"This distance for the time being and the way it has developed does not call for substantial turmoil or something disorderly," Visco, who is also governor of the Bank of Italy, said of Italy's bond spread, currently at around 245 basis points.

"This is crucial: if tomorrow we start seeing 250, 55, 60 and so on - something that (means) there is panic in the market, we act and kill the market."

(Reporting By Francesco Canepa; Editing by Frank Jack Daniel)