When a lot is still open, or when you are looking at a date range when a closed lot was still open, Fusion pretends to sell the current cattle at their estimated weight and at this price so that a pretend closeout can be generated, showing you where your open lots are. You can change the price that is used for this situation in this window using the Price Remaining Cattle At field. After you click the Change button, Fusion will update pretend closeout values that are dependent on this price for all open lots.
Note that if other users are using the Lot Center window, this change will be reflected on their windows as well.
You can open this window by using the Remaining Price menu button in the Lot Center window.