BT has said it expects Sky to remain a wholesale partner for its full fibre network build.
It follows a Sunday newspaper report that suggested the Comcast-owned pay-TV operator was preparing to partner with Virgin Media O2’s fibre rollout.
However, the source quoted in the Sunday Telegraph said that Sky was likely to keep its options open by using both Virgin Media and BT.
Sky has previously been linked to other providers of superfast broadband, including the challenger Cityfibre.
Nevertheless, BT’s shareprice had fallen by 7% during the morning’s trading.
In addition to Virgin Media O2’s own fibre rollout, parent company Liberty Global has established Liberty Fibre Ltd to go head to head with BT in the build of a national fibre network.
BT wants to take its fast broadband fibre to 25 million premises by the end of 2026, in a major expansion of its network.