Function simple_margin
pub fn simple_margin(
instrument: &AnyInstrument,
quoted_clean: f64,
settlement: NaiveDate,
) -> Result<f64, BondReadingError>Expand description
A floating-rate note’s simple margin at quoted_clean on settlement:
the closed form, no curve and no solve.
§Errors
BondReadingError::Product for an instrument that is not a
floating-rate note.