| MIC | Venue Name |
| XASE | NYSE AMERICAN LLC |
| ARCX | NYSE ARCA |
| ARCX | NYSE ARCA |
| BATS | CBOE BZX U.S. EQUITIES EXCHANGE |
| XBOS | NASDAQ OMX BX |
| OCEA | BLUE OCEAN ALTERNATIVE TRADING SYSTEM |
| XBOX | BOX OPTIONS EXCHANGE |
| BATY | CBOE BYX U.S. EQUITIES EXCHANGE |
| XCBO | CBOE GLOBAL MARKETS INC. |
| C2OX | CBOE C2 OPTIONS EXCHANGE |
| XCHI | NYSE TEXAS, INC. |
| EDGE | BATS DIRECT EDGE |
| EDGA | CBOE EDGA U.S. EQUITIES EXCHANGE |
| EDGX | CBOE EDGX U.S. EQUITIES EXCHANGE |
| EMLD | MIAX EMERALD, LLC |
| GMNI | ISE GEMINI EXCHANGE |
| IEOS | IBKR EOS ATS |
| IBKR | INTERACTIVE BROKERS LLC |
| IATS | IBKR ATS |
| IEXG | INVESTORS EXCHANGE |
| IEXG | INVESTORS EXCHANGE |
| XISX | INTERNATIONAL SECURITIES EXCHANGE, LLC |
| ICEL | ISLAND ECN LTD, THE |
| LTSE | LONG-TERM STOCK EXCHANGE, INC. |
| MEMX | MEMX LLC EQUITIES |
| MCRY | ISE MERCURY, LLC |
| XMIO | MIAMI INTERNATIONAL SECURITIES EXCHANGE |
| XNAS | NASDAQ - ALL MARKETS |
| XBXO | NASDAQ OMX BX OPTIONS |
| XNDQ | NASDAQ OPTIONS MARKET |
| XNYS | NEW YORK STOCK EXCHANGE, INC. |
| XCIS | NYSE NATIONAL, INC. |
| OTCN | OTC LINK ECN |
| MPRL | MIAX PEARL, LLC |
| XPHL | NASDAQ OMX PHLX |
| XPSE | PACIFIC EXCHANGE |
| XPSX | NASDAQ OMX PSX |
| SPHR | MIAX SAPPHIRE, LLC |
| 24EQ | 24X NATIONAL EXCHANGE LLC |
| TRWB | TRADEWEB LLC |
| ARCX | NYSE ARCA |
| ARCX | NYSE ARCA |
| ARCX | NYSE ARCA |
| BARX | BARCLAYS ATS |
| BATS | CBOE BZX U.S. EQUITIES EXCHANGE |
| BATY | CBOE BYX U.S. EQUITIES EXCHANGE |
| BATY | CBOE BYX U.S. EQUITIES EXCHANGE |
| CDED | CITADEL SECURITIES |
| CODA | CODA MARKETS - MICRO AND BLOCK |
| COHR | COMHAR CAPITAL MARKETS, LLC |
| EDGE | BATS DIRECT EDGE |
| EDGA | CBOE EDGA U.S. EQUITIES EXCHANGE |
| EDGX | CBOE EDGX U.S. EQUITIES EXCHANGE |
| EPRL | MIAX PEARL EQUITIES |
| GMNI | ISE GEMINI EXCHANGE |
| HRTF | HUDSON RIVER TRADING (HRT) |
| IEXG | INVESTORS EXCHANGE |
| INCA | INSTINET DESK CROSS |
| ICEL | ISLAND ECN LTD, THE |
| JLEQ | JUMP TRADING - US EQUITY PLATFORM |
| JSES | JANE STREET EXECUTION SERVICES LLC |
| JSJX | JANE STREET JX |
| KNLI | KNIGHT LINK |
| LAMP | LAMPOST CAPITAL |
| LEVL | LEVEL ATS |
| LTSE | LONG-TERM STOCK EXCHANGE, INC. |
| MEMX | MEMX LLC EQUITIES |
| XNAS | NASDAQ - ALL MARKETS |
| OTCN | OTC LINK ECN |
| SAGE | SAGETRADER |
| TRCX | TOWER RESEARCH CAPITAL TRCX |
| UBSA | UBS ATS |
| UBSS | UBS SECURITIES LLC |
| XASE | NYSE AMERICAN LLC |
| XBOS | NASDAQ OMX BX |
| XBOX | BOX OPTIONS EXCHANGE |
| XCHI | NYSE TEXAS, INC. |
| XCIS | NYSE NATIONAL, INC. |
| XNAS | NASDAQ - ALL MARKETS |
| XNYS | NEW YORK STOCK EXCHANGE, INC. |
| XPSX | NASDAQ OMX PSX |
| XTXD | XTX DIRECT |
| XNYS | NEW YORK STOCK EXCHANGE, INC. |
| 24EQ | 24X NATIONAL EXCHANGE LLC |
| XASE | NYSE AMERICAN LLC |
| ARCX | NYSE ARCA |
| ARCX | NYSE ARCA |
| C2OX | CBOE C2 OPTIONS EXCHANGE |
| BATS | CBOE BZX U.S. EQUITIES EXCHANGE |
| BATY | CBOE BYX U.S. EQUITIES EXCHANGE |
| OCEA | BLUE OCEAN ALTERNATIVE TRADING SYSTEM |
| XBOX | BOX OPTIONS EXCHANGE |
| C2OX | CBOE C2 OPTIONS EXCHANGE |
| XCBO | CBOE GLOBAL MARKETS INC. |
| CODA | CODA MARKETS - MICRO AND BLOCK |
| EDGA | CBOE EDGA U.S. EQUITIES EXCHANGE |
| EDGO | CBOE EDGX OPTIONS EXCHANGE |
| EDGX | CBOE EDGX U.S. EQUITIES EXCHANGE |
| EMLD | MIAX EMERALD, LLC |
| EPRL | MIAX PEARL EQUITIES |
| GMNI | ISE GEMINI EXCHANGE |
| GTSM | GTS SECURITIES |
| IEXG | INVESTORS EXCHANGE |
| XISE | INTERNATIONAL SECURITIES EXCHANGE, LLC - EQUITIES |
| LTSE | LONG-TERM STOCK EXCHANGE, INC. |
| MAXM | |
| MCRY | ISE MERCURY, LLC |
| MEMX | MEMX LLC EQUITIES |
| XMIO | MIAMI INTERNATIONAL SECURITIES EXCHANGE |
| MPRL | MIAX PEARL, LLC |
| MXOP | MEMX LLC OPTIONS |
| OCEA | BLUE OCEAN ALTERNATIVE TRADING SYSTEM |
| OTCX | OTC MARKETS |
| SPHR | MIAX SAPPHIRE, LLC |
| VHUB | Velocity |
| XBOS | NASDAQ OMX BX |
| XBXO | NASDAQ OMX BX OPTIONS |
| XCIS | NYSE NATIONAL, INC. |
| XMIO | MIAMI INTERNATIONAL SECURITIES EXCHANGE |
| XNAS | NASDAQ - ALL MARKETS |
| XASE | NYSE AMERICAN LLC |
| XOFF | OFF-EXCHANGE TRANSACTIONS - LISTED INSTRUMENTS |
| XPHL | NASDAQ OMX PHLX |
| MIHI | MIAMI INTERNATIONAL HOLDINGS, INC. |
| XNAS | NASDAQ - ALL MARKETS |
| CODA | CODA MARKETS - MICRO AND BLOCK |
| OTCX | OTC MARKETS |
| VHUB | VELOCITY CLEARING, LLC |
| AVMM | Atomic Vaults Market Maker |
| 24EQ | 24X NATIONAL EXCHANGE LLC |
| 24DX | 24X NATIONAL EXCHANGE - DARK |
| AATS | ASSENT ATS |
| ALPX | ALPHAX US |
| AMLG | AMERICAN LEDGER ATS |
| BAML | BANK OF AMERICA - MERRILL LYNCH INSTINCT X ATS |
| MLVX | BANK OF AMERICA - MERRILL LYNCH VWAP CROSS |
| BARX | BARCLAYS ATS |
| BCDX | BARCLAYS DIRECT EX ATS |
| FNXB | FENICS INVITATIONS |
| BLUE | PRO SECURITIES ATS |
| BNDS | BONDS.COM, INC. |
| BNPC | BNPP CORTEX ATS |
| BOSS | BRUCE ATS |
| CDED | CITADEL SECURITIES |
| CDEL | CITADEL SECURITIES ATS |
| CFIM | CBOE FIXED INCOME MARKETS, LLC |
| CBLC | CITIBLOC |
| CICX | CITI CROSS |
| CIOI | CIOI |
| LQFI | CITI LIQUIFI |
| CODA | CODA MARKETS - MICRO AND BLOCK |
| COHR | COMHAR CAPITAL MARKETS, LLC |
| CAES | CREDIT SUISSE AES CROSSFINDER |
| CULV | CULVERT CAPITAL LLC |
| DASH | DASH ATS |
| DBSX | DEUTSCHE BANK SUPER X |
| EDGE | BATS DIRECT EDGE |
| FMXX | FMX EXECUTION, LLC |
| FNIX | GFI SECURITIES LLC - FENICS DELTA X |
| LATG | GFI SECURITIES LLC - CREDITMATCH (LATG) |
| SGBX | SIGMA X2 - BENCHMARK CROSS |
| SGMT | SIGMA X2 |
| GTCO | KCG AMERICAS LLC |
| HRTF | HUDSON RIVER TRADING (HRT) |
| IBKR | INTERACTIVE BROKERS LLC |
| IATS | IBKR ATS |
| IEOS | IBKR EOS ATS |
| TMCC | ICE TMC |
| VABD | ICE BONDPOINT |
| ICEL | ISLAND ECN LTD, THE |
| IDXM | IDX MARKETS, LLC |
| IEXA | IEX DAP LLC |
| IEXG | INVESTORS EXCHANGE |
| IEXC | INVESTORS EXCHANGE - DAX FACILITY |
| INCR | INTELLIGENTCROSS |
| IVWP | INTELLIGENTCROSS - VWAP CROSS |
| INTL | STONEX FINANCIAL INC. |
| ITGI | POSIT |
| JLEQ | JUMP TRADING - US EQUITY PLATFORM |
| JPBX | JPBX |
| JPMX | JPMX |
| JSES | JANE STREET EXECUTION SERVICES LLC |
| JSJX | JANE STREET JX |
| KNLI | KNIGHT LINK |
| KNMX | KNIGHT MATCH ATS |
| LAMP | LAMPOST CAPITAL |
| LESI | LEDGEREDGE SECURITIES INC. |
| LEVL | LEVEL ATS |
| EBXV | LEVEL ATS - VWAP CROSS |
| RJXX | LEVEL ATS - RAYMOND JAMES AND ASSOCIATES X |
| TXBA | BOFA VWAP CROSS AT LEVEL |
| LIUS | LIQUIDNET, INC. |
| LIFI | LIQUIDNET, INC. FIXED INCOME ATS |
| LIUH | LIQUIDNET, INC. H2O ATS |
| LMNX | LUMINEX TRADING AND ANALYTICS LLC - ATS |
| LTSE | LONG-TERM STOCK EXCHANGE, INC. |
| MAGM | MAGMA ATS |
| MEMX | MEMX LLC EQUITIES |
| MXOP | MEMX LLC OPTIONS |
| EMLD | MIAX EMERALD, LLC |
| EPRD | MIAX PEARL EQUITIES EXCHANGE DARK |
| EPRL | MIAX PEARL EQUITIES |
| MPRL | MIAX PEARL, LLC |
| SPHR | MIAX SAPPHIRE, LLC |
| XMIO | MIAMI INTERNATIONAL SECURITIES EXCHANGE |
| MOON | MOON |
| MSLC | MS LONG CROSS |
| MSPL | MS POOL |
| MSRP | MS RPOOL |
| MSTC | MS TRAJECTORY CROSSING ATS |
| MSTX | MS TRAJECTORY CROSS |
| MKAA | MARKETAXESS ATS |
| XSTM | FIDELITY CROSSSTREAM ATS |
| NPMS | NASDAQ PRIVATE MARKET - SECONDMARKET |
| NXUS | NX ATS - CROSSING PLATFORM |
| OCEA | BLUE OCEAN ALTERNATIVE TRADING SYSTEM |
| OCTU | OCTAURA - ATS |
| OTCO | OTC OVERNIGHT |
| OTCM | OTC LINK ATS - OTC MARKETS |
| OTCN | OTC LINK ECN |
| OYLD | OPENYIELD ATS |
| PDQD | CODA MARKETS ATS DARK |
| PJCX | PIPER SANDLER AND CO. - ATS |
| PRSE | PRAGMA ATS |
| PULX | INSTINET BLOCKCROSS ATS |
| PVBL | PROVABLE MARKETS |
| RICX | RIVERCROSS |
| SAGE | SAGETRADER |
| SCXA | SEED DIGITAL SECURITIES MARKET |
| SIGX | SIGMA X CANADA |
| STFX | STIFEL, NICOLAUS AND COMPANY, INCORPORATED |
| SUNT | SUN TRADING LLC |
| TMID | TRUMID ATS |
| TRCX | TOWER RESEARCH CAPITAL TRCX |
| TRWB | TRADEWEB LLC |
| TSBX | DBOT ATS, LLC |
| TXSE | TEXAS STOCK EXCHANGE |
| TXSD | TEXAS STOCK EXCHANGE - DARK |
| O360 | 360T US-OTC |
| UBSA | UBS ATS |
| UBSS | UBS SECURITIES LLC |
| VCRS | VIRTU MATCHIT - CONDITIONAL ROOM |
| VFMI | VIRTU MATCHIT - MAIN CROSSING SESSION |
| XWEE | WEEDEN ATS |
| WFLP | WELLS FARGO SECURITIES, LLC - EQUITIES - LIQUIDITY PROVIDERS |
| WELX | WELLS FARGO LIQUIDITY CROSS ATS |
| WSBL | WEMATCH US - SBL |
| XAQS | AUTOMATED EQUITY FINANCE MARKETS |
| XBOX | BOX OPTIONS EXCHANGE |
| XCBO | CBOE GLOBAL MARKETS INC. |
| BATS | CBOE BZX U.S. EQUITIES EXCHANGE |
| BATY | CBOE BYX U.S. EQUITIES EXCHANGE |
| C2OX | CBOE C2 OPTIONS EXCHANGE |
| EDGA | CBOE EDGA U.S. EQUITIES EXCHANGE |
| EDGO | CBOE EDGX OPTIONS EXCHANGE |
| EDGX | CBOE EDGX U.S. EQUITIES EXCHANGE |
| BLKX | INSTINET BLOCKCROSS ATS |
| IBLX | INSTINET BLX |
| IIDX | INSTINET IDX |
| INCA | INSTINET DESK CROSS |
| XISX | INTERNATIONAL SECURITIES EXCHANGE, LLC |
| GMNI | ISE GEMINI EXCHANGE |
| MCRY | ISE MERCURY, LLC |
| XISE | INTERNATIONAL SECURITIES EXCHANGE, LLC - EQUITIES |
| XNAS | NASDAQ - ALL MARKETS |
| XBOS | NASDAQ OMX BX |
| XBXO | NASDAQ OMX BX OPTIONS |
| XNDQ | NASDAQ OPTIONS MARKET |
| XPHL | NASDAQ OMX PHLX |
| XPSX | NASDAQ OMX PSX |
| XNYS | NEW YORK STOCK EXCHANGE, INC. |
| AMXO | NYSE AMERICAN OPTIONS |
| ARCO | NYSE ARCA OPTIONS |
| ARCX | NYSE ARCA |
| XASE | NYSE AMERICAN LLC |
| XCHI | NYSE TEXAS, INC. |
| XCIS | NYSE NATIONAL, INC. |
| XPSE | PACIFIC EXCHANGE |
| XTXD | XTX DIRECT |
| XNGS | Nasdaq Global Select |
| XNCM | Nasdaq Capital Market |
| BZX | Cboe BZX |
| BYX | Cboe BYX |
| PEAR | MIAX Pearl Equities |
| SOHO | Two Sigma ATS |
| UBSX | UBS ATS (Alt MPID) |
| BIDS | BIDS Trading |
| PDQX | PDQ ATS |
| ICBX | Instinet CBX |
| ITGX | Instinet POSIT |
| POSI | POSIT |
| DBOX | Deutsche Bank ATS |
| DBAX | Deutsche Bank Alt ID |
| LQNT | Liquidnet |
| CAVE | Citadel Cavern ATS |
| CSFB | Credit Suisse CrossFinder |
| AQUA | Aqua ATS |
| JEFX | Jefferies Jef-X |
| JETX | Jefferies Alt ID |
| CDLR | Citadel Alt Route |
| CDRG | Citadel Route Group |
| CITX | Citadel Internal |
| NITE | Virtu (Knight) |
| VIRT | Virtu Americas |
| DTTX | Virtu Alt Route |
| VALR | Virtu Alt 2 |
| GTSM | GTS Securities |
| JNST | Jane Street |
| JSCA | Jane Street Capital |
| MSCO | Morgan Stanley |
| GSCO | Goldman Sachs |
| MLCO | Merrill / BofA |
| SBSH | Citigroup (CGMI) |
| DRWT | DriveWealth |
| DRWC | DriveWealth Alt |
| AXTN | AX Trading |
| LQNA | Liquidnet H2O |
| EBXL | Level ATS |
| CXCX | Citi Cross / Citi Match |
| XIST | Instinet Crossing |
| LATS | Barclays LX ATS |
| BTBK | Bloomberg Tradebook ATS |
| APOG | Apogee |
| OTCR | OTC Link ATS |
| PROS | Pro Securities ATS |
| RCSL | RiverCross ATS |
| SGMA | Sigma X |
