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Quantitative Finance · शब्दावली

Fallback spread क्या है?

Definition 1.17 Markets II: Rates, FX and Credit · अध्याय 1 — Central Banks and the Short Rate

A fallback spread is the fixed adjustment added to a compounded overnight rate when it replaces an interbank offered rate in an existing contract, to compensate for the credit and term premium the old rate contained. For LIBOR it was set as the five-year median of the difference between the two rates, fixed on 5 March 2021: for dollar LIBOR against SOFR, 11.448 basis points at one month, 26.161 at three months and 42.826 at six months.

A lookback: each day of the interest period takes the fixing of p business days earlier, so the last rate needed is known p days before the period ends and the payment can be computed and sent on its end date. With an observation shift the weights, too, come from the lower period.
Figure 1.4. A lookback: each day of the interest period takes the fixing of pp business days earlier, so the last rate needed is known pp days before the period ends and the payment can be computed and sent on its end date. With an observation shift the weights, too, come from the lower period.
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