Redwood Trust is preparing to issue an expanded-prime mortgage-backed security that will be somewhat smaller than others issued by the real estate investment trust. Sequoia Mortgage Trust 2018-CH3 will be a $417.0 million issuance, according to a presale report by Kroll Bond Rating Agency. In May, Redwood issued a $520.5 million expanded-prime deal and the firm issued a $444.3 million MBS in February. Mortgages in the deals are largely similar and the pending issuance has ...