what is a trailing 12 months profit loss 
ttm p l keeps a running tab of how well an investment or project has performed over the prior twelve month period it takes the monthly or quarterly returns over that time period and reports a weighted average profit or loss figure the bottom linetrailing 12 month ttm figures report metrics based on the last 12 months or four quarters to date on a rolling basis in addition to measuring recent trends or annual performance ttm financial metrics are frequently used to compare the relative performance of similar companies within an industry or sector financial metrics commonly considered by looking at the last twelve months of figures include a company s sales stock returns dividend yield price earnings p e ratio and earnings per share eps 