{"slug":"trade-throughs-and-iso-orders","qid":"condition_codes","label":"Sale conditions that mark protection-rule exceptions","post_title":"What Is a Trade-Through? ISO Orders Explained","post_url":"/blog/trade-throughs-and-iso-orders#q-condition_codes","columns":["condition_name","tape_code","what_it_marks"],"rows":[{"condition_name":"Average Price Trade","tape_code":"","what_it_marks":""},{"condition_name":"Derivatively Priced","tape_code":"","what_it_marks":""},{"condition_name":"Extended Hours (Sold Out Of Sequence)","tape_code":"","what_it_marks":""},{"condition_name":"Intermarket Sweep","tape_code":"","what_it_marks":""},{"condition_name":"Intermarket Sweep Order","tape_code":"ISOI","what_it_marks":"Transaction was the execution of an order identified as an Intermarket Sweep Order. Process like normal transaction."},{"condition_name":"Late and Out Of Sequence","tape_code":"OSEQ","what_it_marks":"Transaction is being reported late and is out of sequence; i.e., later transactions have been reported for the particular option contract."},{"condition_name":"Odd Lot Trade","tape_code":"","what_it_marks":""},{"condition_name":"Opening Trade, Late, and Out Of Sequence","tape_code":"OPEN","what_it_marks":"Transaction is a late report of the opening trade and is out of sequence; i.e., other transactions have been reported for the particular option contra"},{"condition_name":"Prior Reference Price","tape_code":"","what_it_marks":""},{"condition_name":"Sold (Out Of Sequence)","tape_code":"","what_it_marks":""},{"condition_name":"Sold (Out of Sequence) and Stopped Stock","tape_code":"","what_it_marks":""}],"shape":"table","sql":"SELECT\n    name                                AS condition_name,\n    any(abbreviation)                   AS tape_code,\n    substring(any(description), 1, 150) AS what_it_marks\nFROM global_markets.stocks_condition_codes\nWHERE name ILIKE '%sweep%'\n   OR name ILIKE '%derivatively%'\n   OR name ILIKE '%prior reference%'\n   OR name ILIKE '%odd lot%'\n   OR name ILIKE '%average price%'\n   OR name ILIKE '%out of sequence%'\nGROUP BY name\nORDER BY condition_name\nLIMIT 15","computed_at":"2026-08-20T15:27:07.854826+00:00","elapsed":0.002943216}