themortgagellm™Use Case · Market Snapshot & Live Rate-Lock Feed
Query the Optimal Blue aggregated industry feed — daily-refreshed loan-level rate locks covering the majority of US originator pipeline. Ask about current median rates, product mix, geography, pull-through, and LLPA divergence from the published Fannie / Freddie grid. The visual equivalent lives at <a href="/market-snapshot" class="ug-link">/market-snapshot</a>; the chat is where you drill in beyond the six default sections.
Sample prompts
Current 30YR conforming rate vs last week
“What is the median 30-year conforming purchase note rate over the last 7 days, and how does it compare to the prior 7 days?”
As of the most recent Optimal Blue release, the median 30-year conforming purchase lock rate is 6.500%, up 12 bps week-over-week from 6.380%. Volume is $6.08B across 16,626 locks…
Rate distribution across FICO × LTV cells
“Give me the median lock rate for conforming 30-year purchase locks in the last 14 days, broken out by FICO band and LTV band.”
Rate spreads across the FICO×LTV grid are ~50 bps: 780+ / <=60 LTV median 6.375% vs 620-659 / >95 LTV median 6.875%. The bulk of price dispersion is on the LLPA overlay, not the note rate itself…
LLPA reality-check: market vs Fannie base grid
“For a 720 FICO / 80 LTV conforming 30-year purchase, what is the median observed LLPA in the last 14 days vs the currently-effective published Fannie base grid?”
Observed market LLPA: -50 bps (a net credit). Published Fannie base grid for the same cell: +125 bps. Market prices 175 bps below grid — consistent with heavy seller concessions, aggregator credits, and competitive concession activity in this cohort…
Pull-through and lock-to-fund timing by product
“For locks requested 60 to 90 days ago (mature cohort), what fraction funded within 30 days and what is the median days-to-fund by product?”
Conforming 30YR Fixed Purchase: 68% funded within 30 days, median 22 days to fund. FHA: 61% / 26 days. VA: 59% / 28 days…