Fundamentals will probably support a weaker GBP.
Economic red news releases include GBP: cpi , retail sales and reporting.
Should all of or most of these news items be negative for the GBP, a definite GBP weakness will be experienced.
Note: no significant news releases scheduled for the CAD.
Price appear to be oversold on the 4hr chart.
The indicator on the 1hr chart show further weakness.
It therefore imply a potential short position is in the making that might produce +/- 200 pips.
See potential price levels for entry, profit taking and risk management on chart.
Remember, anything can happen.