What drove CHTR's gross profit growth in Q3 2024?

Charter Communications Inc. (CHTR) experienced a gross profit growth in Q3 2024, driven primarily by increases in revenue from residential mobile services and internet, along with cost management initiatives.

1. **Revenue Growth from Mobile and Internet Services**: Charter saw significant year-over-year revenue growth of 36.9% in mobile service and 1.3% in internet services. The surge in mobile service revenue, amounting to $737 million, and the increase in internet revenue to $5.8 billion, were key factors in boosting total revenue and, consequently, gross profit.
2. **Cost Management**: Charter's adjusted EBITDA margin expanded by 100 basis points to 41.4% in Q2 2024, indicating improved operational efficiency. This was partly due to higher net cash flows from operating activities, which led to a substantial improvement in free cash flow from $668 million in the previous year to $1.3 billion. This enhanced cost management likely contributed to the growth in gross profit.

In summary, the growth in gross profit for Charter Communications in Q3 2024 was primarily driven by strong revenue increases from mobile and internet services, along with effective cost management.