Follow the numbers. Read the stories. Build a more informed currency watchlist.
Replay the past. See the effect of currency moves and costs.
After costs · hypothetical sale on each date
| Currency | Before costs | After costs | Net change |
|---|---|---|---|
| USDHome cash · no exchange | 10,000.00 | 10,000.00 | +0.00% |
| EUR | 9,671.42 | 9,565.16 | -4.35% |
| CHF | 9,688.13 | 9,581.70 | -4.18% |
Historical cash exchange only; no interest, tax, inflation, leverage or asset returns. Costs apply on entry and exit. Home-currency cash stays unchanged with no exchange costs. Past results do not predict future returns.
Each row separately exchanges the full starting amount into that currency on the first shared observation date. The chart values that holding back in your home currency on every subsequent observation date, after a hypothetical exit. It does not charge an exit fee on every day of a continuing holding.
Before costs = starting amount × historical exchange-value ratio. After costs = (starting amount − entry fee) × (1 − haircut ÷ 100)² × ratio − exit fee. Fixed fees use your selected home currency on both legs; the haircut approximates the reduction from reference rates, not the full quoted bid–ask spread. Weekend reference observations may repeat. The home-currency row is unexchanged cash, not a savings account.
Understand the spread and fees →Your choices stay on this device.
Start with USD and compare it with major alternatives. The shortlist below follows your home currency.
Compare the history →Selected for your home currency and reading goal. Different roles, different risks.
Editorial selection for research, not a ranking or a buy recommendation.The dollar sits at the centre of global currency trading. It is a useful starting point for understanding cross-border prices and the wider market.
The euro is the world’s second most important international currency, according to the ECB. Follow it to understand a different monetary-policy and economic cycle.
The Swiss National Bank describes the franc’s safe-haven reputation. Its response to uncertainty makes it worth studying alongside the dollar and euro.
Compare how their exchange values change against your chosen base.
| Currency | Start index | End index | Change |
|---|---|---|---|
| USD | 100.00 | 100.00 | +0.00% |
| EUR | 100.00 | 98.56 | -1.44% |
| CHF | 100.00 | 99.25 | -0.75% |
A rising line means one unit buys more of the base currency. FX movement only; excludes interest, fees and inflation. Historical moves do not predict future returns.
Practical guides, worked examples and tools to explore the numbers.
Separate the return on an asset from the currency in which you measure it.
A small gap in the rate can make a meaningful difference to what you receive.
Read the quote direction, the dates and the costs before interpreting a gain.
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