| Abbreviation | Definition |
|---|---|
| MOP | Maximum Offering Price |
| MORRE | Montreal Exchange Registered-Representative Order-routing and Execution System |
| MOST | Market Order System of Trading |
| MP | Market Place |
| MPI | Marginal Propensity To Invest |
| MPI | Massive Passive Income |
| MPS | Marginal Propensity To Save |
| MPSE | Madhya Pradesh Stock Exchange |
| MPT | Modern Portfolio Theory |
| MPV | Market Potential Value |
| MQN | Market Quotation Notification |
| MSA | Medical Savings Accounts |
| MSB | Money Service Business |
| MSC | Market Stance Coefficient |
| MSCI | Morgan Stanley Composite Index |
| MSCIW | Morgan Stanley Capital International World Index |
| MSE | Manila Stock Exchange |
| MSE | Midwest Stock Exchange |
| MSE | Mongolian Stock Exchange |
| MSE | ongolian Stock Exchange |