Let's look at what institutional traders are doing. CAD has a long % of 42.65 and CHF only at 10.63%. Showing institutional traders favoring CHF. Retail traders on the other hand are long on CADCHF. 96% against only 4%. Usually when retail traders are heavy on one side, big money tends to go the opposite.
Historically, this pair tends to fall during this season.
Lastly, fundamentally , GDP growth and interest rates tends to favor CAD while inflation and unemployment favor CHF