- Lagging
- Lagging Indicator
- Lambda
- Last Dealing Time
- Latent Interest
- Law of Averages
- Law Of Large Numbers
- Leading Indicator
- Least-Squares-Fit Line
- Lending Rate
- Length
- Leptokurtik Distribution
- Leverage
- Libid
- Libor
- LIFFE
- LIFO
- Limit Order
- Line
- Line Chart
- Liquidate
- Liquidity Trap
- Liquidity Void
- Logarithmic Scale
- Lognormal Distribution
- Long
- Long Squeeze
- Long-legged Doji
- Long-Term Refinancing Operation
- Loonie
- Lost Motion
- Lot
- Low Latency Trading
- Low Price
- Lucas Numbers




