Glossary of Terms

K
Kappa
In relation to options, the same as Vega.
Kd
An abbreviation for the Cost of debt.
Kd(1-t)
An abbreviation for the after tax Cost of debt, used in calculating a firm's Weighted average cost of capital.
Ke
Abbreviation for Cost of equity.
Keynesianism
A school of economic thought, developed by John Maynard Keynes, which takes the view that active fiscal policy and, to a lesser extent, monetary policy, should be used to stimulate aggregate demand and move the economy to full employment equilibrium.
KPI
Key Performance Indicator.
Kurtosis
A statistical measure of the shape of a frequency distribution, in relation to a comparable normal distribution. Kurtosis measures the relative degree of clustering of observations in the tails of the distribution and around its mean.