Moving used to be cheaper. That flipped in 2022.
The same math we run on today's rate, run every quarter back to 2013. For most of the decade before the pandemic, the typical American would have lowered their monthly payment by moving.
Why it was negative for so long: the outstanding stock was a decade average of thirty-year loans written when rates were much higher. Moving got you into a lower payment. In 2018Q2 the average held rate finally sat below the market. Every quarter since, the number has climbed. Low point: −$184/mo in 2013Q1.
2022 dwarfs everything.
Households freed (moved above today's line) minus households locked in (moved below it). Same scale, both sides.
Roughly 1.3M loans a year cycle regardless of rates.
People move for jobs, kids, divorces, inheritances. Over the last four quarters, that churn added or removed +1.3M households from the "locked in" bucket — separate from anything rates did.
Source: FHFA National Mortgage Database (quarterly) + Freddie Mac PMMS via FRED. 52 quarter-over-quarter transitions.