TTM Calculator – Trailing Twelve Months
Created by Kaushik RabadiyaLast updated: September 26, 2026TTM (trailing twelve months) instantly calculates results using ebitdattm, epsttm, epsttm1. Use the calculator above for instant answers in your browser.
Welcome to the ultimate TTM (Trailing Twelve Months) calculator, designed to help investors, financial analysts, and business owners evaluate recent corporate performance. By aggregating the most recent four quarters of financial data, this tool strips away seasonal noise and gives you an accurate, up-to-date snapshot of profitability, revenue generation, and valuation multiples. Whether you are assessing a stock's Price-to-Earnings ratio or reviewing rolling twelve-month EBITDA, this calculator simplifies complex financial aggregations.
How Trailing Twelve Months (TTM) Calculations Work
The TTM methodology sums up the data from the immediately preceding four quarters to represent a full annual cycle that is more current than a company's last fiscal year report. The primary equations used by this calculator include:
Revenue TTM: REVTTM = REVTTM1 + REVTTM2 + REVTTM3 + REVTTM4
Earnings Per Share (EPS) TTM: EPSTTM = EPSTTM1 + EPSTTM2 + EPSTTM3 + EPSTTM4
PE Ratio TTM: PETTM = Price / EPSTTM
By adding consecutive quarterly figures (TTM1 through TTM4), the calculator bridges the gap between historical annual statements and real-time market valuations.
Worked Example: Calculating TTM EPS and PE Ratio
Imagine you are analyzing a tech stock trading at $120 per share. You want to calculate its trailing twelve-month Earnings Per Share (EPS) and its TTM Price-to-Earnings (PE) ratio using the financial results from the last four quarters:
Step 1: Gather quarterly EPS data.
Quarter 1 (Most recent): $1.25
Quarter 2: $1.10
Quarter 3: $0.95
Quarter 4 (Oldest in window): $0.90
Step 2: Sum the quarters to find TTM EPS.EPSTTM = 1.25 + 1.10 + 0.95 + 0.90 = $4.20
Step 3: Calculate the TTM PE Ratio.
Using the share price of $120, divide by the TTM EPS:PETTM = 120 / 4.20 = 28.57
This indicates the stock is trading at roughly 28.6 times its earnings over the past year.
Best Practices for Using TTM Data
Keep these expert tips in mind when analyzing trailing twelve-month metrics:
- Watch for One-Off Events: A massive asset sale or legal settlement in one quarter can skew the entire TTM calculation, making the company look artificially profitable or distressed. Always review the notes accompanying quarterly reports.
- Compare Apples to Apples: When comparing companies within an industry, ensure you are utilizing the exact same TTM date range, especially for businesses with high seasonality like retail or tourism.
- Combine with Forward Projections: While TTM provides a reliable look backward, pair it with forward-looking estimates (such as NTM - Next Twelve Months) to build a comprehensive valuation model.
FAQs
What does TTM mean in finance?
TTM stands for Trailing Twelve Months. It refers to the past consecutive 12-month period used for reporting financial metrics like revenue, net income, and earnings per share. Analysts prefer TTM over static fiscal year data because it offers a much fresher, continuously updated view of a company's operational trajectory without waiting for annual audits.
How do I calculate the TTM PE ratio?
To calculate the TTM Price-to-Earnings ratio, divide the current market price of a stock by its Trailing Twelve Months Earnings Per Share (EPS). The EPS is found by summing the EPS figures from the most recent four quarters. This ratio helps investors understand how much the market is currently paying for every dollar of the company's recent earnings.
What is a bad EV to TTM EBITDA?
Enterprise Value to TTM EBITDA is a popular valuation multiple used to gauge whether a company is overvalued or undervalued relative to its cash earnings. While 'bad' depends heavily on the specific industry, a high EV/EBITDA ratio (often above 15 or 20, depending on growth rates) may indicate an overvalued asset, whereas extremely high ratios combined with declining TTM EBITDA signal operational distress.
How to use TTM for future valuation?
While TTM is a historical measurement reflecting what has already happened, it serves as the baseline for future valuation models. Analysts take the TTM revenue or earnings and apply expected growth rates, margin expansion assumptions, and industry tailwinds to forecast future cash flows and project realistic target stock prices.
Formula verified against Standard financial formulas — all calculations use deterministic, standards-based formulas.
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