Why Is Zscaler (ZS) Up 12.6% Since Last Earnings Report?

Core Viewpoint - Zscaler's recent earnings report shows strong performance with significant revenue and earnings growth, indicating a positive trend leading up to the next earnings release [2][3][9]. Financial Performance - Zscaler reported Q4 fiscal 2025 non-GAAP earnings of 89 cents per share, exceeding estimates by 11.3% and reflecting a year-over-year increase of 23.6% [2]. - Revenues for Q4 reached $719.2 million, surpassing estimates by 1.9% and management's guidance, with a year-over-year growth of 21% [3]. - Calculated billings increased by 32% year over year to $1.2 billion, with the Americas contributing 55% of revenues [4]. Customer Metrics - As of July 31, Zscaler had 664 customers with annualized recurring revenues (ARR) of $1 million or more, and 3,494 customers with ARR exceeding $100,000 [5]. Operating Details - Non-GAAP gross profit rose 18.5% year over year to $570.1 million, while the gross margin contracted to 79.3% [6]. - Non-GAAP operating income increased to $158.9 million, with an operating margin of 22.1% [6]. Balance Sheet & Cash Flow - Zscaler's cash, cash equivalents, and short-term investments totaled $3.57 billion as of July 31, 2025, up from $3.01 billion in April 2025 [7]. - The company generated operating cash flow of $250.6 million and free cash flow of $171.9 million in Q4 [7]. Guidance - For fiscal 2026, Zscaler forecasts revenues between $3.265 billion and $3.284 billion, with non-GAAP earnings per share expected in the range of $3.64 to $3.68 [9]. Industry Context - Zscaler is part of the Zacks Security industry, which has seen positive performance from peers like CrowdStrike, which reported a 21% year-over-year revenue increase [13].