"Record To-Be-Announced activity [in March] was primarily driven by a spike in rate volatility amid heightened macro uncertainty and broader market volatility," Tradeweb said.
Analysts suggest that the incentives in the proposals to retain mortgage originations are stronger than the incentives for banks to increase their deliveries into MBS.
"While the 2026 spring homebuying season may spark some momentum, the most likely outcome is modest price growth as buyers and sellers remain at a standoff," said Thom Malone, principal economist at Cotality.