The Swiss National Bank (SNB) released its monetary policy data for the week ending 23 January 2015 on Monday. The report showed that the amount of cash commercial banks hold with the SNB rose last week. Sight deposits increased to 365.486 billion Swiss francs in the week ended January 23 from 339.614 billion francs a week earlier, according to SNB data. That was the biggest weekly increase since July 2013.

Data indicates that the central bank may have intervened after discontinuing the 1.20 per euro exchange rate floor on January 15th.

The SNB declined to comment.