What Is Payback Time in Investing?

Most valuation methods ask what a business is worth. Payback Time asks a sharper, more intuitive question: how many years until the company's own earnings pay back what I paid for it? Popularized by Phil Town, it's one of the simplest ways to judge whether a price leaves you a margin of safety.

What is Payback Time?

Payback Time is the number of years it would take for a company's growing earnings to add up to your purchase price. If you buy a business for $100 and it earns $10 this year, growing each year, you don't wait ten years — because the earnings compound, the real payback is shorter. The faster and more durably a company grows, the quicker it pays you back.

How to calculate Payback Time

You need three inputs:

• The price you'd pay (market cap, or price per share).
• Current free cash flow or owner earnings.
• A conservative growth rate based on the company's history.

Then you sum the growing earnings year by year until the running total equals your purchase price. The year it crosses that line is your Payback Time.

What is a good Payback Time?

As a rule of thumb, value investors look for a Payback Time of roughly 8 years or fewer for a high-quality business. If a wonderful company pays you back in 8 years, the price is reasonable. If it takes 15–20 years, you're paying too much for growth that may never arrive.

Why it complements other methods

Payback Time frames value through the lens of risk and time, which a static DCF or 10-CAP doesn't capture as intuitively. That's why the strongest approach is to cross-check all three. When Intrinsic Value, 10-CAP, and Payback Time agree, your estimate is robust.

See Payback Time for any stock

Moatly calculates Payback Time automatically alongside Intrinsic Value and 10-CAP, then rolls all three into one fair value price with a margin-of-safety score. Adjust the growth assumption and watch every number update instantly.