Early December GBP/CHF failed to beat the 1.22 resistance two times, which was already a short signal by itself.
Today it became apparent that the GB-EU Brexit talks are taking a turn for the worse, potentially even being cancelled altogether. This action would mean that a No-Deal Brexit is imminent and you should trade accordingly.
My guess will be that the EU and GB will fail to find compromises and that no deal will be found, launching GBP and EUR into the abyss.