{"slug":"what-real-time-market-data-costs","qid":"symbol_universe","label":"US symbols that traded each month over the past year","post_title":"What Real-Time Market Data Actually Costs","post_url":"/blog/what-real-time-market-data-costs#q-symbol_universe","columns":["month","month_label","symbols_traded"],"rows":[{"month":"2025-08-01","month_label":"August 2025","symbols_traded":11766},{"month":"2025-09-01","month_label":"September 2025","symbols_traded":11886},{"month":"2025-10-01","month_label":"October 2025","symbols_traded":11999},{"month":"2025-11-01","month_label":"November 2025","symbols_traded":12073},{"month":"2025-12-01","month_label":"December 2025","symbols_traded":12221},{"month":"2026-01-01","month_label":"January 2026","symbols_traded":12282},{"month":"2026-02-01","month_label":"February 2026","symbols_traded":12400},{"month":"2026-03-01","month_label":"March 2026","symbols_traded":12494},{"month":"2026-04-01","month_label":"April 2026","symbols_traded":12572},{"month":"2026-05-01","month_label":"May 2026","symbols_traded":12760},{"month":"2026-06-01","month_label":"June 2026","symbols_traded":13022},{"month":"2026-07-01","month_label":"July 2026","symbols_traded":13160}],"shape":"series","sql":"SELECT\n    toString(toStartOfMonth(date))                             AS month,\n    concat(monthName(date), ' ', toString(toYear(date)))       AS month_label,\n    countDistinct(ticker)                                      AS symbols_traded\nFROM global_markets.stocks_daily_aggs\nWHERE date >= toStartOfMonth(today() - 365)\n  AND date <  toStartOfMonth(today())\n  AND volume > 0\nGROUP BY month, month_label\nORDER BY month","computed_at":"2026-08-22T04:35:52.698087+00:00","elapsed":1.424845445}