In the recent market conditions, the average spread for NZD/USD is highest around New York close. This is similar to pre-COVID market conditions.
For NZD/USD, we observe a flattening of the recent spread curve at around 16:00 GMT i.e. London fixing hour, with spread being more equally distributed across London trading hours during this recent period.
Spread in NZD/USD increases sharply between 20:00 and 21:00 GMT (going into New York close) in the recent market conditions, relative to pre-COVID market conditions.