{"slug":"who-are-the-biggest-market-makers","qid":"options_series","label":"Listed option series carrying data on one date, by underlying","post_title":"Who Are the Biggest Market Makers?","post_url":"/blog/who-are-the-biggest-market-makers#q-options_series","columns":["symbol","series_listed","series_traded","pct_traded"],"rows":[{"symbol":"SPY","series_listed":6471,"series_traded":6471,"pct_traded":100},{"symbol":"NVDA","series_listed":2375,"series_traded":2375,"pct_traded":100},{"symbol":"MSFT","series_listed":2073,"series_traded":2073,"pct_traded":100},{"symbol":"AAPL","series_listed":1567,"series_traded":1567,"pct_traded":100},{"symbol":"KO","series_listed":459,"series_traded":459,"pct_traded":100}],"shape":"ranking","sql":"SELECT\n    underlying_symbol                             AS symbol,\n    count()                                       AS series_listed,\n    countIf(volume > 0)                           AS series_traded,\n    round(100 * countIf(volume > 0) / count(), 1) AS pct_traded\nFROM global_markets.options_greeks\nWHERE date = '2026-06-10'\n  AND underlying_symbol IN ('SPY', 'AAPL', 'NVDA', 'MSFT', 'KO')\nGROUP BY symbol\nORDER BY series_listed DESC","computed_at":"2026-08-11T15:51:11.324756+00:00","elapsed":0.001985729}