- DDIV — First Trust Dorsey Wright Momentum & Dividend ETF
- DDL — Dingdong (Cayman) Limited
- DDLS — WisdomTree Dynamic International SmallCap Equity ETF
- DDM — ProShares Ultra Dow30
- DDNFF — Adamera Minerals Corp.
- DDNQ — Innovator Growth-100 Dual Directional 5 Buffer ETF
- DDOG — Datadog, Inc.
- DDR.AX — Dicker Data Limited
- DDS — Dillard's, Inc.
- DDSQ — Innovator Equity Dual Directional 5 Buffer ETF
- DDT — Dillards Capital Trust I CAP SECS 7.5%
- DDT.AX — DataDot Technology Limited
- DDTD — Innovator Equity Dual Directional 10 Buffer ETF - December
- DDTF — Innovator Equity Dual Directional 10 Buffer ETF
- DDTJ — Innovator Equity Dual Directional 10 Buffer ETF - January
- DDTN — Innovator Equity Dual Directional 10 Buffer ETF - November
- DDWM — WisdomTree Dynamic International Equity Fund
- DDX — Discipline Fund ETF
- DE — Deere & Company
- DE.V — Decisive Dividend Corporation
- DEA — Easterly Government Properties, Inc.
- DEAL.V — Playgon Games Inc.
- DEC — Diversified Energy Company PLC
- DEC.V — Decade Resources Ltd.
- DECK — Deckers Outdoor Corporation
- DECN — Decision Diagnostics Corp.
- DECO — SPDR Galaxy Digital Asset Ecosystem ETF
- DECT — AllianzIM U.S. Equity Buffer10 Dec ETF
- DECW — AllianzIM U.S. Equity Buffer20 Dec ETF
- DECXF — Decade Resources Ltd.
- DECZ — TrueShares Structured Outcome (December) ETF
- DEDVF — Decisive Dividend Corporation
- DEED — First Trust Securitized Plus ETF
- DEEF — Xtrackers FTSE Developed ex US Multifactor ETF
- DEEP — Acquirers Small and Micro Deep Value ETF
- DEER — Deer Consumer Products, Inc.
- DEF.V — Defiance Silver Corp.
- DEFI.NE — DeFi Technologies Inc.
- DEFN.V — Defense Metals Corp.
- DEFT — DeFi Technologies Inc.
- DEHP — Dimensional - Emerging Markets High Profitability ETF
- DEI — Douglas Emmett, Inc.
- DEL.AX — Delorean Corporation Limited
- DELCF — Delic Holdings Corp.
- DELHY — Delivery Hero SE
- DELKY — Delek Group Ltd.
- DELL — Dell Technologies Inc.
- DELTF — Delta Galil Industries Ltd.
- DELX — Delex Healthcare Group Inc
- DELX.V — DelphX Capital Markets Inc.
- DEM — WisdomTree Emerging Markets High Dividend Fund
- DEM.AX — De.mem Limited
- DEMO — Democrasoft Holdings, Inc.
- DEMZ — Democratic Large Cap Core ETF
- DENI — Denali Bancorporation, Inc.
- DENKF — Denka Company Limited
- DEO — Diageo plc
- DEQI — Direct Equity International, Inc.
- DERM — Journey Medical Corporation
- DES — WisdomTree U.S. SmallCap Dividend Fund
- DES.AX — Desoto Resources Ltd
- DESK — VanEck Office and Commercial REIT ETF
- DETRF — Deterra Royalties Limited
- DETX — Liberty Defense Holdings, Ltd. Common Shares
- DEUS — Xtrackers Russell US Multifactor ETF
- DEUZF — Deutz AG
- DEV.AX — DevEx Resources Limited
- DEVM — DevMar Equities, Inc.
- DEW — WisdomTree Global High Dividend Fund
- DEWM — Dewmar International BMC, Inc.
- DEWY — The Dewey Electronics Corporation
- DEX.V — Almadex Minerals Ltd.
- DEXC — Dimensional - Emerging Markets ex China Core Equity ETF
- DEXSF — Dexus
- DFAC — Dimensional - US Core Equity 2 ETF
- DFAE — Dimensional - Emerging Core Equity Market ETF
- DFAI — Dimensional - International Core Equity Market ETF
- DFAR — Dimensional - US Real Estate ETF
- DFAS — Dimensional - US Small Cap ETF
- DFAT — Dimensional - US Targeted Value ETF
- DFAU — Dimensional - US Core Equity Market ETF
- DFAW — Dimensional - World Equity ETF
- DFAX — Dimensional - World ex US Core Equity 2 ETF
- DFCA — Dimensional - California Municipal Bond ETF
- DFCF — Dimensional - Core Fixed Income ETF
- DFDV — DeFi Development Corp.
- DFDVW — DeFi Development Corp.
- DFE — WisdomTree Europe SmallCap Dividend Fund
- DFEB — FT Vest U.S. Equity Deep Buffer ETF - February
- DFEL — China TMK Battery Systems Inc.
- DFEM — Dimensional - Emerging Markets Core Equity 2 ETF
- DFEN — Direxion Daily Aerospace & Defense Bull 3X Shares
- DFEV — Dimensional - Emerging Markets Value ETF
- DFGP — Dimensional - Global Core Plus Fixed Income ETF
- DFGR — Dimensional - Global Real Estate ETF
- DFGX — Dimensional - Global ex US Core Fixed Income ETF
- DFH — Dream Finders Homes, Inc.
- DFIC — Dimensional - International Core Equity 2 ETF
- DFIFF — DFR Gold Inc.
- DFIHY — DFI Retail Group Holdings Limited
