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Zai Lab Limited (ZLAB)

Healthcare | Biotechnology | Pudong, China | NasdaqGM
24.19 USD +0.69 (2.936%) ⇧ (April 17, 2026, 4 p.m. EDT)
After hours: 23.80 -0.39 (-0.390%) ⇩ (April 17, 2026, 5:12 p.m. EDT)

Short-term: ★★★★☆ | Long-term: ★★★☆☆ | Dividends: ★★☆☆☆
Hot Take | April 19, 2026, 12:50 a.m. EDT

Zai Lab is in a high-conviction short-term momentum phase driven by the recent 35% rally (from March highs), with a clear floor established around $17.50 where deep OTM puts accumulate. The 5-star short-term target is not the analyst's $37 yet, but rather the technical resistance near $25-$28 followed by a rapid flush or breakout, as capital is aggressively buying protections at $20-22 while funding upside calls at nearby strikes.

Model Selection — Backtest MAE (log-scale, lower is better)
ModelMAE
AutoTheta ✓0.117609
AutoETS0.117704
AutoARIMA0.119505
MSTL0.119681

Forecast horizon: 45 days | Selected: AutoTheta

Forecast Reliability
Score 52%
H-stat 3.37
Ljung-Box p 0.000
Jarque-Bera p 0.714
Excess Kurtosis 0.05
Attribute Value
Sector Healthcare
Debt to Equity Ratio 31.343
Revenue per Share 4.201
Market Cap 2,731,968,256
Forward P/E -17.33
Beta 0.86
Profit Margins -38.15%
Website https://www.zailaboratory.com

As of April 19, 2026, 12:50 a.m. EDT: Near-term options (April 17) show aggressive positioning: 101 contracts bought at the 20 strike and 162 OTM puts at the 15 strike, indicating a risk approval but slight downside protection cap. However, the massive disparity in volume/OTM vs ITM (high OTM OI percentage) suggests speculative momentum plays rather than directional bets. The call skew favoring strikes 20-25 aligns with the recent 15% price surge from 17.85 to 24.19. Shorter-dated puts (April 17) see high volume, but the lack of ITM puts suggests sellers aren't pricing in a crash, but rather volatility around the 20 price floor.


Info Dump

Attribute Value
52 Week Change -0.18579602
Address1 Building B
Address2 899 Halei Road
All Time High 193.54
All Time Low 13.48
Ask 24.66
Ask Size 8
Average Analyst Rating 1.3 - Strong Buy
Average Daily Volume10 Day 883,080
Average Daily Volume3 Month 746,586
Average Volume 746,586
Average Volume10Days 883,080
Beta 0.857
Bid 23.96
Bid Size 8
Book Value 6.467
City Pudong
Compensation As Of Epoch Date 1,735,603,200
Country China
Crypto Tradeable 0
Currency USD
Current Price 24.19
Current Ratio 2.449
Custom Price Alert Confidence HIGH
Date Short Interest 1,774,915,200
Day High 24.6699
Day Low 23.74
Debt To Equity 31.343
Display Name Zai Lab
Earnings Call Timestamp End 1,772,110,800
Earnings Call Timestamp Start 1,772,110,800
Earnings Timestamp 1,772,112,600
Earnings Timestamp End 1,778,157,000
Earnings Timestamp Start 1,778,157,000
Ebitda -214,424,000
Ebitda Margins -0.46598
Enterprise To Ebitda -122.648
Enterprise To Revenue 57.152
Enterprise Value 26,298,681,344
Eps Current Year -1.92148
Eps Forward -1.39619
Eps Trailing Twelve Months -1.6
Esg Populated 0
Exchange NGM
Exchange Data Delayed By 0
Exchange Timezone Name America/New_York
Exchange Timezone Short Name EDT
Fifty Day Average 19.5224
Fifty Day Average Change 4.6676006
Fifty Day Average Change Percent 0.23908949
Fifty Two Week Change Percent -18.579601
Fifty Two Week High 44.34
Fifty Two Week High Change -20.15
Fifty Two Week High Change Percent -0.45444292
Fifty Two Week Low 15.96
Fifty Two Week Low Change 8.2300005
Fifty Two Week Low Change Percent 0.5156642
Fifty Two Week Range 15.96 - 44.34
Financial Currency USD
First Trade Date Milliseconds 1,505,914,200,000
Float Shares 960,339,486
Forward Eps -1.39619
Forward P E -17.325722
Free Cashflow -92,507,872
Full Exchange Name NasdaqGM
Full Time Employees 1,784
Gmt Off Set Milliseconds -14,400,000
Gross Margins 0.10468
Gross Profits 48,171,000
Has Pre Post Market Data 1
Held Percent Insiders 0.018960001
Held Percent Institutions 0.34655997
Implied Shares Outstanding 112,937,910
Industry Biotechnology
Industry Disp Biotechnology
Industry Key biotechnology
Is Earnings Date Estimate 1
Language en-US
Last Fiscal Year End 1,767,139,200
Long Business Summary Zai Lab Limited, a biopharmaceutical company, focuses on discovering, developing, and commercializing products that address medical conditions in the areas of oncology, immunology, neuroscience, and infectious diseases. Its commercial products include Zejula, an orally administered poly (ADP-ribose) polymerase 1/2 inhibitor for treating ovarian cancer; VYVGART, a human IgG1 antibody fragment for generalized myasthenia gravis and chronic inflammatory demyelinating polyneuropathy; NUZYRA for community-acquired bacterial pneumonia and acute bacterial skin and skin structure infections; Optune for glioblastoma multiforme; Qinlock for gastrointestinal stromal tumors; Xacduro for treating hospital-acquired and ventilator-associated bacterial pneumonia caused by a cinetobacter baumannii-calcoaceticus complex; and Augtyro for the treatment of ROS proto-oncogene 1 and non-small cell lung cancer. Zai Lab Limited has license and collaboration agreements with Tesaro, Inc. to develop, manufacture, and commercialize niraparib; NovoCure Ltd. to develop and commercialize Tumor Treating Fields; Deciphera Pharmaceuticals, LLC to develop and commercialize ripretinib; Paratek Bermuda Ltd. to develop, manufacture, and commercialize omadacycline; argenx BV to develop and commercialize efgartigimod; Turning Point Therapeutics, Inc. to develop and commercialize products containing repotrectinib; Entasis Therapeutics Holdings Inc. to develop and commercialize Durlobactam with Sulbactam; and Karuna Therapeutics, Inc. to develop and commercialize Xanomeline and trospium chloride, as well as strategic collaboration with Pfizer Inc. for Tisotumab Vedotin; and strategic collaboration with Boehringer Ingelheim GmbH for the development of DLL3-targeting combination therapies for the treatment of small cell lung cancer and other neuroendocrine carcinomas. The company was incorporated in 2013 and is based in Pudong, China.
Long Name Zai Lab Limited
Market us_market
Market Cap 2,731,968,256
Market State PREPRE
Max Age 86,400
Message Board Id finmb_271123063
Most Recent Quarter 1,767,139,200
Net Income To Common -175,536,992
Next Fiscal Year End 1,798,675,200
Non Diluted Market Cap 2,631,212,785
Number Of Analyst Opinions 12
Open 23.91
Operating Cashflow -150,788,992
Operating Margins -0.54395
Payout Ratio 0.0
Phone 86 21 6163 2588
Post Market Change -0.3900013
Post Market Change Percent -1.6122417
Post Market Price 23.8
Post Market Time 1,776,460,347
Previous Close 23.5
Price Eps Current Year -12.589254
Price Hint 2
Price To Book 3.7405288
Price To Sales Trailing12 Months 5.937048
Profit Margins -0.38147
Quick Ratio 1.941
Quote Source Name Nasdaq Real Time Price
Quote Type EQUITY
Recommendation Key strong_buy
Recommendation Mean 1.33333
Region US
Regular Market Change 0.690001
Regular Market Change Percent 2.93617
Regular Market Day High 24.6699
Regular Market Day Low 23.74
Regular Market Day Range 23.74 - 24.6699
Regular Market Open 23.91
Regular Market Previous Close 23.5
Regular Market Price 24.19
Regular Market Time 1,776,456,000
Regular Market Volume 1,451,689
Return On Assets -0.12162
Return On Equity -0.22557
Revenue Growth 0.17
Revenue Per Share 4.201
Sand P52 Week Change 0.38150132
Sector Healthcare
Sector Disp Healthcare
Sector Key healthcare
Shares Outstanding 112,669,482
Shares Percent Shares Out 0.0473
Shares Short 5,332,652
Shares Short Previous Month Date 1,772,150,400
Shares Short Prior Month 3,800,411
Short Name Zai Lab Limited
Short Percent Of Float 0.053600002
Short Ratio 7.15
Source Interval 15
Symbol ZLAB
Target High Price 55.0
Target Low Price 21.8
Target Mean Price 37.31083
Target Median Price 34.27
Total Cash 689,572,992
Total Cash Per Share 0.623
Total Debt 224,259,008
Total Revenue 460,156,000
Tradeable 0
Trailing Annual Dividend Rate 0.0
Trailing Annual Dividend Yield 0.0
Trailing Eps -1.6
Trailing Peg Ratio None
Triggerable 1
Two Hundred Day Average 25.28205
Two Hundred Day Average Change -1.0920486
Two Hundred Day Average Change Percent -0.043194626
Type Disp Equity
Volume 1,451,689
Website https://www.zailaboratory.com
Zip 201,203