Definition. The OHLC data for the EUR/USD currency pair, measuring the exchange rate between the euro and the U.S. dollar.

Technical. On non-trading periods (weekends, market holidays, and outside market hours for intraday resolutions), OHLC values are forward-filled from the last trading session's close price. Daily resolution has data since January 2009, intraday resolutions (10m, 1h) have shorter history.