Commonwealth Bank’s latest changes to its fixed home loan rates include an increase of 90 basis points to its two-year interest-only investor rate. 

CBA is one of 18 lenders that have increased fixed rates over the past week, according to comparison site Canstar.

CBA increased rates by between 20 and 50 bps on owner occupier loans with principal and interest repayments. Its rates for terms of three years or more are now all above 4 per cent.

Rate hikes for investors paying interest-only were between 25 and 90 bps. Four and five-year investor rates are now above 5 per cent.

CBA’s move follows fixed rate hikes by Westpac last week, its fifth round of increases for the year so far. NAB and ANZ increased fixed rates earlier in the month.

Among the 18 lenders that have increased fixed rates in the past week, the average increase is 40 bps.

Canstar group executive for financial services, Steve Mickenbecker, said CBA’s three-year fixed rate is now 200 bps above its lowest variable rate.

Mickenbecker said there are now only two fixed rates below 2 per cent in the Canstar database, compared with 57 variable rates under 2 per cent.