Wide Bay Australia (Wide Bay) has launched a new residential mortgage-backed securities (RMBS) deal, with an indicative volume of A$250 million (US$245.9 million) across four tranches. WB Trust 2010-1 is the third asset-backed deal to come to the market this week, following hot on the heels of the launch of a Bendigo and Adelaide Bank RMBS and an automotive asset-backed securities deal from Capital Finance Australia.