Netflix’s second-quarter shareholder letter, published July 16, makes the case that streaming’s ad business now runs on two things: live sports and automation, not the content library that used to be the industry’s main selling point.

Netflix said it expanded AI-powered tools “across the full advertising lifecycle, from planning and creative production to campaign management, optimization, and reporting” during the quarter, and extended programmatic access to its Pause Ads format and live inventory this summer. The company said that move is meant to cut the manual work that has historically kept smaller advertisers out of its ad business, opening the platform to a broader range of buyers. Netflix still expects its ad revenue to roughly double in 2026 to approximately $3 billion, with U.S. upfront commitments expected to close within weeks.

The letter also quantifies something advertisers have suspected but rarely seen in a company’s own numbers: live programming is set to account for just over 5% of Netflix’s content spend in 2026 but only about 1% of total view hours, yet it produced six of the platform’s top 10 new member sign-up days over the last five years. That lopsided return is why Netflix keeps adding live inventory, including the Women’s World Cup, an expanded NFL slate, WWE and MLB events, even though it barely moves the viewing-hours needle.

The original insight here is what it signals about competitive positioning. Streaming platforms spent years competing on who could out-spend the others on content libraries. Netflix’s letter shows it now treats live-event scarcity and self-serve ad-buying infrastructure as the more defensible edge, the same infrastructure question already reshaping trust in premium CTV inventory more broadly. For marketing leaders planning streaming budgets, that means evaluating platforms less on catalog size and more on how easily a mid-sized buyer can actually transact against premium live inventory, a shift also visible as holding companies rebuild their own ad-data infrastructure to keep pace.

Source: Netflix Investor Relations