Zscaler call buyer realizes 161% same-day gains

Notable profits for the buyer who lifted the $1.22 offer for 8,073 Zscaler (ZS) 5/10 weekly 185 calls yesterday at 14:01ET when underlying shares were trading at $174.92. Shares closed at $177.11, and the calls at $3.18 for a mark-to-market profit of 161%, or $1582K, on the $983K outlay.