Elon Musk maintains an active Twitter presence, frequently using the platform to share announcements and updates. This market measures his tweet output during April 14-21, 2026—a specific seven-day window. The outcome resolves objectively by counting all public tweets posted to his primary account during this timeframe, making it directly verifiable through Twitter's public data. With current YES odds at 15%, the market reflects trader expectations that his posting volume during this week will fall outside the 240-259 range, suggesting either lower activity or significantly higher output. His typical tweeting patterns establish a baseline for what traders consider likely, and this market captures whether a particular week aligns with this narrowly-defined band. As the April 14 start date approaches, market odds may adjust based on emerging information about his expected activity levels. The tight range of outcomes demonstrates how specific prediction markets can isolate particular behavioral thresholds.