Mark-to-market accounting

Mark-to-market accounting (or "M2M") is a way of keeping track of the value of something. When you use M2M accounting, you need to keep track of how much something is worth at any given moment. For example, if you own a house, the value of the house might go up or down depending on the housing market. With mark-to-market accounting, you will keep track of the house's value each day so that you know exactly how much it's worth. This makes it easier to know how much money you will get when you sell it or if you ever decide to borrow money against it.