Calix is a San Jose-based broadband platform that provides the Calix Cloud platform, the Calix Intelligent Access Edge platform, and the Calix Support Cloud platform to broadband service providers across the U.S. and the international markets, and the company is in the middle of a fiscal second quarter that demonstrates the kind of operating-income pivot the broadband platform cohort has been waiting for. Q2 2026 revenue of $293.3 million was 21.3 percent above the prior-year quarter, operating income of $21.8 million was a clean swing from the prior-year quarter's $0.4 million operating income, and net income of $17.1 million was a clean swing from the prior-year quarter's $0.2 million net loss. The combination of the revenue growth and the operating-income pivot is the cleanest single-sentence read on what the broadband platform business model is producing, and the combination is the source of the operating-leverage spread the equity offers the buy-side.
The numbers tell the story with the kind of operational detail the broadband platform equity has been waiting for. The Q2 2026 revenue growth was driven by the appliance revenue growth of 22.6 percent year over year to $242.8 million and the software and services revenue growth of 15.5 percent year over year to $50.5 million. The H1 2026 revenue of $573.3 million was 24.0 percent above the prior-year period's $462.1 million, with the H1 2026 appliance revenue of $475.6 million up 25.9 percent and the H1 2026 software and services revenue of $97.7 million up 16.0 percent.
The total operating expenses of $138.3 million in the quarter were 1.7 percent above the prior-year quarter's $135.9 million, with the operating expense growth below the revenue growth, producing the operating-leverage spread. The operating income of $21.8 million in the quarter was a clean swing from the prior-year quarter's $0.4 million operating income, and the operating-income pivot is the source of the operating-leverage spread the company is producing.
The net income of $17.1 million in the quarter was a clean swing from the prior-year quarter's $0.2 million net loss, with the net-income pivot reflecting the operating-income pivot and the broader operating profile. The diluted EPS of $0.26 in the quarter was a clean swing from the prior-year quarter's $0.00 EPS, with the per-share pivot reflecting the operating-income pivot.
The question the next four quarters resolve is whether the company can sustain the appliance revenue growth and the operating-leverage spread through the broadband service provider capex cycle. A second-half print that continues the 21 to 25 percent appliance revenue growth and the operating-leverage spread would confirm the operating profile is sustainable. A second-half print that shows appliance revenue growth decelerating or the operating-leverage spread narrowing would force the market to reprice the equity for a more modest terminal value.