21.   If, sometime down the road, a bond is paying more interest than generally available elsewhere, investors will be willing to pay more to own it.

22.   Inflation-indexed bonds pay a coupon amount based on the stated real rate, but their principal also increases by the amount of inflation.

23.   Inflation-indexed bonds pay a relatively low interest rate, but the principal grows along with inflation.

24.   Likewise, if the bond is paying less than prevailing interest rates, it becomes less attractive, and the bond price falls.

25.   Long-term bonds typically pay more than short-term ones, because there is more time for untoward events, like default or inflation, to occur.

26.   Moreover, the yield curve of bonds is flattening, which means that short-term bonds pay almost as much as bonds with maturities of a decade or more.

27.   Most bonds pay interest twice a year.

28.   Most corporate bonds pay principal back in one lump sum at maturity.

29.   Qids buyers can also reinvest dividends more often than with bonds, as Qids pay dividends quarterly, like preferred stock, while bonds pay semiannually.

30.   Series HH bonds differ from Series EE bonds in that HH bonds pay interest every six months.