{"slug":"stock-order-types-explained","qid":"spread_clock","label":"AAPL average quoted spread by ET clock time, Sep 16 2026","post_title":"Stock Order Types Explained: The Core Four","post_url":"/blog/stock-order-types-explained#q-spread_clock","columns":["et_time","spread_cents","spread_bps"],"rows":[{"et_time":"04:00","spread_cents":23.37,"spread_bps":7.06},{"et_time":"04:15","spread_cents":32,"spread_bps":9.65},{"et_time":"04:30","spread_cents":29.01,"spread_bps":8.75},{"et_time":"04:45","spread_cents":31.33,"spread_bps":9.46},{"et_time":"05:00","spread_cents":29.69,"spread_bps":8.96},{"et_time":"05:15","spread_cents":34.66,"spread_bps":10.46},{"et_time":"05:30","spread_cents":26.88,"spread_bps":8.12},{"et_time":"05:45","spread_cents":19.75,"spread_bps":5.97},{"et_time":"06:00","spread_cents":24.17,"spread_bps":7.3},{"et_time":"06:15","spread_cents":25.31,"spread_bps":7.64},{"et_time":"06:30","spread_cents":28.1,"spread_bps":8.48},{"et_time":"06:45","spread_cents":24.05,"spread_bps":7.25},{"et_time":"07:00","spread_cents":25.01,"spread_bps":7.54},{"et_time":"07:15","spread_cents":13.33,"spread_bps":4.02},{"et_time":"07:30","spread_cents":22.87,"spread_bps":6.9},{"et_time":"07:45","spread_cents":19.84,"spread_bps":5.98},{"et_time":"08:00","spread_cents":16.4,"spread_bps":4.95},{"et_time":"08:15","spread_cents":17.78,"spread_bps":5.36},{"et_time":"08:30","spread_cents":12.25,"spread_bps":3.7},{"et_time":"08:45","spread_cents":8.99,"spread_bps":2.71},{"et_time":"09:00","spread_cents":25.67,"spread_bps":7.72},{"et_time":"09:15","spread_cents":26.55,"spread_bps":7.98},{"et_time":"09:30","spread_cents":7.18,"spread_bps":2.15},{"et_time":"09:45","spread_cents":5.77,"spread_bps":1.73},{"et_time":"10:00","spread_cents":5.07,"spread_bps":1.52},{"et_time":"10:15","spread_cents":4.35,"spread_bps":1.3},{"et_time":"10:30","spread_cents":4.42,"spread_bps":1.32},{"et_time":"10:45","spread_cents":4.06,"spread_bps":1.22},{"et_time":"11:00","spread_cents":3.93,"spread_bps":1.18},{"et_time":"11:15","spread_cents":3.24,"spread_bps":0.97},{"et_time":"11:30","spread_cents":3.89,"spread_bps":1.17},{"et_time":"11:45","spread_cents":3.99,"spread_bps":1.2},{"et_time":"12:00","spread_cents":3.51,"spread_bps":1.05},{"et_time":"12:15","spread_cents":3.08,"spread_bps":0.93},{"et_time":"12:30","spread_cents":2.8,"spread_bps":0.84},{"et_time":"12:45","spread_cents":2.98,"spread_bps":0.9},{"et_time":"13:00","spread_cents":2.99,"spread_bps":0.9},{"et_time":"13:15","spread_cents":2.59,"spread_bps":0.78},{"et_time":"13:30","spread_cents":2.21,"spread_bps":0.66},{"et_time":"13:45","spread_cents":2.79,"spread_bps":0.84},{"et_time":"14:00","spread_cents":4.81,"spread_bps":1.44},{"et_time":"14:15","spread_cents":2.99,"spread_bps":0.89},{"et_time":"14:30","spread_cents":4.75,"spread_bps":1.42},{"et_time":"14:45","spread_cents":4.53,"spread_bps":1.36},{"et_time":"15:00","spread_cents":5.02,"spread_bps":1.51},{"et_time":"15:15","spread_cents":4.42,"spread_bps":1.33},{"et_time":"15:30","spread_cents":3.71,"spread_bps":1.12},{"et_time":"15:45","spread_cents":2.51,"spread_bps":0.76},{"et_time":"16:00","spread_cents":12.24,"spread_bps":3.68},{"et_time":"16:15","spread_cents":10.31,"spread_bps":3.1},{"et_time":"16:30","spread_cents":17.23,"spread_bps":5.18},{"et_time":"16:45","spread_cents":22.42,"spread_bps":6.75},{"et_time":"17:00","spread_cents":15.26,"spread_bps":4.59},{"et_time":"17:15","spread_cents":11.54,"spread_bps":3.47},{"et_time":"17:30","spread_cents":5.85,"spread_bps":1.76},{"et_time":"17:45","spread_cents":12.09,"spread_bps":3.63},{"et_time":"18:00","spread_cents":32.82,"spread_bps":9.88},{"et_time":"18:15","spread_cents":12.52,"spread_bps":3.77},{"et_time":"18:30","spread_cents":26.12,"spread_bps":7.85},{"et_time":"18:45","spread_cents":11.88,"spread_bps":3.57},{"et_time":"19:00","spread_cents":14.94,"spread_bps":4.49},{"et_time":"19:15","spread_cents":22.44,"spread_bps":6.74},{"et_time":"19:30","spread_cents":20.16,"spread_bps":6.05},{"et_time":"19:45","spread_cents":26.93,"spread_bps":8.08}],"shape":"series","sql":"SELECT\n    formatDateTime(\n        toStartOfFifteenMinutes(toTimeZone(sip_timestamp, 'America/New_York')),\n        '%H:%i')                                          AS et_time,\n    round(avg(toFloat64(ask_price - bid_price)) * 100, 2)  AS spread_cents,\n    round(avg(toFloat64(ask_price - bid_price)\n              / toFloat64((ask_price + bid_price) / 2)) * 10000, 2) AS spread_bps\nFROM global_markets.cache_stocks_quotes\nWHERE ticker = 'AAPL'\n  AND sip_timestamp >= toDateTime('2026-09-16 08:00:00')\n  AND sip_timestamp <  toDateTime('2026-09-17 00:00:00')\n  AND bid_price > 0\n  AND ask_price > bid_price\nGROUP BY et_time\nORDER BY et_time","computed_at":"2026-10-08T15:17:40.299203+00:00","elapsed":0.003020089}