ZYME Open Interest
Zymeworks Inc (ZYME) had 11.49K open option contracts as of Nov 12, 2026: 5.39K calls and 6.1K puts. Open interest rose 28.5% over the past four weeks, and is ZYME's highest level in 12 weeks. The put/call open interest ratio is 1.13, which signals bearish sentiment.
Open Interest by Strike
Showing results for ZYME, 2027-01-15(m), calls & puts
Open Interest Stats
Showing results for ZYME, 2027-01-15(m), calls & puts
| Call Open Interest Total | 2,316 |
|---|---|
| Put Open Interest Total | 1,785 |
| Open Interest Total | 4,101 |
| Put-Call Open Interest Ratio | 0.77 |
Highest Open Interest Options
Showing results for ZYME, 2027-01-15(m), calls & puts
Open Interest Total by Expiry
Showing results for ZYME, 2027-01-15(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for ZYME, all expirations, calls & puts. View full history
ZYME Open Interest FAQ
What is open interest?
Open interest is the number of option contracts that are open and not yet closed, exercised, or expired. The Options Clearing Corporation calculates it once a day from the previous day's trades, and it is published before the market opens.
How much open interest does ZYME have?
Zymeworks had 11.49K open option contracts as of Nov 12, 2026. Over the past 30 days, open interest averaged 8.36K contracts.
Is ZYME open interest rising or falling?
Open interest rose 28.5% over the past four weeks, and is ZYME's highest level in 12 weeks. It was 8.94K contracts on Oct 15, 2026. See the ZYME open interest history for a longer view.
What is the ZYME put/call open interest ratio?
The Zymeworks put/call open interest ratio was 1.13 as of Nov 12, 2026. Four weeks earlier it was 2.53.
What is Zymeworks Inc?
Zymeworks Inc is a clinical-stage biopharmaceutical company dedicated to the discovery, development and commercialization of next-generation multifunctional biotherapeutics.