Ever wonder why mortgage rates feel stuck even when inflation cools? The answer hides deep in the plumbing of the financial system. Where trillions once parked in the Fed’s reverse repo facility are quietly vanishing.
As that pool of easy cash drains, liquidity tightens. Banks, dealers, and investors suddenly face higher funding costs. And those ripples travel fast, straight into housing markets.
From quarter-end repo jitters to shrinking money supply, the invisible world of short-term lending is reshaping how homes are financed, priced, and sold.
Let’s uncover how this silent squeeze connects Wall Street desks to your neighborhood listings.
Mortgage Rates and Spreads
Liquidity leaves a trail, and in today’s housing market, it shows up in mortgage rates. As the Fed drains reserves and reverse repo balances fall, short-term funding costs climb. Dealers pay more to borrow overnight, and that pressure filters straight into mortgage pricing. When repo rates rise, investors demand higher yields on mortgage-backed securities. The result is costlier loans for borrowers.
Fewer Americans are buying with debt. The share of mortgaged homeowners has slipped from 67.8% in 2009 to just 59.7% in 2024. Access the above graph here. [Link]
The impact is visible in the numbers. The share of U.S. homeowners carrying a mortgage has slipped from 67.8% in 2009 to just 59.7% in 2024. As fewer buyers can afford new debt. Meanwhile, mortgage payments as a share of household income have surged from 21% in 2021 to 33.4% in 2025, with the average mortgage rate holding near 6.35%. For a median household earning $82,836, that means roughly $27,658 a year just to cover housing payments.
This squeeze is reshaping even resilient regions like Southern California. High-earning households are pausing purchases, sellers are trimming prices, and investors are recalculating returns. Liquidity that once flowed freely through repo desks now dictates who can buy a home. And who gets priced out. In this market, the cost of money itself has become the ultimate gatekeeper of housing demand.
Days on the Market
Liquidity shows up in how long a home sits. When money gets pricey, buyers slow down. Sellers wait. The clock ticks. We can see it in Days on Market (DOM).
In 2021, at the peak of cheap money, the U.S. median DOM fell to 41 days. Homes moved fast. By 2022, DOM rose to 47 days, then 48 days in 2023. As mortgage costs climbed and financing spreads stayed wide, momentum faded. The turn accelerated in 2024 with DOM up to 55 days. In 2025, the median hit 62 days, back near the high end of the past decade and close to 2017–2019 levels (64/60/62 days).
Homes are taking longer to sell. Median Days on Market jumped from 41 days in 2021 to 62 days in 2025. Access the above graph here. [Link]
That rise is the demand signal. Higher short-term funding costs push up mortgage rates. Buyers lose payment power. Search windows stretch. Inspections and contingencies come back. Sellers don’t command the same rush or the same premiums.
A longer DOM also shifts pricing behavior. The longer a home lingers, the more likely the first price cut. Negotiations widen. Concessions reappear. Builders’ pace releases. Agents reset expectations with comps that reflect slower velocity.
DOM is the bridge between market plumbing and street-level reality. It translates repo and rate stress into a number every reader can feel, i.e., time. More days mean less heat and a cooler path for prices.
Final Thoughts
America’s housing market is now a mirror of liquidity. As reverse repos shrink and short-term funding costs rise, the flow of cheap money that once powered home buying has slowed. Mortgage rates stay high, affordability weakens, and listings linger longer.
Every number, from rising payments to longer selling times, tells the same story. When liquidity dries up, housing breathes more slowly. And until credit loosens, the market will move with caution, not confidence.
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