HL??? 1?4000? ? ??? ??? ???? ??? ????? ??? ????. ??? ??? ??? ???? ? ?? ?? ??? ???.
20? ????(IB) ??? ??? HL??? 3?? 1000? ? ??? 1?150? ?, 5?? 500? ? ??? 4700? ?? ?? ? 1500? ? ??? 1?4850? ?? ?? ??? ???. HL??? ?? ????????????(????) ?? ±30bp(???????, 1bp=0.01%???)? ????? ??? 3??? ????(―) 5bp, 5??? ―23bp? ????? ???. ?? 27? ???? ??? ??? HL??? ?? 2000? ?? ????? ??? ?? ??. IB?? ???? “HL??? 2??? ????? ??? ?? ??? ???”? “?? ????? ??? ???? ?????(IR)? ?? ????? ????, ?????? ??? ?? ???? ??? ??? ???”? ???.
1962? ?? ??? HL??? ???? ??·??·????? ???? ???? ??. ??? ? ?? ????? HL???? ?? ??? 30.2%? ???? ??.