Jul. 14 at 5:26 PM
Zscaler experienced a sharp increase in options trading activity on Tuesday, with 39,437 contracts changing hands by 18:30 ET. Call options dominated the flow, totaling 34,601 contracts compared with 4,836 puts, underscoring a bullish outlook among market participants. The concentration of volume in call options across multiple strike prices and expiration dates suggests traders are positioning for both near-term price movements and longer-term upside potential.
The July 17, 2026
$157.50 call was the most actively traded contract, recording 6,228 contracts against open interest of just 118 contracts, a sign that many of the trades likely represented newly established positions ahead of this week's expiration. Significant activity was also observed in the July 17
$165 call, which traded 1,791 contracts. Meanwhile, the August 21, 2026
$175 and
$200 calls attracted 2,121 and 3,760 contracts, respectively.
$ZS