Consistent multiplayer lag

Is anyone noticing consistent lag issues with the multiplayer? For some reason of all my multiplayer games Halo 5 is the only one I have lag issues with. It’s getting annoying because the only time I have perfect non-lag games is when I’m the only one on the Internet at my home. No one else can be playing something on their console or streaming. I literally have to be the only one doing something. Give me some feedback guys.