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  2. Duration (finance) - Wikipedia

    en.wikipedia.org/wiki/Duration_(finance)

    The steps to compute duration are the following: 1. Estimate the bond value The coupons will be $50 in years 1, 2, 3 and 4. Then, on year 5, the bond will pay coupon and principal, for a total of $1050. Discounting to present value at 6.5%, the bond value is $937.66. The detail is the following: Year 1: $50 / (1 + 6.5%) ^ 1 = 46.95

  3. Actuarial notation - Wikipedia

    en.wikipedia.org/wiki/Actuarial_notation

    is the annual effective interest rate, which is the "true" rate of interest over a year.Thus if the annual interest rate is 12% then =. (pronounced "i upper m") is the nominal interest rate convertible times a year, and is numerically equal to times the effective rate of interest over one th of a year.

  4. Compound interest - Wikipedia

    en.wikipedia.org/wiki/Compound_interest

    The effective annual rate is the total accumulated interest that would be payable up to the end of one year, divided by the principal sum. These rates are usually the annualised compound interest rate alongside charges other than interest, such as taxes and other fees.

  5. Unit of time - Wikipedia

    en.wikipedia.org/wiki/Unit_of_time

    For example, the year cannot be divided into twelve 28-day months since 12 times 28 is 336, well short of 365. The lunar month (as defined by the moon's rotation) is not 28 days but 28.3 days. The year, defined in the Gregorian calendar as 365.2425 days has to be adjusted with leap days and leap seconds. Consequently, these units are now all ...

  6. Anniversary - Wikipedia

    en.wikipedia.org/wiki/Anniversary

    In these instances, the name of the anniversary is generally derived from the Latin word(s) for the respective number of years. When anniversaries relate to fractions of centuries (125, 150, 175, 225, 250, 275 years—i.e. 1.25, 1.5, 1.75, 2.25, 2.5, and 2.75 centuries), the situation is not as simple.

  7. Why the twice-annual time changes mess with sleep patterns ...

    www.aol.com/why-twice-annual-time-changes...

    In addition, a 20-year study published in Current Biology following 732,835 fatal motor vehicle accidents showed an average 6% spike in traffic fatalities linked to DST every March.

  8. Bond (finance) - Wikipedia

    en.wikipedia.org/wiki/Bond_(finance)

    In finance, a bond is a type of security under which the issuer owes the holder a debt, and is obliged – depending on the terms – to provide cash flow to the creditor (e.g. repay the principal (i.e. amount borrowed) of the bond at the maturity date and interest (called the coupon) over a specified amount of time. [1])

  9. Category:Semiannual events - Wikipedia

    en.wikipedia.org/wiki/Category:Semiannual_events

    Recurring events which are or were held semiannually (twice per year). ... Pages in category "Semiannual events" The following 24 pages are in this category, out of ...