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  2. Call money - Wikipedia

    en.wikipedia.org/wiki/Call_money

    The interest rate paid on call money is known as the call rate. It is a highly volatile rate that varies from day to day and sometimes even from hour to hour. There is an inverse relationship between call rates and other short-term money market instruments such as certificates of deposit and commercial paper. A rise in call money rates makes ...

  3. Fisher equation - Wikipedia

    en.wikipedia.org/wiki/Fisher_equation

    The Fisher equation plays a key role in the Fisher hypothesis, which asserts that the real interest rate is unaffected by monetary policy and hence unaffected by the expected inflation rate. With a fixed real interest rate, a given percent change in the expected inflation rate will, according to the equation, necessarily be met with an equal ...

  4. Black–Scholes model - Wikipedia

    en.wikipedia.org/wiki/Black–Scholes_model

    Hence by taking , the foreign interest rate, , the domestic interest rate, and the rest as above, the following results can be obtained: In the case of a digital call (this is a call FOR/put DOM) paying out one unit of the domestic currency gotten as present value:

  5. Black's approximation - Wikipedia

    en.wikipedia.org/wiki/Black's_approximation

    In finance, Black's approximation is an approximate method for computing the value of an American call option on a stock paying a single dividend. It was described by Fischer Black in 1975. [1] The Black–Scholes formula (hereinafter, "BS Formula") provides an explicit equation for the value of a call option on a non-dividend paying stock. In ...

  6. Interest rate - Wikipedia

    en.wikipedia.org/wiki/Interest_rate

    Negative interest rates have been proposed in the past, notably in the late 19th century by Silvio Gesell. [31] A negative interest rate can be described (as by Gesell) as a "tax on holding money"; he proposed it as the Freigeld (free money) component of his Freiwirtschaft (free economy) system. To prevent people from holding cash (and thus ...

  7. Fixed vs. variable interest rates: How these rate types work ...

    www.aol.com/finance/fixed-vs-variable-interest...

    For premium support please call: 800-290-4726 more ways to reach us. Sign in. Mail. 24/7 Help. For premium support please call: ... FAQs: Interest rates, saving money and investing in your future.

  8. What is compound interest? How compounding works to ... - AOL

    www.aol.com/finance/what-is-compound-interest...

    Here’s what the letters represent: A is the amount of money in your account. P is your principal balance you invested. R is the annual interest rate expressed as a decimal. N is the number of ...

  9. Valuation of options - Wikipedia

    en.wikipedia.org/wiki/Valuation_of_options

    Whenever a dividend is paid, the stock goes ex-dividend, therefore the price will go down which will results in an increase in put premiums and decrease in call premiums. Apart from above, other factors like bond yield (or interest rate) also affect the premium. This is because the money invested by the seller can earn this risk free income in ...