Interactive Strength shares surge 64.32% intraday after projecting 2025 Q4 revenue over $4.5M and successful Wattbike acquisition performance.

Interactive Strength Inc. (NASDAQ:TRNR) surged 64.32% intraday after announcing preliminary Q4 2025 revenue is expected to exceed $4.5 million, representing 100% year-over-year growth, and full-year pro forma revenue over $20 million, nearly four times 2024 levels. The company cited strong performance from its Wattbike acquisition, with over 700 units sold and 25-35% higher utilization in new product lines. Strategic progress in European market expansion and operational integration further reinforced investor optimism. While the stock faces challenges such as weak gross profit margins and a low Price/Book ratio, the aggressive revenue guidance and execution against key growth initiatives drove the sharp intraday rally.