In the recent market conditions, the average liquidity for USD/CAD is highest around Sydney close. This is different to pre-COVID market conditions when the highest average liquidity is observed around London close and New York open.
Liquidity in USD/CAD drops off sharply between 13:00 and 14:00 GMT (going into London close and New York open) in the recent market conditions, relative to pre-COVID market conditions.
We also notice an immediate and sharp drop in recent liquidity after London fixing hour (between 17:00 and 18:00 GMT), relative to pre-COVID market conditions.