Trading up or down is purely circumstantial, and especially so the later in the round you pick.
A team has little idea of what the teams ahead of them will do. Until it gets pretty near your pick, it's a black box.
Now, it could be like with Goff that you have a player targeted and so you decided ahead of time to go up and get him.
But barring that, any movement from your position depends on what happens ahead of you...... you don't determine that before the draft ever starts.
And indeed Snead has talked many times about "groups" of players so that depending on the circumstance you might move a bit if you think there's not much difference between any player within a group of 2,3, 4 guys.
But..... we have no idea how the Rams have stacked their board, or who they see as essentially equal with one another at some given point in the draft process.
