BCB's David says unanchoring of inflation expectations still exits, despite haveing improved considerably; this requires BCB to operate with a tighter interest rate level than it would if it did not exist

Guidance remains valid.  The word serenity in their communication is valid for interpreting market data.  Serenity does not mean inaction.  It is natural to imagine that if price of oil increases, it has inflationary characteristic.  All of this will be taken into consideration when making decisions.