Lenders expect AI to expedite refinancing for homeowners, impacting mortgage bond market

Lenders including Rocket Mortgage, United Wholesale Mortgage, and Better.com are deploying artificial intelligence across their origination pipelines, compressing application-to-approval timelines from weeks into minutes. Better.com says it can process a refinance in as little as two minutes. United Wholesale Mortgage claims initial approvals now take fifteen minutes. Rocket Mortgage reports application-to-rate-lock times as short as thirty minutes and is targeting ten minutes as its next benchmark. The speed upgrade is bigger than it sounds Rocket Mortgage has put more than $500 million into AI and automation over the past six years, signaling this is a long-term infrastructure build rather than a feature launch. The result is a pipeline that can handle surges in demand without the manual bottlenecks that historically caused lenders to throttle volume during rate rallies. Morgan Stanley strategists, including Jay Bacow, published a report on August 7, 2026 estimating that AI-driven efficiency could push refinance participation rates from roughly 33% of eligible borrowers during a rate dip to around 60%. If rates reached 5.5%, that uptake level could translate into approximately $2...