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Trailing Twelve Months (Ttm) Calculator

Calculate any financial metric over a rolling 12-month window. Add four recent quarters or apply the FY+YTD method for instant TTM results.

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Trailing Twelve Months (TTM) Value

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Trailing Twelve Months (TTM) Value—

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What Is the Trailing Twelve Months (TTM)?

Trailing Twelve Months (TTM) is a rolling financial measurement that captures a company's performance across the 12 most recent consecutive months, independent of its fiscal year calendar. Every time a company files a new quarterly report, the TTM window shifts forward by one quarter, ensuring analysts always work with the most current data available. TTM figures apply to revenue, net income, earnings per share (EPS), EBITDA, and free cash flow across equity research, credit analysis, and M&A due diligence.

The Core TTM Formula

The primary method for computing TTM adds the four most recently reported quarterly values:

TTM = Q1 + Q2 + Q3 + Q4

Q1 represents the most recent completed quarter, Q2 the quarter immediately prior, Q3 two quarters back, and Q4 three quarters back — together spanning exactly 12 months of reported results.

Method 1: Sum of Last 4 Quarters

The direct approach requires only four quarterly data points. If a company reports quarterly revenue of $31.2B, $29.8B, $28.5B, and $30.1B in its four most recent quarters, its TTM revenue equals $31.2B + $29.8B + $28.5B + $30.1B = $119.6B. This method is transparent, auditable, and preferred when full quarterly disclosures are available.

Method 2: Most Recent Fiscal Year + YTD Adjustment

When quarterly detail is limited, analysts apply an alternative formula:

TTM = Most Recent FY + Current YTD - Prior Year Same-Period YTD

This approach starts with the most recent full fiscal year total, adds current year-to-date results, and subtracts the equivalent prior-year period to eliminate double-counting. Example: a company posts $383.3B in FY revenue, earns $210.4B in the current year's first six months, and posted $196.5B in the same period one year earlier. Its TTM revenue = $383.3B + $210.4B - $196.5B = $397.2B.

Variable Definitions

  • Most Recent Quarter (Q1): The latest completed quarterly figure and the anchor of the TTM window.
  • Quarter 2 (Q2): The value reported one quarter before Q1.
  • Quarter 3 (Q3): The value reported two quarters before Q1.
  • Quarter 4 (Q4): The value reported three quarters before Q1, completing the 12-month span.
  • Most Recent Full Fiscal Year (FY): The annual total from the last completed fiscal year, used in the YTD adjustment method.
  • Current YTD: Cumulative performance in the current partial fiscal year through the latest quarter.
  • Prior Year Same-Period YTD: The matching cumulative figure from the prior fiscal year, subtracted to prevent overlap with the FY total.

Worked Example: TTM EPS and Trailing P/E Ratio

A technology company reports diluted EPS of $1.85 (Q1, most recent), $1.72 (Q2), $1.68 (Q3), and $1.90 (Q4). TTM EPS = $1.85 + $1.72 + $1.68 + $1.90 = $7.15. With the stock trading at $143.00, the trailing P/E ratio equals $143.00 / $7.15 = 20.0x — a benchmark analysts compare against sector medians and historical averages to assess relative valuation.

Why TTM Is the Standard in Financial Analysis

TTM figures eliminate calendar-year distortions and seasonal noise that inflate or deflate single-quarter readings. A retailer generating 40% of annual sales in Q4 appears far more profitable in isolation than across a full year; TTM smooths that effect. According to Investopedia, TTM is the standard reference period for computing equity valuation multiples including EV/EBITDA, Price/Sales, and Price/Earnings. Research published through the Harvard Business School (McVay, 2019) demonstrates that trailing free cash flow metrics are stronger predictors of forward stock returns than point-in-time quarterly or annual equivalents, explaining institutional demand for TTM-based screening. The NYU Stern School of Business further validates TTM as a core input in discounted cash flow models and risk valuation frameworks used by institutional investors worldwide.

Common Applications of TTM

  • Equity Valuation: P/E, EV/EBITDA, and Price/Free Cash Flow multiples rely on TTM denominators for current, comparable results.
  • M&A Due Diligence: Acquirers anchor preliminary valuation ranges to TTM EBITDA before commencing detailed financial modeling.
  • Loan Covenants: Lenders define maintenance covenants — such as maximum Debt/EBITDA of 3.5x — using TTM figures consistent with Federal Reserve reporting standards (FR Y-14Q).
  • Peer Benchmarking: TTM normalizes companies with different fiscal year-end dates, enabling direct sector comparisons regardless of reporting calendars.

Reference

Frequently asked questions

What does TTM mean in finance?
TTM stands for Trailing Twelve Months, a rolling financial measurement period covering the 12 most recent consecutive months of a company's reported data. Unlike a fiscal year, which resets on a fixed calendar date, TTM advances each quarter to reflect the latest available results. Analysts apply TTM to revenue, EPS, EBITDA, and free cash flow as the standard basis for equity valuation, credit analysis, and M&A transactions globally.
How is TTM different from annual or fiscal year data?
A fiscal year covers a fixed 12-month period ending on a set date such as December 31 or March 31. TTM, by contrast, shifts forward with every quarterly filing and always represents the most recent 12 months. If a company reports Q1 results in May, the TTM window immediately extends through that quarter. This makes TTM more current than fiscal year data, especially when significant business changes occur mid-year and investors need up-to-date metrics.
How do you calculate TTM earnings per share (EPS)?
To compute TTM EPS, add the diluted EPS reported in the four most recently completed quarters. For example, quarterly EPS figures of $1.85, $1.72, $1.68, and $1.90 sum to a TTM EPS of $7.15. Dividing the current share price by this TTM EPS figure yields the trailing P/E ratio — one of the most widely cited valuation multiples in equity research, stock screening tools, and financial databases worldwide.
What is the FY+YTD method for computing TTM?
The FY+YTD method calculates TTM as: Most Recent Fiscal Year total plus Current Year-to-Date minus Prior Year Same-Period YTD. This formula is used when quarterly breakdowns are unavailable or only partial current-year data exists. Subtracting the prior-year YTD prevents double-counting months already captured in the annual report. For example: $383.3B FY + $210.4B current YTD - $196.5B prior-year YTD = $397.2B TTM revenue, giving a fully current 12-month total.
Can TTM be applied to financial metrics other than revenue and earnings?
Yes. TTM applies to virtually any quarterly-reported financial metric. Common applications include TTM EBITDA for leveraged buyout models and loan covenant compliance, TTM free cash flow for discounted cash flow valuation, TTM operating income for margin analysis, TTM capital expenditures for maintenance cost assessment, and TTM dividend payments for yield calculations. The method is entirely metric-agnostic as long as four consecutive, non-overlapping quarterly values are available for summation.
Why do analysts prefer TTM figures over single-quarter snapshots for valuation?
Single-quarter figures are vulnerable to seasonal distortions, one-time charges, and timing anomalies that do not reflect a company's true ongoing performance. TTM averages out these fluctuations across 12 months, providing a more representative baseline for computing valuation multiples. Harvard Business School research confirms that trailing free cash flow metrics carry stronger predictive power for forward stock returns than isolated quarterly snapshots, which is why TTM is the default measurement period in professional equity screening platforms and financial data providers.