| K Language |
| Kahler Geometry |
| Kalman Filter Estimation |
| Kaplan-Meier Survival Curve |
| Kappa |
| KCBOT Exchange |
| KDB Database |
| KDB Vector Language |
| Kellisons Theory |
| Kernel Smoothing |
| Key Control Indicators |
| Key Rate |
| Key Rate Duration (KRD) |
| Key Risk Indicators (KRI) |
| Keynesian Economics |
| Keynesian Stimulas |
| K-Homology |
| Kick In Option |
| Kick Out Option |
| KK-Theory |
| Klein Geometry |
| Knock In Double Barrier Option |
| Knock In Options |
| Knock Out Double Barrier Option |
| Knock Out Options |
| Knock Out Swap |
| Knot Theory |
| Kolmogorov - Backward Equation |
| Kolmogorov - Forward Equation |
| Kolmogorov Forward |
| KRD (Key Rate Duration) |
| KRI (Key Risk Indicators) |
| Kruskal-Wallis Test |
| K-Theory |
| K-Theory - Topological |
| K-Theory - Twisted |
| Kummer Theory |
| Kurtosis |
| Kurtosis of Distribution |
| KVA (Capital Valuation Adjustment) |