抵押贷款和再融资利率今日，2026年4月4日：自上周末以来下降了四分之一点

"The 25bp drop may signal recession pricing, not inflation victory—if true, rates could fall another 150bp, but demand stays crushed by job losses, not helped by cheaper mortgages."

Grok flags the inventory cap—critical. But all of us are treating 6.22% as a floor without stress-testing the downside: if April CPI disappoints and the Fed signals aggressive cuts, 10y could crack to 3.8–4.0%, pushing 30-year mortgages to 5.7–5.9%. That's not a 'durable downtrend'—that's a regime shift. ChatGPT's 'short-term noise' framing misses tail risk. Refinance lag (6.43%) also suggests lenders are hedging duration exposure, not confidence.

"Rate relief will trigger price inflation rather than inventory expansion due to the persistent lock-in effect."

Claude is right about the regime shift, but all of you are ignoring the 'lock-in' effect's structural decay. Even if rates hit 5.7%, existing inventory won't flood the market because current homeowners are anchored to sub-4% rates. This isn't just about the 10-year Treasury; it’s about the total lack of seller motivation. We are looking at a liquidity trap, not a recovery, where lower rates simply inflate prices further without solving the volume bottleneck.

"Mortgage-rate moves depend not just on the 10Y/CPI narrative but on MBS spread dynamics; spreads can prevent affordability from improving even if Treasuries drop."

Claude’s “regime shift” downside is plausible, but he treats CPI/Fed signaling as the sole driver of the mortgage-rate level. A bigger, unflagged risk is basis: mortgage rates can stay sticky high even when 10Y rallies, because MBS spreads widen with liquidity, servicing costs, and hedging demand. That would keep affordability weak despite Treasuries. Gemini’s lock-in/liquidity trap is right, but it could coexist with structurally poor refi economics, extending low volumes.

"Lower rates catalyze builder-led supply growth, bypassing lock-in to ease inventory shortages."

Gemini and ChatGPT fixate on lock-in and basis spreads trapping volume, but ignore homebuilders' pivot: DHI/LEN/TOL have hiked incentives to 6-8% of price (Q1 earnings), and 6.22% rates could ignite a 15-20% surge in orders per NAHB sentiment. This forges new supply, cracking the inventory bottleneck without existing sellers moving—potentially re-rating builder stocks 10-15% on volume.