If a bond has a 7% nominal yield or coupon and was purchased at a premium of $103 ($1030), then your YTM will calculate lower because the 7% interest is only paid to the $1000 par.

如果债券的名义收益率7％或优惠券，在103元（1030美元）的溢价购买，那么您油尖旺将计算出较低的，因为只有7％的利息支付给1000美元的面值。

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It is important to note that the nominal yield does not estimate return accurately unless the current bond price is the same as its par value.

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