TTM Calculator – Trailing Twelve Months

What does this TTM calculator estimate?

Trailing twelve months, usually abbreviated TTM, converts four consecutive quarterly reports into a current twelve-month view. It is useful when the latest fiscal year is already several months old or when two companies have different fiscal year ends. The calculator supports a general four-quarter sum, revenue, earnings per share, a price-to-earnings multiple, enterprise value to EBITDA, and a yield based on a per-share distribution or cash-flow amount.

The underlying source should be the company’s filed quarterly information. The SEC EDGAR company filings search is a practical starting point for U.S. issuers. Confirm that each input represents one quarter rather than a year-to-date subtotal, and keep currency scale consistent across all four entries.

How should each input be used?

TTM mode

Select the metric that matches the data you collected. Original TTM value accepts a generic quarterly series and simply adds it. TTM revenue treats the values as currency in millions. TTM EPS treats each quarter as earnings per share. TTM P/E adds the four EPS values and divides the current share price by that sum. EV / TTM EBITDA adds quarterly EBITDA and divides enterprise value by the result. TTM yield adds four quarterly per-share amounts and divides the total by current share price.

Current market input

This field appears only for P/E, EV / EBITDA, and yield. For P/E and yield, enter the current share price in dollars per share. For EV / EBITDA, enter enterprise value in the same currency scale used for EBITDA, such as both in millions. A zero or negative price cannot produce a meaningful P/E or yield. A nonpositive TTM EBITDA makes the EV / EBITDA multiple difficult to interpret, so the calculator reports it as not meaningful rather than displaying an infinite or misleading number.

Four quarterly values

Latest reported quarter is the newest standalone quarter available. The next three fields step backward one quarter at a time. Higher positive values increase the TTM total. Negative EPS, EBITDA, free cash flow, or other quarterly metrics are allowed because losses and cash outflows can be economically real. Revenue is normally nonnegative, but the calculator does not silently rewrite a reported adjustment. The SEC guide to financial statements explains how income statements and cash-flow statements are organized.

How are the results calculated?

The four-quarter sum is the core model. The quarterly average is the TTM sum divided by four. Latest versus oldest compares the newest quarter with the oldest included quarter: `(latest ÷ oldest − 1) × 100%`. When the oldest quarter is zero, the percentage comparison is omitted because division by zero would not be meaningful.

For valuation and yield modes, the calculator applies one additional formula after computing the four-quarter base metric. TTM P/E equals current price divided by TTM EPS. EV / TTM EBITDA equals enterprise value divided by TTM EBITDA. TTM yield equals TTM per-share amount divided by current price, expressed as a percentage. The Investor.gov explanation of the P/E ratio provides useful context for interpreting that multiple.

How should each output be interpreted?

The primary result changes with the selected mode. In original, revenue, and EPS modes, it is the four-quarter total. In P/E mode, it is the price paid for each dollar of trailing earnings per share. In EV / EBITDA mode, it compares the enterprise value of the whole business with trailing operating earnings before interest, tax, depreciation, and amortization. In yield mode, it expresses the four-quarter per-share amount as a percentage of the current share price.

The TTM total card always shows the underlying four-quarter sum, even when the primary result is a multiple or yield. The average helps identify a typical quarter, although seasonality can make an average less representative. Latest quarter shows the newest observation. Latest versus oldest gives a compact direction signal, but it should not be treated as a full growth rate because it compares two single quarters and can be distorted by seasonality or one-time items.

How do the chart and table help?

The blue bars show the standalone quarterly values in chronological order, from the oldest included quarter to the latest. The green line adds the quarters sequentially and ends at the TTM total. A declining or negative quarter can flatten or pull down the cumulative line. The table exposes the exact quarterly value, cumulative amount, and each quarter’s share of the TTM total. When the total is zero, percentage shares are intentionally left blank instead of presenting unstable percentages.

Use the chart to spot concentration and direction, then use the table for exact figures. A strong final quarter may make the TTM total look healthier even when earlier quarters were weak. Conversely, a large old quarter will remain inside TTM until it rolls out after the next report. This rolling-window effect is why TTM metrics can change materially even when the newest quarter is similar to the prior one.

What are the main limitations and common mistakes?

• Do not mix standalone quarterly figures with year-to-date figures; doing so double-counts earlier periods.
• Do not mix dollars, thousands, and millions. For EV / EBITDA, enterprise value and EBITDA must use the same scale.
• Check whether EPS is basic or diluted and use the same definition for all four quarters.
• Watch for restatements, acquisitions, discontinued operations, and fiscal calendars with 53 weeks.
• Do not compare valuation multiples across industries without considering capital intensity, growth, margins, and accounting differences.

TTM is a historical measurement, not a forecast. It is best used alongside balance-sheet analysis, cash-flow quality, management guidance, and normalized results. FINRA’s overview of fundamental analysis describes how financial ratios fit into a broader review. This calculator provides arithmetic and organization only; it does not provide investment, tax, accounting, or legal advice.