ZS Open Interest
Zscaler Inc (ZS) had 213.34K open option contracts as of Nov 4, 2026: 115.07K calls and 98.27K puts. Open interest fell 4.8% over the past four weeks. The put/call open interest ratio is 0.85, so calls outnumber puts.
Open Interest by Strike
Showing results for ZS, 2026-11-06(w), calls & puts
Open Interest Stats
Showing results for ZS, 2026-11-06(w), calls & puts
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| Put Open Interest Total | |
| Open Interest Total | |
| Put-Call Open Interest Ratio |
Highest Open Interest Options
Showing results for ZS, 2026-11-06(w), calls & puts
Open Interest Total by Expiry
Showing results for ZS, 2026-11-06(w), calls & puts. View all expiries
ZS 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 ZS have?
Zscaler had 213.34K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 216.86K contracts.
Is ZS open interest rising or falling?
Open interest fell 4.8% over the past four weeks. It was 224.07K contracts on Oct 7, 2026. See the ZS open interest history for a longer view.
What is the ZS put/call open interest ratio?
The Zscaler put/call open interest ratio was 0.85 as of Nov 4, 2026. Four weeks earlier it was 0.80.
What is Zscaler Inc?
Zscaler is a software-as-a-service, or SaaS, firm focusing on providing cloud-native cybersecurity solutions to primarily enterprise customers.