Clearing house LCH.Clearnet increased margins requirements on Italian bonds, which pushed Italian government bonds yields higher today.

Investors must deposit 5% more now in order to trade bonds expiring in seven years or more, according to a notice posted on the firm's website, where the changes will affect margins calls starting from Thursday.

Margins requirements for bonds due in the range of 7-10 years was raised to 11.65%, while bonds maturing in the range of 10-15 years currently stands at 11.8% and finally margins for bonds maturing in the range of 15-30 years became 15%.