Definition
The 48-hour rule is a requirement that sellers of to-be-announced (TBA) mortgage-backed securities (MBS) communicate all pool information regarding the MBS to buyers before 3 p.m. Eastern Time, 48 hours before the settlement date of the trade. The Securities Industry and Financial Markets Association (SIFMA) enforces this rule. SIFMA was formerly known as the Public Securities Association or Bond
In Panel Profits
In the Panel Profits market platform, 48-Hour Rule: What It is, How It Works, Example applies standard financial concepts principles to comic assets and physical collections.
Common mistakes
Do not infer unobserved prices.