6.28K calls and 2.4K puts traded on Nov 4, 2026, 8.68K contracts in total. Open interest was 213.34K contracts. Over the past 30 days, volume averaged 16.44K contracts per day. The ZS option volume chart shows volume by strike and expiration date.

Zscaler IV rank is 95, so its 30-day implied volatility of 84.1% is near the top of its one-year range. Over the past year it ranged from 30.1% on Dec 30, 2025 to 87.2% on May 18, 2026. See the ZS implied volatility history for a longer view.

The Zscaler put/call volume ratio was 0.38 on Nov 4, 2026, so calls outnumber puts. The put/call open interest ratio was 0.85. The ZS open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for Zscaler options about one week from expiration was $238.57, 6.3% above the $224.40 close. The ZS max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 71.2%, options price a move of about ±$22.13 (±9.9%) over the next week, a range of roughly $202.27 to $246.53 from the Nov 4, 2026 close. The ZS expected move chart shows it for every expiration date.