How Valuta EX Calculates and Updates Exchange Rates
Updated
Valuta EX uses mid-market rates derived from live market data, refreshed hourly. Each conversion page shows when the rate was last updated (for example, "updated 8 minutes ago" on the USD/EUR page), so you can judge how fresh the number is before relying on it. This makes it a reasonable reference point for travelers checking what a currency is "worth" at a given moment — but not a quote you can transact at, because no bank, ATM, or kiosk actually gives you the mid-market rate.
What "mid-market rate" means here
The mid-market rate is the midpoint between the buy and sell prices banks use when trading currencies with each other. It sits between the two and carries no markup, fee, or profit margin.
That has two practical consequences:
- It is a benchmark, not a price you can get. It tells you the "fair" middle of the market, which is why it's useful for comparison.
- Any real exchange you make will be worse than this number. The gap between the mid-market rate and what you actually receive is the cost of the service.
Valuta EX states this directly: its rates are mid-market rates derived from live market data. So when you see USD/EUR at 0.87791, that is the interbank midpoint at that moment — not what a currency counter will hand you.
How often rates update
Rates refresh hourly, and the page displays the last update time. On the USD/EUR page the rate was shown as updated 8 minutes ago, which tells you the timestamp reflects the most recent hourly refresh rather than a live tick-by-tick feed.
For travel budgeting this is usually fine — hourly movement in major pairs is typically small. For anything time-sensitive, check the displayed update time rather than assuming the number is current to the second.
Why the site also shows retail markups
Valuta EX doesn't just show the mid-market number. It includes a comparison of typical allowances across retail exchange channels, which is the part most useful for travelers. Using USD → EUR as the example on the site:
| Channel | Typical markup | 1 USD gets you |
|---|---|---|
| Interbank rate | 0% | 0.88 EUR |
| (1% tier) | 1% | 0.87 EUR |
| ATM rate | 2% | 0.86 EUR |
| Credit card rate | 3% | 0.85 EUR |
| (4% tier) | 4% | 0.84 EUR |
| Kiosk rate | 5% | 0.83 EUR |
The takeaway: the mid-market rate is the top of that table, and every real-world method of getting euros sits below it. A kiosk at a 5% markup costs you noticeably more than an ATM at 2% on the same conversion.
How to use it for a real decision
- Look up the pair you need (for example, USD to EUR) and note the mid-market rate and its update time.
- Check the retail comparison table to see roughly what markup your intended method — ATM, card, or kiosk — typically carries.
- Estimate your actual proceeds by applying that markup to the amount you're converting, not by using the mid-market figure directly.
- Compare against your bank or card's stated foreign transaction fee to see whether the typical allowance shown matches your real cost.
The site also provides conversion tables for common amounts (1, 5, 10, 20, 50, 100, 250, 500, 1000) in both directions, which saves manual math for typical travel sums.
What it covers
Valuta EX supports over 160 world currencies, and each currency page notes where that currency is used — for instance, the US Dollar page lists the United States along with Ecuador, El Salvador, Panama, Puerto Rico, and others, while the Euro page lists the eurozone countries plus places like Monaco, San Marino, and Kosovo. It also links out to Wikipedia for background on coins, banknotes, and currency history.
One caveat worth noting: the currency list includes crypto assets such as AAVE, ADA, and BCH alongside conventional currencies. If you're converting between fiat currencies for travel, ignore those entries — they don't behave like a currency you'd withdraw from an ATM.
Bottom line
Valuta EX gives you an hourly-refreshed mid-market benchmark across 160+ currencies, plus a markup comparison that shows what ATMs, cards, and kiosks typically cost you on top. Use the mid-market rate to understand the fair value and the markup table to estimate what you'll actually get — the second number is the one that matters when you're deciding where to change money.