# ECI FX

> Europe’s legacy currencies, continued as one FX family.

ECI FX is published by **ECI Innovations LLC** at https://ecifx.com.

## Product

Live theoretical mids, official daily history and calculation / fixing / pricing services for 21 synthetic legacy European currencies (DEM, FRF, ITL, ESP, NLG, BEF, ATS, PTE, FIM, IEP, LUF, GRD, SIT, CYP, MTL, SKK, EEK, LVL, LTL, HRK, BGN).

Each name starts at its legal euro conversion rate. The family is built to be quoted, listed and streamed as one book. Licensed methodology is provided to counterparties under contract — not as a public specification.

## Who it is for

- Market makers who want a 21-name book instead of orphaned museum tickers.
- Exchanges that want a listing committee can live with.
- Liquidity providers who need theoretical mids and a daily publication.

## What the public site shows

- Live theoretical mids when the FX session is open (Sunday evening to Friday evening, New York). Not executable. Not a WM/Refinitiv fixing.
- Official daily history from each legal conversion date.
- Interactive charts: any of the 21 names against EUR, against USD, or against each other (https://ecifx.com/charts).
- A commercial path to licensed feeds.

## What it is not

- Not a public cookbook of the ECI FX methodology.
- Not a contractual WM/Refinitiv fixing.
- Not, by publication alone, a regulated EU/UK benchmark.
- Not investment advice.

## Key URLs

- https://ecifx.com/
- https://ecifx.com/markets
- https://ecifx.com/charts
- https://ecifx.com/services
- https://ecifx.com/methodology
- Per currency: https://ecifx.com/currencies/{CODE} e.g. /currencies/DEM

## Contact

Commercial feeds, listing support, calculation-agent mandates: info@ecifx.com