{"slug":"when-do-mutual-funds-trade","qid":"close_concentration","label":"How much of SPY's day trades at the very end: July 10, 2026 regular session","post_title":"When Do Mutual Funds Trade? NAV Pricing at 4 pm","post_url":"/blog/when-do-mutual-funds-trade#q-close_concentration","columns":["final_half_hour_pct","final_minute_pct","session_shares_m"],"rows":[{"final_half_hour_pct":22.5,"final_minute_pct":2.4,"session_shares_m":34.9}],"shape":"scalar","sql":"SELECT\n    round(100.0 * sumIf(toFloat64(volume), formatDateTime(toTimeZone(window_start, 'America/New_York'), '%H:%i') >= '15:30') / sum(toFloat64(volume)), 1) AS final_half_hour_pct,\n    round(100.0 * sumIf(toFloat64(volume), formatDateTime(toTimeZone(window_start, 'America/New_York'), '%H:%i') = '15:59') / sum(toFloat64(volume)), 1) AS final_minute_pct,\n    round(sum(toFloat64(volume)) / 1e6, 1) AS session_shares_m\nFROM global_markets.delayed_stocks_minute_aggs\nWHERE ticker = 'SPY'\n  AND window_start >= '2026-07-10 13:30:00' AND window_start < '2026-07-10 20:00:00'","computed_at":"2026-07-26T06:34:03.981944+00:00","elapsed":0.032455144}