The discount rate is the interest rate that central banks charge financial institutions to borrow funds. In trading and investing, it is used to measure the cost of capital and the opportunity cost of investing in a particular asset.
Traders and investors can use the discount rate in financial modelling to value assets such as stocks, bonds, and real estate. For example, the discount rate can be used to determine the present value of future cash flows, such as dividends or bond coupon payments.
If an investor is considering purchasing a stock that is expected to pay out $20 per share in dividends in the following year, they can use the discount rate to determine the current value of that future cash flow with this formula:
PV = D / (1+r)^n
where PV represents the Present Value, D represents the future cash flow or dividend expected from the investment, r represents the discount rate, and n represents the number of periods in which the future cash flow will be received.
Let’s say the trader has considered the risk and return profile of the stock, and they deem that a discount rate of 10% is appropriate. They would calculate the present value of the future $20 dividend payment for the stock as $18.18.
If the stock is, at present, trading at less than $18.18 per share, it may be undervalued, and the trader may find a potential buying opportunity. Conversely, if the stock is trading at more than
$18.18 per share, it may be overvalued, and the trader may find a potential selling opportunity.
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