Examlex
In the Black-Scholes model,the symbol "σ" is used to represent the standard deviation of the:
Exchange Rate
The price at which one currency can be exchanged for another in the foreign exchange market.
Inflation Rate
The speed of growth in the average price level of goods and services, decreasing the effectiveness of purchasing power.
Exchange Rate
The value of one currency for the purpose of conversion to another, dictating how much one currency is worth in terms of another.
Risk-free Rate
The theoretical return on an investment with zero risk, typically represented by government bonds or bills of a stable government.
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