Which currencies are
most volatile?
Annualized FX volatility tells you how much a currency fluctuates. High volatility means uncertainty for global pricing. Low volatility means predictability. CurrencyCore computes it from daily ECB rates over any window you choose.
Volatility data requires Growth plan · Free tier: 1,000 requests/month
curl "https://api.currency-core.com/v1/volatility?currencies=TRY,ARS,ZAR,EUR,CHF&period=1y" \
-H "Authorization: Bearer YOUR_KEY"curl -X POST https://api.currency-core.com/v1/ai \
-H "Authorization: Bearer YOUR_KEY" \
-H "Content-Type: application/json" \
-d '{"q":"Which currencies were most volatile vs USD in 2025?"}'Volatility by currency type.
General volatility characteristics based on historical patterns. Actual values vary by period.
| Currency | Typical annualized volatility | Category |
|---|---|---|
| TRY — Turkish Lira | 30%+ | High |
| ARS — Argentine Peso | 25%+ | High |
| ZAR — South African Rand | 15–20% | High |
| BRL — Brazilian Real | 15–20% | High |
| NGN — Nigerian Naira | 20%+ | High |
| INR — Indian Rupee | 8–12% | Moderate |
| MXN — Mexican Peso | 10–14% | Moderate |
| RUB — Russian Ruble | 12–15% | Moderate |
| KRW — South Korean Won | 8–11% | Moderate |
| SEK — Swedish Krona | 8–10% | Moderate |
| EUR — Euro | 5–8% | Low |
| GBP — British Pound | 5–8% | Low |
| CHF — Swiss Franc | 4–6% | Low |
| JPY — Japanese Yen | 5–7% | Low |
| AUD — Australian Dollar | 6–8% | Low |
| SGD — Singapore Dollar | 3–5% | Low |
Who needs volatility data?
Risk management
Quantify FX exposure for treasury teams. Annualized volatility is the standard input for hedging calculations.
SaaS pricing
Identify which markets have stable currencies suitable for fixed pricing vs which need dynamic adjustments.
AI agents
Give agents volatility context so they can answer "Is INR stable enough to use as a billing currency?" with real data.
Market analysis
Build currency stability dashboards. Rank by volatility to find safe-haven candidates or emerging market signals.
Common questions
What is currency volatility?
Currency volatility measures how much an exchange rate fluctuates over time, usually expressed as annualized standard deviation of daily returns. Higher volatility means greater uncertainty and wider swings in the exchange rate.
Which currencies are typically most volatile?
Emerging market currencies like the Turkish Lira (TRY), Argentine Peso (ARS), and South African Rand (ZAR) tend to show high volatility. Safe-haven currencies like the Swiss Franc (CHF) and Japanese Yen (JPY) tend to be more stable.
How can I access volatility data via API?
CurrencyCore's /v1/volatility endpoint returns annualized FX volatility for any currency pair over any time window. Available on Growth plan and above. See Volatility API docs for full details.
Measure volatility.
For any pair, any window.
Volatility data on Growth plan and above. Free tier: 1,000 requests/month to start.