i hate bonds

if the duration of a 6.2% 18 yr bond is 11.28, then what’s the price change of the bond due to a interest rate change of 1 basis points. a) .1128 b) .1128% c) .1287 d) .1287%

11.28% price change in response to a 100bp change in yield 0.1128% price change in response to a 1bp change in yield

what is your answer?

B) .1128%