Zscaler Surges to 165th in Trading Volume Ranking with $688 Million Day

On March 31, 2025, Zscaler (ZS) experienced a significant trading volume of $688 million, marking a 37.31% increase from the previous day. This surge placed Zscaler at the 165th position in terms of trading volume for the day. However, the stock has since declined by 4.21%, marking its fourth consecutive day of losses, with a total decrease of 8.02% over the past four days.

Zscaler has seen a notable increase in put option volume, indicating a bearish sentiment among traders. Specifically, 4,309 put contracts were traded, which is 1.7 times the expected volume. The most active put options are the Apr-25 187.5 puts and Sep-25 130 puts, with a total volume of nearly 2,900 contracts. The Put/Call Ratio stands at 1.98, and the at-the-money implied volatility has risen by over 5 points. Earnings for Zscaler are anticipated to be released on May 29th.