What is the rule for discounted cash flow?

Asked by: Tia Wehner  |  Last update: January 28, 2026
Score: 4.7/5 (43 votes)

The DCF is often compared with the initial investment. If the DCF is greater than the present cost, the investment is profitable. The higher the DCF, the greater return the investment generates. If the DCF is lower than the present cost, investors should rather hold the cash.

What is discounted cash flow criteria?

Discounted cash flow is a valuation technique that uses expected future cash flows, in conjunction with a discount rate, to estimate the present fair value of an investment. It is a calculation that is concerned with the time value of money, or TVM. TVM is the idea that money today is worth more than money tomorrow.

What is the discounting rule?

Discounting is the process of determining the present value of a payment or a stream of payments that is to be received in the future. Given the time value of money, a dollar is worth more today than it would be worth tomorrow. Discounting is the primary factor used in pricing a stream of tomorrow's cash flows.

What is a good DCF rate?

For SaaS companies using DCF to calculate a more accurate customer lifetime value (LTV), we suggest using the following discount rates: 10% for public companies. 15% for private companies that are scaling predictably (say above $10m in ARR, and growing greater than 40% year on year)

When would you not use a DCF?

We do not use a DCF if the company has unstable or unpredictable cash flows (tech or bio-tech start-up) or when debt and working capital serve a fundamentally different role.

What is Discounted Cash Flow (DCF)?

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When to use a discounted cash flow?

Discounted cash flow can help investors who are considering whether to acquire a company or buy securities. Discounted cash flow analysis can also assist business owners and managers in making capital budgeting or operating expenditures decisions.

What are the limitations of a DCF?

The main Cons of a DCF model are:
  • Requires a large number of assumptions.
  • Prone to errors.
  • Prone to overcomplexity.
  • Very sensitive to changes in assumptions.
  • A high level of detail may result in overconfidence.
  • Looks at company valuation in isolation.
  • Doesn't look at relative valuations of competitors.

Is a higher or lower DCF better?

The rule of thumb for investors is that a stock is considered to have good potential if the DCF analysis value is higher than the current value, or price, of the shares. DCF relies on future assumptions about growth and discount rates, which can vary greatly. It's less useful for short-term and speculative investments.

What discount rate does Warren Buffett use?

Buffett's choice to discount by the treasury rate was his minimum required return. He also used the treasury rate as a measuring stick for all businesses, rather than assigning a different rate for different businesses.

How to work out discounted cash flow?

What is the Discounted Cash Flow DCF Formula? The discounted cash flow (DCF) formula is equal to the sum of the cash flow in each period divided by one plus the discount rate (WACC) raised to the power of the period number.

What is the Ramsey rule discounting?

The conventional instantaneous Ramsey discounting rule says that the optimal discount rate equals the pure rate of time preference plus the product of the individual degree of relative risk aversion multiplied by the growth rate.

What are the types of discounted cash flow techniques?

You can use discounting cashflow to evaluate potential investments. There are two types of discounting methods of appraisal - the net present value (NPV) and internal rate of return (IRR).

What is the law of discounting?

In finance, discounting is a mechanism in which a debtor obtains the right to delay payments to a creditor, for a defined period of time, in exchange for a charge or fee. Essentially, the party that owes money in the present purchases the right to delay the payment until some future date.

What is irr in simple words?

The internal rate of return (IRR) is a metric used to estimate the return on an investment. The higher the IRR, the better the return of an investment. As the same calculation applies to varying investments, it can be used to rank all investments to help determine which is the best.

What is the difference between NPV and discounted cash flow?

Key Differences Between DCF and NPV. Purpose: DCF: Primarily used to determine the intrinsic value of an investment based on its expected cash flows. NPV: Used to assess the profitability of a project or investment by comparing the present value of cash inflows and outflows.

What is the DCF in simple terms?

Discounted cash flow (DCF) valuation is a type of financial model that determines whether an investment is worthwhile based on future cash flows. A DCF model is centered around the idea that a company's value is determined by how well it can generate cash flows for its investors in the future.

What is Warren Buffett's golden rule?

Many novice investors lose money chasing big returns. And that's why Buffett's first rule of investing is “don't lose money”. The thing is, if an investors makes a poor investment decision and the value of that asset — stock — goes down 50%, the investment has to go 100% up to get back to where it started.

What is a good discount rate?

An equity discount rate range of 12% to 20%, give or take, is likely to be considered reasonable in a business valuation. This is about in line with the long-term anticipated returns quoted to private equity investors, which makes sense, because a business valuation is an equity interest in a privately held company.

How much money does Buffett keep in cash?

His conglomerate, Berkshire Hathaway, currently holds $325 billion in cash and equivalents, according to the firm's quarterly financial statements. Over $288 billion of that pile is in U.S. Treasury Bills, the textbook example of investing at the so-called “risk-free” rate.

What are the disadvantages of discounted cash flow?

Disadvantages. DCF Valuation is extremely sensitive to assumptions related to perpetual growth rate and discount rate. Any minor tweaking here and there, and the DCF Valuation will fluctuate wildly and the fair value so generated won't be accurate.

What are the three valuation methods?

The three most common investment valuation techniques are DCF analysis, comparable company analysis, and precedent transactions.

What happens if the intrinsic value is greater than the market price?

If a stock has an intrinsic value that is higher than its market value, it is seen as “undervalued” and therefore favoured by value investors. Conversely, if a stock has an intrinsic value that is lower than its market value, it is seen as “overvalued” and therefore viewed less favourably by value investors.

When to use discounted cash flow?

In the investment banking world, companies can use the discounted cash flow formula to know if the value of a business is a good long-term investment, as well. A DCF analysis also helps investors know if the investment is a fair value or the true value of a company.

Is free cash flow the same as discounted cash flow?

Both free cash flow and discounted cash flow are widely used financial tools. While free cash flow is more suitable for calculating business valuations, discounted cash flow offers insight into whether an investment has long-term worth.

How accurate is DCF valuation?

While the discounted cash flow (DCF) methodology is the most rigorous and financially sound for business valuation, it does have several significant limitations, namely: Extreme sensitivity to certain input assumptions. Uncertainty in calculating the terminal value of the company.