Back-test showed warehouse cost reduction of $18/loan for national mortgage originator
OptiFunder, the industry’s only Warehouse Management System (WMS), automates funding and loan sale tasks while optimizing warehouse allocation through AI-driven decisioning.
A back-test analysis on a prospective client confirmed significant cost savings by aligning allocations with strategic goals.
The results of that back-test, for a three-month measurement period, are summarized below.

To compare actual warehouse costs to projected savings, OptiFunder analyzed loan-level warehouse expense data from a national mortgage lender.
Key data points analyzed:
- Interest expenses, fees, non-use charges, and rebates
- Three warehouse facilities
- $163 million average monthly funding volume for the measurement period
The Results
OptiFunder’s optimization engine demonstrated meaningful cost savings and improved efficiency:
- Different warehouse selections for 55% of loans
- Total warehouse cost reduction of $18 per loan
- Decline in Effective Yield from 7.15% to 7.04%

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Here's What Clients Have to Say
"We went from -30k interest expense before OptiFunder to $50k in positive carry per month with OptiFunder. OptiFunder is technology that actually does what it's supposed to do."
"After our OptiFunder demo, we knew we could achieve significant savings. We moved quickly to implement; within a month we were able to start reducing expenses and automating processes."
"We're excited to harness warehouse optimization to help manage the bottom line and the efficiency gain from automated funding and post-closing to make us even more competitive.”