According to @QCompounding, telecom companies rent space on American Tower (AMT) and Crown Castle (CCI) towers to transmit data and calls, and these two companies own most U.S. cellular towers while collecting rent from every carrier; source: @QCompounding on X, Dec 22, 2025. Based on @QCompounding’s description, traders can frame AMT and CCI as multi-tenant lease businesses with recurring cash flows and broad carrier diversification, which can provide defensive characteristics in volatile markets; source: @QCompounding on X, Dec 22, 2025. Key trading watchpoints, derived from the source’s model, include shifts in carrier network spending and tower leasing demand that could influence occupancy and pricing power for AMT and CCI; source: @QCompounding on X, Dec 22, 2025.