{"slug":"fractional-shares-on-the-tape","qid":"boundary_window","label":"AAPL average print size across the February 2026 boundary","post_title":"How Fractional Shares Hit the Tape","post_url":"/blog/fractional-shares-on-the-tape#q-boundary_window","columns":["session_date","session_label","shares_per_print","volume_millions"],"rows":[{"session_date":"2026-02-09","session_label":"Feb 9","shares_per_print":61.3,"volume_millions":44.6},{"session_date":"2026-02-10","session_label":"Feb 10","shares_per_print":66.6,"volume_millions":34.4},{"session_date":"2026-02-11","session_label":"Feb 11","shares_per_print":65.8,"volume_millions":51.9},{"session_date":"2026-02-12","session_label":"Feb 12","shares_per_print":78.4,"volume_millions":81.1},{"session_date":"2026-02-13","session_label":"Feb 13","shares_per_print":73.2,"volume_millions":56.3},{"session_date":"2026-02-17","session_label":"Feb 17","shares_per_print":74.8,"volume_millions":58.5},{"session_date":"2026-02-18","session_label":"Feb 18","shares_per_print":62.5,"volume_millions":34.2},{"session_date":"2026-02-19","session_label":"Feb 19","shares_per_print":60.5,"volume_millions":30.8},{"session_date":"2026-02-20","session_label":"Feb 20","shares_per_print":66.6,"volume_millions":42.1},{"session_date":"2026-02-23","session_label":"Feb 23","shares_per_print":55.9,"volume_millions":37.3},{"session_date":"2026-02-24","session_label":"Feb 24","shares_per_print":72.2,"volume_millions":47},{"session_date":"2026-02-25","session_label":"Feb 25","shares_per_print":57.7,"volume_millions":33.7},{"session_date":"2026-02-26","session_label":"Feb 26","shares_per_print":53.3,"volume_millions":32.3},{"session_date":"2026-02-27","session_label":"Feb 27","shares_per_print":94.2,"volume_millions":72.4},{"session_date":"2026-03-02","session_label":"Mar 2","shares_per_print":59.3,"volume_millions":41.8},{"session_date":"2026-03-03","session_label":"Mar 3","shares_per_print":61.5,"volume_millions":38.6},{"session_date":"2026-03-04","session_label":"Mar 4","shares_per_print":62.4,"volume_millions":39.8},{"session_date":"2026-03-05","session_label":"Mar 5","shares_per_print":65.5,"volume_millions":49.7},{"session_date":"2026-03-06","session_label":"Mar 6","shares_per_print":66.2,"volume_millions":41.1}],"shape":"series","sql":"SELECT\n    toString(date)                                        AS session_date,\n    formatDateTime(date, '%b %e')                         AS session_label,\n    round(sum(toFloat64(volume)) / sum(transactions), 1)  AS shares_per_print,\n    round(sum(toFloat64(volume)) / 1000000, 1)            AS volume_millions\nFROM global_markets.stocks_daily_aggs\nWHERE ticker = 'AAPL'\n  AND date >= '2026-02-09'\n  AND date <= '2026-03-06'\nGROUP BY date\nHAVING sum(transactions) > 0\nORDER BY date","computed_at":"2026-08-12T15:36:14.144255+00:00","elapsed":0.002377514}