAB250919C00055000155.00.0 - 5.05.0Out
Call
ZLAB250919C00050000450.00.0 - 5.00.92Out
Call
ZLAB250919C000450006345.00.0 - 2.851.1Out
Call
ZLAB250919C000400009440.00.6 - 3.71.5Out
Call
ZLAB250919C0003500010635.02.15 - 2.92.08Out
Call
ZLAB250919C00030000030.03.0 - 7.03.0In
Call
ZLAB250919C00025000025.07.1 - 11.015.78In
Call
ZLAB250919C00022500022.58.4 - 13.08.4In
Call
ZLAB250919C00012500112.518.1 - 23.018.1In

Zai Lab Corporate Management

Peter HuangChief OfficerProfile
Dr MBAChief OfficerProfile
Joshua SmileyChief OfficerProfile
Frazor IIIChief SecProfile
Christine ChiouSenior RelationsProfile
Harald MDAutoimmune NeuroscienceProfile
When determining whether Zai Lab offers a strong return on investment in its stock, a comprehensive analysis is essential. The process typically begins with a thorough review of Zai Lab's financial statements, including income statements, balance sheets, and cash flow statements, to assess its financial health. Key financial ratios are used to gauge profitability, efficiency, and growth potential of Zai Lab Stock. Outlined below are crucial reports that will aid in making a well-informed decision on Zai Lab Stock:
Check out Your Current Watchlist to better understand how to build diversified portfolios, which includes a position in Zai Lab. Also, note that the market value of any company could be closely tied with the direction of predictive economic indicators such as signals in nation.
For information on how to trade Zai Stock refer to our How to Trade Zai Stock guide.
You can also try the Companies Directory module to evaluate performance of over 100,000 Stocks, Funds, and ETFs against different fundamentals.
Is Biotechnology space expected to grow? Or is there an opportunity to expand the business' product line in the future? Factors like these will boost the valuation of Zai Lab. If investors know Zai will grow in the future, the company's valuation will be higher. The financial industry is built on trying to define current growth potential and future valuation accurately. All the valuation information about Zai Lab listed above have to be considered, but the key to understanding future value is determining which factors weigh more heavily than others.
Earnings Share
(2.50)
Revenue Per Share
4.116
Quarterly Revenue Growth
0.222
Return On Assets
(0.15)
Return On Equity
(0.32)
The market value of Zai Lab is measured differently than its book value, which is the value of Zai that is recorded on the company's balance sheet. Investors also form their own opinion of Zai Lab's value that differs from its market value or its book value, called intrinsic value, which is Zai Lab's true underlying value. Investors use various methods to calculate intrinsic value and buy a stock when its market value falls below its intrinsic value. Because Zai Lab's market value can be influenced by many factors that don't directly affect Zai Lab's underlying business (such as a pandemic or basic market pessimism), market value can vary widely from intrinsic value.
Please note, there is a significant difference between Zai Lab's value and its price as these two are different measures arrived at by different means. Investors typically determine if Zai Lab is a good investment by looking at such factors as earnings, sales, fundamental and technical indicators, competition as well as analyst projections. However, Zai Lab's price is the amount at which it trades on the open market and represents the number that a seller and buyer find agreeable to each party.