| Jacobian Matrix |
| Jamshidian |
| Japanese Candlesticks |
| Japanese Government Bond (JGB) |
| Japanese Yen |
| JavaScript Programming |
| Jensen Measure |
| JGB (Japanese Government Bond) |
| Johansen's MLE-based Cointegration Test |
| Joint Frequency |
| Joint Stock |
| JR (Jarrow and Rudd) |
| J-Shaped Distribution |
| Judgmental Analysis |
| Julian Date |
| Jump Risk |
| Junior Bond Holder |
| Junior Tranche |
| Junk Bonds |