inventory over sales rate IS the forward looking metric. If sales rate doesn’t change, that’s how long it will take to run off the current inventory. DOM is the backward looking metric. If 1,000,000 homes are listed, and 1 sells that month, and it took 30 days to sell that 1 house, then the backward looking metric, DOM, is 30 days, and the forward looking metric, inventory to sales, is 1,000,000 months. The huge discrepancy between the two just shows how quickly sales have fallen and inventory has risen.
