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Callable Securities: Pricing to Call

Callable securities: pricing to call. Your letter dated May 1, 1978 concerning the pricing to call provisions of rules G-12 and G-15 has been referred to me for response. In your letter, you request clarification of the application of such provisions to a situation in which securities have been prerefunded and the escrow fund is to be held to the maturity date of the securities. We understand that the securities in question are part of a term issue, sold on a yield basis, and are subject to a mandatory sinking fund call beginning two years prior to maturity.

Under rules G-12 and G-15, the dollar price of a transaction effected on a yield basis must be calculated to the lowest of price to premium call price to par option or price to maturity. The calculation of dollar price to a premium call or par option date should be to that date at which the issuer may exercise an option to call the whole of a particular issue or, in the case of serial bonds, a particular maturity, and not to the date of a call in part.

Accordingly, the calculation of the dollar price of a transaction in the securities in your example should be made to the maturity date. The existence of the sinking fund call should, however, be disclosed on the confirmation by an indication that the securities are "callable." The fact that the securities are prerefunded should also be noted on the confirmation. MSRB interpretation of June 8, 1978.