| Abbreviation | Definition |
|---|---|
| IDEAL | Investment in Downtown Economic Assistance and Livability |
| IDF | Investment and Development Fund |
| IDO | Initial Decentralized OfferingInitial Dex Offering (shortened). |
| IDPS | Investor Directed Portfolio Service |
| IDPS | Investor Directed Portfolio Services |
| IDS | Investors Diversified Service |
| IDS | Investors Diversified Services |
| IEG | Investment Experts Group |
| IEIA | Innovation and Entrepreneurship Investment Authority |
| IEPC | International Equine Podiatry Center |
| IEPD | Information Exchange Packet Documentation |
| IEPI | Institutional Effectiveness Partnership Initiative |
| IFA | Investment Finance Association |
| IFF | Investment Funding Futures |
| IFG | Investment For Growth |
| IFI | Investment Freedom Index |
| IFIC | Industrial and Financial Investments Company |
| IFIC | Industryinvestment Funds Institute Of Canada |
| IFIC | International Finance Investment and Commerce |
| IFIC | Investment Funds in Canada |