Eng
Bond screener Top picks Broker Comparison Prices News About us
Help us personalize your Bondfish experience
To make your bond exploration seamless and ensure our recommendations deliver maximum value, please answer 3 quick questions:
This will take less than a minute and helps us tailor the platform to your needs.
What do you want to know about bonds?
You can use natural language command or identifier, if the instument is known
Thinking...
%%ask%%
%%html%%
%%answer%%
User wants average coupon, grouped per quarter, for "best" long-term (likely 10+ years) bonds, lowest risk, limited to German and French issuers.
Identifies the need to:
  • Find relevant fields for coupon, maturity date, risk, issuer country (for bonds)
  • Find fields for country, risk (for issuers)
Using tool to resolve which instrument (bond) fields map to:
  • "average coupon"
  • "maturity date"
  • "risk level"
  • "issuer country"
Using tool to resolve issuer fields for:
  • "country"
  • "risk level"
Converting "German issuers" into structured issuer query
Converting "French issuers" into structured issuer query

Glossary Show All

GDP Deflator: Definition & Meaning | Bondfish

What it means

Gross domestic product can grow for two reasons: the economy is producing more, or prices are simply higher. The GDP deflator separates the two by comparing nominal GDP (output valued at current prices) to real GDP (output valued at constant, base-year prices). A rising deflator means part of the reported GDP growth is inflation, not extra production.

Unlike the Consumer Price Index (CPI), which tracks a fixed basket of goods a typical household buys, the GDP deflator covers every good and service produced domestically — including business investment, government spending, and exports — so its composition shifts each period along with the economy itself. That makes it broader than CPI, though it excludes imported goods that CPI does capture.

Why it matters for bond investors

Central banks and bond investors watch the GDP deflator alongside CPI and core PCE to judge whether an economy's growth is genuine or mostly a price effect. A hotter-than-expected deflator print can reinforce a higher-for-longer rate path, pressuring bond prices, while a cooling deflator can support the case for future rate cuts. It is also the tool used to convert nominal GDP figures into real GDP growth rates that feed directly into central bank policy decisions and market rate expectations.

Example

GDP Deflator = (Nominal GDP ÷ Real GDP) × 100

If nominal GDP is $25 trillion and real GDP (in base-year prices) is $22 trillion:
GDP Deflator = (25 ÷ 22) × 100 ≈ 113.6
This means overall prices in the economy are running about 13.6% above the base-year level.

Related terms

This definition is for general information only and is not investment advice. Bond investing involves risk, including possible loss of principal.