| TRACE for Securitized Products API Specification Update           | 
                                                                                        
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                                                                                        | New OTC Transparency Data Download and API Guidelines (Effective January 14, 2019)           | 
                                                                                        
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                                                                                        | OTC Transparency Data Download and API Guidelines, Due to go Live November 5 2018, has been Extended—A New Release Date will be Announced Soon           | 
                                                                                        
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                                                                                        | Reminder: FINRA-Bloomberg Indices to be Discontinued           | 
                                                                                        
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                                                                                        | FINRA-Bloomberg Indices to be Discontinued           | 
                                                                                        
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                                                                                        | FINRA Updates the OTCBB/OTC Equities High Price Dissemination List           | 
                                                                                        
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                                                                                        | Update - TDDS 2.0 Bandwidth Modification           | 
                                                                                        
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                                                                                        | TRF Short Sale Files           | 
                                                                                        
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                                                                                        | Reminder - FINRA/Nasdaq TRF Chicago           | 
                                                                                        
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                                                                                        | New OTC Transparency Data Download and API Guidelines (Effective November 5, 2018)           | 
                                                                                        
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                                                                                        | Revised FINRA Transaction Fee Transfer Agreement           | 
                                                                                        
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                                                                                        | Reminder - Equity Short Sale Validations           | 
                                                                                        
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                                                                                        | Reminder - FINRA Changes to FIX Trade Reporting Related to Processing of Execution Time            | 
                                                                                        
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                                                                                        | FINRA Planned Termination of Support of CTCI Protocol for Reporting Trades to TRACE AND ORF           | 
                                                                                        
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                                                                                        | Participation in the New FINRA/Nasdaq Trade Reporting Facility           | 
                                                                                        
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                                                                                        | Final Production Test for ORF and  ADF FIX Trade Reporting Tag Changes and Equity Short Sale Validations           | 
                                                                                        
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                                                                                        | SEC Approves New FINRA/Nasdaq Trade Reporting Facility           | 
                                                                                        
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                                                                                        | Production Test for  ORF and ADF FIX Trade Reporting Tag Changes and Equity Short Sale Validations           | 
                                                                                        
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                                                                                        | FINRA Updates the OTCBB/OTC Equities High Price Dissemination List           | 
                                                                                        
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                                                                                        | Holiday Reminder Regarding ADF Market Data           | 
                                                                                        
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                                                                                        | Holiday Reminder Regarding ADF Market Data           | 
                                                                                        
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                                                                                        | Equity Short Sale Validations           | 
                                                                                        
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                                                                                        | MBS Dissemination            | 
                                                                                        
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                                                                                        | TRACE Ratings Source           | 
                                                                                        
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                                                                                        | FINRA Plans Changes to FIX Trade Reporting Related to Processing of Execution Time            | 
                                                                                        
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                                                                                        | Reminder - TLS Upgrade            | 
                                                                                        
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                                                                                        | Reminder - TLS Upgrade and ORF Next Day Dividend           | 
                                                                                        
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                                                                                        | Reminder: FINRA Internal Testing In Production           | 
                                                                                        
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                                                                                        | Now Available: End-Of-Day and TRACE Security Activity Report (TSAR)            | 
                                                                                        
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                                                                                        | OATS Secure Transport Upgrade           | 
                                                                                        
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