Mid-market rate

The mid-market rate (sometimes called the “interbank rate” or “spot rate”) is the midpoint between the bid (buy) and ask (sell) prices that banks quote each other on the wholesale currency market.

It’s the rate two banks would actually transact at — and the rate published by reference sources like the European Central Bank, Bloomberg, and Reuters. It’s not the rate any retail customer gets. Retail conversions add a spread on top, ranging from 0.3% (specialist forex providers like Wise) to 4%+ (traditional bank wires, dynamic currency conversion at ATMs).

Convertitive’s currency converters display the ECB mid-market rate. Use it as a baseline to evaluate any quote you receive — the bigger the gap, the more your provider is charging in spread.

How to use mid-market as a comparison tool: before any conversion, capture the mid-market rate for the pair (e.g., 1 EUR = 1.0843 USD). Then take the rate your provider is offering for the same direction at the same moment. The difference, expressed as a percentage of mid, is the all-in spread you’re paying — and it includes any “no-fee” conversion fees the provider has folded into the rate. A provider advertising “0% commission” with a 3% spread is meaningfully more expensive than one charging 0.5% commission on the mid rate.

When mid-market diverges from what you’ll actually receive: across weekends and major holidays the wholesale market is closed and reference sources hold the last published rate; providers add a “weekend buffer” (typically 0.5-1%) to protect against Monday gaps. Cards using the Visa or Mastercard daily fixing convert at a rate set once per day, which may differ from the live mid by tens of basis points. For exotic pairs (TRY, ARS, NGN), mid-market is reported but the real wholesale spread can be 2-3% wide; retail spreads then layer on top. See currency methodology for how Convertitive sources and stamps each rate. Related: interbank rate.

Worked example: a 5,000 EUR transfer to USD

Mid-market quote: 1 EUR = 1.0843 USD. Wholesale value of 5,000 EUR = 5,421.50 USD. Three retail outcomes for the same instruction on the same day:

• Specialist remittance (0.4% spread): 5,400 USD received — 21.50 USD cost.
• Online banking SEPA-to-SWIFT (2.0% spread + 25 USD wire fee): 5,288 USD received — 133 USD cost.
• Airport currency kiosk (5% spread + 8 USD service fee): 5,142 USD received — 280 USD cost.

Same underlying mid, identical 5,000 EUR sent — net delivered amounts range over 258 USD because of where the spread sits. Always compute the all-in by converting back through mid; do not compare advertised “exchange rates” in isolation.

Why central-bank fixings exist

The ECB publishes a daily reference rate at 16:00 CET, sampled from a panel of contributing banks against EUR. The Bank of England publishes 16:00 London fixings; the Federal Reserve Bank of New York publishes noon buying rates. These are not transactable but serve as the legal-reference rate for accounting, tax, contract settlement, and most cross-border invoicing — including the rate Convertitive’s data pages cite for historical computations. Reference: ECB Euro foreign exchange reference rates.