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Currency intervention explained

Currency intervention occurs when an authority buys, sells or otherwise influences foreign exchange to affect market conditions.

How it works

Intervention can be direct, such as transactions in the market, or indirect through policy signals and liquidity measures. Authorities may target disorderly conditions rather than a precise price.

What to check

Use official central-bank or finance-ministry statements where available. Rumours about intervention can move markets before any confirmed action is published.

  • Look for official confirmation
  • Distinguish intervention from routine reserves activity
  • Do not assume a permanent price floor

Limits and risks

Intervention does not guarantee a lasting exchange-rate level. Its effect depends on scale, credibility, broader monetary policy and market expectations.

Primary sources

BIS 2025 Triennial Central Bank Survey↗FCA: Contracts for difference (CFDs)↗

General information only. Investment products can lose value, and terms, fees and regulation can change.