Why would two coupon bonds with the same maturity have a different yield to maturity?

Related questions

1. Is yield the same as yield to maturity?
2. What is indicative YTM?
3. Does a bond's yield to maturity change?
4. What affects yield to maturity?
5. What does YTM mean?
6. How do Yields work?
7. What is nominal yield to maturity?
8. Does YTM change over time?
9. What is considered a good dividend payout?
10. What is yield formula in Excel?

Tags

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2. #become
3. #average
4. #calculation
5. #maturity
6. #later
7. #rates
8. #important
9. #increases
10. #earlier
11. #bonds
12. #flows
13. #present
14. #yields
15. #value
16. #coupon
17. #depending
18. #yield