Symbol and units
One EUR quoted in NZD: EUR is the base and NZD the quote currency.
Chart connection
Select OANDA:EURNZD and retain the provider label.
Comparison task
Separate the timestamp and price type when comparing an EUR-based NZD reference rate with a moving chart. A daily reference and an intraday observation are different measurements.
Observation time
Save the date, clock time, zone and source reference time.
Data interpretation
ECB reference rates are information, not executable or external-service settlement prices.
Related exercise
Use the candle-boundary exercise to hold the observation window fixed before comparing price changes.
Service boundary
Chart provision and account operation are separate roles. Check FXLand for signup and order conditions.