Bids ahead of 0.9200 based USD/CHF at a nine-month low Thursday nL1N33J0RQ

There is a $400 million 0.9200 option expiry next Tuesday (Jan 3)

SNB increased its forex sales to 739 million francs during Q3 nL8N33K0Y1

USD/CHF scaled three-and-a-half year peak by 1.0150 earlier this quarter

Swiss Dec CPI data due next Wednesday (Jan 4); 2.9% YY f/c (Reuters poll)