{"slug":"what-is-dark-pool-trading","qid":"print_anatomy","label":"Anatomy of TSLA's prints on July 2, 2026: off-exchange vs. on-exchange","post_title":"What Is Dark Pool Trading? FINRA Volume Data","post_url":"/blog/what-is-dark-pool-trading#q-print_anatomy","columns":["where_it_printed","prints_thousands","shares_m","median_print_shares","prints_10k_plus","largest_print_k_shares","largest_is_closing_auction"],"rows":[{"where_it_printed":"Off-exchange (TRF)","prints_thousands":922,"shares_m":36.8,"median_print_shares":2,"prints_10k_plus":34,"largest_print_k_shares":592,"largest_is_closing_auction":0},{"where_it_printed":"On-exchange","prints_thousands":737,"shares_m":37.4,"median_print_shares":24,"prints_10k_plus":21,"largest_print_k_shares":4491,"largest_is_closing_auction":1}],"shape":"table","sql":"SELECT\n    if(exchange = 4, 'Off-exchange (TRF)', 'On-exchange') AS where_it_printed,\n    round(count() / 1e3) AS prints_thousands,\n    round(toFloat64(sum(size)) / 1e6, 1) AS shares_m,\n    round(quantileDeterministic(0.5)(toFloat64(size), toUInt64(sip_timestamp))) AS median_print_shares,\n    countIf(size >= 10000) AS prints_10k_plus,\n    round(toFloat64(max(size)) / 1e3) AS largest_print_k_shares,\n    if(maxIf(size, has(conditions, 8)) = max(size), 1, 0) AS largest_is_closing_auction\nFROM global_markets.stocks_trades\nWHERE ticker = 'TSLA'\n  AND sip_timestamp >= '2026-07-02 00:00:00' AND sip_timestamp < '2026-07-03 00:00:00'\n  AND NOT hasAny(conditions, [15, 16, 38])\nGROUP BY where_it_printed\nORDER BY where_it_printed","computed_at":"2026-07-26T06:23:05.876751+00:00","elapsed":0.792506404}