> ## Documentation Index
> Fetch the complete documentation index at: https://docs.activeviam.com/llms.txt
> Use this file to discover all available pages before exploring further.

# FX rate market data

Download sample file: [FX\_Rate\_Market\_Data.csv](../assets/csv/FX_Rate_Market_Data.csv)

The file is used to provide FX quotes, through the `FxRateMarketData` topic.

This FX rate market data file type is identified using the pattern: **\*\*FX\_Rate\_Market\_Data\*.csv** (as specified by `mr.common.file-patterns.fx-rate-market-data`).
This file is loaded using the **FXRateMarketData** topic. See the [Topic Aliases table](../dev/dev-mr-application/dev-dlc/dlc-mr-config#topic-aliases) for an understanding of the topic aliases associated with each topic.

For information on the glob patterns used and how to customize them, see note on [File name patterns](.#file-name-patterns)

<table><tr><th>Field</th><th>Key</th><th>Null</th><th>FieldType</th><th>Description</th><th>Example</th></tr><tr><td>AsOfDate</td><td>Y</td><td>N</td><td>String with format ‘YYYY-MM-DD’</td><td>Indicates the date of the file. See <a href=".">Note on AsOfDate</a>.</td><td /></tr><tr><td>MarketDataSet</td><td>Y</td><td>N</td><td>String</td><td>String defining the market data set</td><td>‘Official EOD’ or ‘Stressed’</td></tr><tr><td>BaseCcy</td><td>Y</td><td>N</td><td>String</td><td>The left side of the currency pair.</td><td /></tr><tr><td>CounterCcy</td><td>Y</td><td>N</td><td>String</td><td>The right side of the currency pair.</td><td /></tr><tr><td>Quote</td><td>N</td><td>N</td><td>Double</td><td>Forex rate between the two currencies.</td><td /></tr></table>