{"slug":"what-is-a-stockbroker","qid":"session_clock","label":"session_clock","post_title":"what-is-a-stockbroker","post_url":"/blog/lang/pcm/what-is-a-stockbroker#q-session_clock","columns":["et_hour","shares_traded_millions"],"rows":[{"et_hour":"00:00","shares_traded_millions":0.2},{"et_hour":"01:00","shares_traded_millions":0.4},{"et_hour":"02:00","shares_traded_millions":7},{"et_hour":"03:00","shares_traded_millions":3.2},{"et_hour":"04:00","shares_traded_millions":4.8},{"et_hour":"05:00","shares_traded_millions":0.9},{"et_hour":"06:00","shares_traded_millions":1.5},{"et_hour":"07:00","shares_traded_millions":5.1},{"et_hour":"08:00","shares_traded_millions":8.8},{"et_hour":"09:00","shares_traded_millions":162.2},{"et_hour":"10:00","shares_traded_millions":157},{"et_hour":"11:00","shares_traded_millions":120.8},{"et_hour":"12:00","shares_traded_millions":88.6},{"et_hour":"13:00","shares_traded_millions":81.7},{"et_hour":"14:00","shares_traded_millions":92.5},{"et_hour":"15:00","shares_traded_millions":172.7},{"et_hour":"16:00","shares_traded_millions":40.7},{"et_hour":"17:00","shares_traded_millions":2.7},{"et_hour":"18:00","shares_traded_millions":1},{"et_hour":"19:00","shares_traded_millions":0.9},{"et_hour":"21:00","shares_traded_millions":0},{"et_hour":"22:00","shares_traded_millions":0},{"et_hour":"23:00","shares_traded_millions":0}],"shape":"ranking","sql":"SELECT\n    formatDateTime(toStartOfHour(toTimeZone(window_start, 'America/New_York')), '%H:00') AS et_hour,\n    round(toFloat64(sum(volume)) / 1e6, 1) AS shares_traded_millions\nFROM global_markets.delayed_stocks_minute_aggs\nWHERE ticker = 'AAPL'\n  AND window_start >= today() - 45\nGROUP BY et_hour\nORDER BY et_hour","computed_at":"2026-10-07T15:25:38.036779+00:00","elapsed":0.093309182}