Browse Economics

FX Intervention and Reserve Accounts

Foreign-exchange intervention terms covering official market operations, reserve accounts, and sterilization choices.

FX Intervention and Reserve Accounts explains exchange-rate measures, real and nominal currency values, currency regimes, pegs, floats, convertibility, devaluation, monetary standards, and capital controls used in finance.

Use these pages when currency movements, exchange-rate measurement, cross-border cash flows, country risk, or balance-of-payments pressure affects a finance decision. It sits inside Exchange Rate Intervention and Controls, so readers can move up when the broader economics context matters.

Use the table below to choose the narrower economics branch before applying a term to a model, credit view, market interpretation, policy conclusion, or risk review. Move into the term page when the evidence source, calculation, institution, market convention, or risk exposure matters.

What This Branch Covers

AreaUse it for
Exchange Equalization AccountAn exchange equalization account holds official reserves used to manage currency stability, intervention, or foreign exchange policy.
Intervention in Foreign Exchange MarketsForeign exchange intervention uses official purchases, sales, or communication to influence currency values or market conditions.
Intra-Marginal InterventionIntra-marginal intervention occurs within a currency band’s permitted range before the exchange rate reaches its intervention limit.
SterilizationThis involves completely offsetting the impact of foreign exchange interventions on the money supply.
Unsterilized Foreign Exchange InterventionUnsterilized foreign exchange intervention changes both the exchange rate and domestic money supply because no offsetting operation is made.
Unsterilized InterventionUnsterilized intervention is official foreign exchange action that is not offset by domestic liquidity-absorbing operations.

What to Check

  • Currency pair or currency basket.
  • Nominal, real, effective, fixed, floating, or controlled measure.
  • Base period, inflation index, or weighting method.
  • Central-bank, capital-control, or convertibility rule.
  • Cash-flow, valuation, hedge, or country-risk exposure affected.

Common Mistakes

  • Comparing nominal and real exchange rates as if they were the same measure.
  • Assuming a peg is risk-free or permanent.
  • Ignoring controls, settlement limits, and convertibility restrictions.
  • Reading a currency label without checking which country, market, or basket defines it.

Currency explanations are educational and do not recommend a trade, hedge, transfer, or country allocation.

In this section

Choose a subsection first. Deeper term pages live inside each subsection, which keeps large topic hubs readable.

Exchange Equalization Account

An exchange equalization account holds official reserves used to manage currency stability, intervention, or foreign exchange policy.

Intra-Marginal Intervention

Intra-marginal intervention occurs within a currency band's permitted range before the exchange rate reaches its intervention limit.

Sterilization

This involves completely offsetting the impact of foreign exchange interventions on the money supply.

Unsterilized Intervention

Unsterilized intervention is official foreign exchange action that is not offset by domestic liquidity-absorbing operations.

Revised on Sunday, June 21, 2026