fluctuations and correlations

Fluctuations refer to the variations or changes in a given quantity, such as price, value, or performance, over a period of time. These fluctuations can be regular or irregular, and they are often characterized by an increase or decrease in the quantity being measured. Correlations, on the other hand, describe the relationship or association between two or more variables. When there is a correlation, changes in one variable tend to correspond or be connected to changes in another variable. Correlations can be positive, indicating a direct relationship, or negative, indicating an inverse relationship between the variables. The strength and direction of the correlation can vary, ranging from weak to strong.

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