单选题
A bond with a 8.5% yield has a duration of 3.7 and is trading at $143. If the yield decreases to 8.2%, the new bond price is closest to:
【正确答案】
B
【答案解析】[解析] 显然，由于该期间的市场收益率有所下降，从而债券价格将会相应上升，亦即债券价格变动百分比应为正值。
债券价格变动百分比=-市场收益率变动百分比×久期=-(8.2%-8.5%)×3.7=1.11%
新的债券价格=143×(1+1.11%)=144.6(美元)