Definition:
TTM stands for Trailing Twelve Months and refers to the financial data—such as revenue, earnings, or cash flow—accumulated over the past 12 consecutive months. It provides a rolling view of recent performance, giving investors and analysts a more up-to-date snapshot than annual or quarterly reports.

Why Use TTM?

  • Reflects recent performance: More current than fiscal year-end figures
  • Smooths seasonality: Captures full year performance irrespective of fiscal calendar
  • Facilitates comparison: Allows comparing companies with different fiscal year-ends
  • Widely used in financial ratios: E.g., P/E (Price-to-Earnings) ratio often uses TTM earnings

How to Calculate TTM:

TTM Revenue = Revenue for the last fiscal year  
             + Revenue from the latest interim period  
             – Revenue from the same interim period one year ago

Example:
If a company reports:

  • Fiscal year revenue (ending Dec 31, 2023): $1,000,000
  • Revenue for Q1 2024: $300,000
  • Revenue for Q1 2023: $250,000

Then:

TTM Revenue = $1,000,000 + $300,000 – $250,000 = $1,050,000

Common Uses of TTM:

  • Calculating financial ratios like P/E (Price-to-Earnings), P/S (Price-to-Sales), EBITDA margins
  • Assessing company growth trends
  • Monitoring cash flow and profitability
  • Comparing performance across companies with staggered reporting periods

Advantages:

  • More timely and relevant than static annual data
  • Helps avoid distortions from seasonal or one-time events
  • Provides a continuous update as new quarterly data becomes available

Limitations:

  • Relies on interim financial reports, which may be less audited
  • Can be affected by one-time gains or losses in any of the 12 months
  • May not reflect future performance or guidance

Related Terms:

  • Fiscal Year
  • Quarterly Earnings
  • Annual Report
  • Price-to-Earnings (P/E) Ratio
  • EBITDA
  • Rolling Period
  • Interim Financial Statements
  • Seasonality
  • Trailing vs. Forward Metrics