Skip to main content

Are you on the right long-term path? Get a full financial assessment

Get a full financial assessment
← Back to A Definitions

Amortized cost"

What Is Amortized Cost?

Amortized cost is a method of valuing financial assets and financial liabilities on a balance sheet. It falls under the broader category of Accounting & Financial Reporting. This valuation approach recognizes the initial cost of an asset or liability and then systematically adjusts that amount over its expected life to reflect the accretion of interest (for discounts) or the amortization of interest (for premiums), as well as any principal repayments. The goal of amortized cost accounting is to present the instrument at a value that reflects its true economic cost or obligation over time, rather than its fluctuating market value. It is primarily applied to financial instruments that an entity intends to hold until maturity, where the objective is to collect contractual cash flows rather than to trade the instrument for short-term gains.

History and Origin

The concept of amortized cost has long been a fundamental principle in accounting, particularly for long-term debt and investments. Its formal application and prominence have evolved significantly with the development of international and national accounting standards. Historically, many financial instruments were reported at their historical cost, with adjustments for interest. However, modern accounting standards, such as International Financial Reporting Standard 9 (IFRS 9) and the Financial Accounting Standards Board's (FASB) ASC 320, have refined the classification and measurement of financial instruments.

A pivotal moment in the evolution of amortized cost accounting, especially for financial assets, was the introduction of IFRS 9 by the International Accounting Standards Board (IASB). Effective for annual periods beginning on or after January 1, 2018, IFRS 9 replaced IAS 39, aiming to simplify the accounting for financial instruments and address perceived deficiencies, particularly concerning the timely recognition of credit losses. IFRS 9 established a new classification model that determines whether a financial asset is measured at amortized cost, fair value through other comprehensive income, or fair value through profit or loss. An instrument qualifies for amortized cost if it is held within a business model whose objective is to collect contractual cash flows and if its contractual terms give rise on specified dates to cash flows that are solely payments of principal and interest on the principal amount outstanding.4

Key Takeaways

  • Amortized cost is an accounting method used to value financial assets and liabilities on the balance sheet.
  • It starts with the initial recognition amount and adjusts it over the instrument's life for interest, premiums, or discounts, using the effective interest rate method.
  • This method is generally applied to instruments held with the intention of collecting contractual cash flows until maturity, such as certain loans and bonds.
  • Amortized cost reflects the instrument's cost over its life, providing a stable carrying value that is not influenced by short-term market fluctuations.
  • It requires periodic assessment for impairment, particularly for potential credit losses.

Formula and Calculation

The calculation of amortized cost typically uses the effective interest method, which systematically allocates interest income or expense over the life of the financial instrument. This method ensures a constant rate of return on the carrying amount of the asset or liability.

The general formula for calculating amortized cost at a specific period is:

Amortized Cost (Period n)=Amortized Cost (Period n1)+(Effective Interest Rate×Amortized Cost (Period n1))Cash Received/Paid\text{Amortized Cost (Period } n) = \text{Amortized Cost (Period } n-1) + (\text{Effective Interest Rate} \times \text{Amortized Cost (Period } n-1)) - \text{Cash Received/Paid}

Where:

  • Amortized Cost (Period (n)): The carrying value of the asset or liability at the end of the current period.
  • Amortized Cost (Period (n-1)): The carrying value of the asset or liability at the end of the previous period (or initial recognition amount).
  • Effective Interest Rate: The rate that exactly discounts estimated future cash payments or receipts through the expected life of the financial instrument to the net carrying amount at initial recognition.
  • Cash Received/Paid: The actual cash interest received (for an asset) or paid (for a liability) during the period.

For an asset purchased at a discount, the effective interest income will be greater than the cash received, increasing the amortized cost towards its face value. Conversely, for an asset purchased at a premium, the effective interest income will be less than the cash received, decreasing the amortized cost towards its face value.

Interpreting the Amortized Cost

Amortized cost provides a view of a financial instrument based on its contractual cash flows rather than its current market price. When examining a company's balance sheet, financial assets and financial liabilities reported at amortized cost are generally those that the entity intends to hold to collect contractual principal and interest payments.

The interpretation of amortized cost relies on understanding that it reflects the "book value" or "carrying value" of an instrument as if it were to be held until its contractual maturity. This means that fluctuations in market interest rates or changes in the instrument's fair value are not immediately reflected in the carrying amount. Instead, the value steadily moves towards the face value (or maturity value) of the instrument. For investors, this provides a stable, predictable measure of the value of these long-term holdings, but it does not convey the potential gains or losses if the instrument were to be sold before maturity.

Hypothetical Example

Consider Company A that issues a 3-year bond with a face value of $100,000, a stated annual interest rate of 5% (paid annually), when the prevailing market interest rate for similar bonds is 6%. Because the market rate (6%) is higher than the stated rate (5%), the bond will be issued at a discount.

Using present value calculations, the issue price (initial amortized cost) of the bond would be approximately $97,327.

YearBeginning Amortized CostCash Interest Paid (5% of $100,000)Interest Expense (6% of Beginning Amortized Cost)Discount Amortization (Interest Expense - Cash Paid)Ending Amortized Cost
1$97,327$5,000$5,839.62$839.62$98,166.62
2$98,166.62$5,000$5,889.99$889.99$99,056.61
3$99,056.61$5,000$5,943.39$943.39$100,000.00

In this example, the amortized cost of the bond (as a financial liability for Company A) gradually increases from its initial discounted value of $97,327 to its face value of $100,000 at maturity. This methodical adjustment reflects the recognition of the discount as additional interest expense over the bond's life.

Practical Applications

Amortized cost is widely applied across various sectors of finance and accounting, particularly for instruments intended to be held long-term.

  • Banking and Lending: Commercial banks typically hold a large portion of their loans and certain debt instruments at amortized cost on their balance sheet. This reflects the business model of collecting contractual payments rather than actively trading these assets. Financial data from the Federal Reserve shows the aggregate "Held to Maturity (Amortized Cost)" for all FDIC-insured commercial banks, highlighting its significance in the banking sector.3
  • Corporate Bonds and Debt: Companies that issue bonds or other long-term debt typically report these liabilities at amortized cost. This includes accounting for any premium or discount on issuance over the life of the debt through the effective interest method.
  • Investment Portfolios (Held-to-Maturity): Institutional investors and corporations holding debt securities with the intent and ability to hold them until maturity classify these as "held-to-maturity" and report them at amortized cost. This contrasts with "available-for-sale" or "trading" securities, which are measured at fair value.

Limitations and Criticisms

Despite its widespread use, amortized cost accounting has limitations, particularly when market conditions change rapidly or significantly.

One primary criticism is that amortized cost does not reflect the current fair value of an asset or liability. This can lead to a disconnect between the reported book value and the actual economic value, especially for long-term instruments in volatile interest rate environments. For instance, if interest rates rise significantly after a bond is issued, its fair value in the market will fall, but its amortized cost will remain largely unchanged, potentially overstating the asset's value on the balance sheet. This issue gained prominence during periods of financial stress, such as the 2008 financial crisis and more recently with bank failures like Silicon Valley Bank, where significant unrealized losses on held-to-maturity portfolios, not recognized at fair value, became a concern.2

Another limitation relates to the complexity in accounting for certain features or changes, such as early call options on debt instruments. For example, accounting standards sometimes require premiums on callable debt securities to be amortized to the earliest call date, rather than the contractual maturity date, which can accelerate the recognition of certain adjustments.1

Furthermore, the "intent and ability" criterion for classifying assets at amortized cost can involve management judgment, which some critics argue could potentially be manipulated. While impairment rules (like the expected credit loss model under IFRS 9 and ASC 326) aim to address credit risk by requiring more timely recognition of potential losses, amortized cost still prioritizes the contractual cash flows over immediate market valuations.

Amortized Cost vs. Fair Value

The distinction between amortized cost and fair value is a fundamental concept in financial reporting, representing two different philosophies of asset and liability measurement.

FeatureAmortized CostFair Value
Measurement BasisOriginal cost adjusted for interest/premiums/discounts over lifeCurrent market price (or estimated market price)
Changes ReflectedContractual cash flows, effective interest methodReal-time market conditions and expectations
ObjectiveReflects cost to hold until maturity, collect cash flowsReflects current selling/settling price
VolatilityGenerally low, stableHigh, fluctuates with market
ApplicationHeld-to-maturity investments, most loans, many liabilitiesTrading securities, derivatives, certain investments
Income Statement ImpactPeriodic interest income/expenseUnrealized gains/losses often recognized immediately

While amortized cost provides a stable measure reflecting the commitment to hold an instrument for its full term, fair value offers a snapshot of what an asset or liability is worth today if it were to be bought or sold. Companies often hold a mix of assets and liabilities measured by both methods, depending on their business model and intent for each instrument.

FAQs

What types of financial instruments are typically measured at amortized cost?

Amortized cost is commonly applied to debt instruments that a company intends and has the ability to hold until maturity. This includes many corporate bonds, government bonds, loans (like mortgages and commercial loans), and trade receivables. For liabilities, it often applies to long-term borrowings such as bonds payable and notes payable.

How does a bond's premium or discount affect its amortized cost?

When a bond is issued at a premium (above face value), the premium is amortized over the bond's life, reducing the recorded interest income (for investors) or expense (for issuers) and gradually decreasing the bond's carrying value towards its face value at maturity. Conversely, if a bond is issued at a discount (below face value), the discount is accreted (amortized) over time, increasing the recorded interest income or expense and raising the bond's carrying value towards its face value. This process ensures the yield to maturity is recognized consistently.

Does amortized cost consider expected credit losses?

Yes, under modern accounting standards like IFRS 9 and FASB's ASC 326 (Current Expected Credit Loss or CECL), financial instruments measured at amortized cost are subject to an impairment model that requires entities to recognize expected credit losses. This means that even if an asset is held at amortized cost, potential future losses due to a borrower's inability to pay are estimated and recorded, affecting the carrying value on the balance sheet.

Is amortized cost used under both GAAP and IFRS?

Yes, the concept of amortized cost is fundamental and used under both U.S. Generally Accepted Accounting Principles (GAAP) and International Financial Reporting Standards (IFRS). While the specific classification criteria and application details may differ between the two frameworks (e.g., IFRS 9 for financial instruments vs. ASC 320 and ASC 326 under GAAP), the core principle of measuring certain financial instruments at their adjusted cost over time remains consistent.

AI Financial Advisor

Get personalized investment advice

  • AI-powered portfolio analysis
  • Smart rebalancing recommendations
  • Risk assessment & management
  • Tax-efficient strategies

Used by 30,000+ investors